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Boiling Point For Aluminum: Instant C, F, K Values And Uses

Time : 2025-09-04

molten aluminum approaching its boiling point in a controlled industrial environment

Boiling Point for Aluminum

Quick answer at standard pressure

The boiling point for aluminum at standard atmospheric pressure (1 atm) is approximately 2,467°C (4,473°F, 2,740 K), according to the NIST Chemistry WebBook and key thermodynamic handbooks. Literature values may vary by a few degrees depending on measurement methods and purity, but this is the widely accepted consensus among scientific sources.
  • Boiling point: Temperature where a liquid’s vapor pressure equals external pressure, causing rapid vaporization (liquid to gas).
  • Melting point: Temperature where a solid becomes a liquid (solid to liquid transition), such as the aluminum melting point of 660°C (1,220°F).
  • Vapor pressure: The pressure exerted by a vapor in equilibrium with its liquid or solid phase at a given temperature.
Aluminum Boiling Point: Unit Reference and Conversion
Unit Value Conversion Formula Example
°C (Celsius) 2,467 °F = (°C × 9/5) + 32 (2,467 × 9/5) + 32 = 4,473°F
°F (Fahrenheit) 4,473 °C = (°F - 32) × 5/9 (4,473 - 32) × 5/9 = 2,467°C
K (Kelvin) 2,740 K = °C + 273.15 2,467 + 273.15 = 2,740 K

What boiling point means for metals

When you see the term boiling point of aluminum, it refers to the temperature at which aluminum transitions from a liquid to a gas under normal atmospheric pressure. This is a fundamental property in metallurgy and thermal engineering, helping you understand why aluminum is rarely vaporized in everyday industrial processes. The boiling point is much higher than the aluminum melting point, which is the temperature where solid aluminum turns to liquid. For reference, the National Bureau of Standards lists the melting point at 660°C (1,220°F).

How boiling differs from melting and sublimation

Sounds complex? Here’s a quick breakdown:

  • Melting: Solid to liquid (e.g., what is the melting point of aluminum? 660°C).
  • Boiling: Liquid to gas (e.g., boiling point for aluminum is 2,467°C).
  • Sublimation: Direct solid-to-gas transition, which is rare for metals like aluminum under normal conditions.

Industrial processes, such as casting or welding, typically heat aluminum well below its boiling point. However, evaporation can still occur at high temperatures or under vacuum, which is why understanding both the aluminum melting point and boiling point is important in advanced manufacturing and research settings.

timeline of scientific methods used to measure aluminum's boiling point

How Aluminum’s Boiling Point Is Measured and Why Data Varies

How scientists measure metal boiling points

Ever wonder why the boiling point for aluminum is so consistent in textbooks, yet sometimes you spot small differences between sources? Measuring the aluminum boiling temperature isn’t as simple as watching water bubble. High temperatures, reactivity, and purity all play a role. Here’s how experts have tackled this challenge over time:

  1. Early high-temperature crucible experiments (early 20th century): Researchers would heat pure aluminum in specialized refractory containers and observe the onset of rapid vaporization. These methods often suffered from contamination and temperature measurement uncertainties.
  2. Optical pyrometry (mid-20th century): As technology advanced, scientists used non-contact optical sensors to estimate the temperature of glowing, molten aluminum as it boiled. This improved accuracy but still depended on surface conditions and emissivity assumptions.
  3. Knudsen effusion and vapor pressure measurements (mid-20th century onward): Instead of direct boiling, scientists measured the vapor pressure of aluminum at various high temperatures using effusion cells or vacuum systems. The boiling point of al was then extrapolated from the temperature at which the vapor pressure equals 1 atm.
  4. Modern extrapolation from vapor-pressure curves (late 20th century to present): Today, the most reliable values for aluminum's boiling point come from fitting experimental vapor pressure data to established equations (like Clausius–Clapeyron), then calculating the temperature at which vapor pressure is 1 atm. This approach is favored by major handbooks and databases because it minimizes direct measurement errors.

Why data varies across handbooks

Imagine you’re comparing two handbooks and notice the aluminum boiling temperature differs by a few degrees. Why? The answer often lies in:

  • Sample purity: Even trace impurities can shift boiling (and aluminum melting temp) points slightly.
  • Measurement technique: Direct observation, pyrometry, and vapor pressure extrapolation each have unique uncertainties.
  • Reference pressure: Some sources may report boiling points at slightly different pressures (e.g., 1 atm vs. 1 bar), so always check the stated conditions.
  • Temperature scale corrections: Older data may use outdated temperature scales (like IPTS-68 or IPTS-48), while modern references correct to ITS-90 for consistency (see the NIST Technical Note 2273 for details on scale corrections).

For instance, the boiling point of aluminum is listed as 2,467°C (4,473°F, 2,740 K) at 1 atm by NIST and the CRC Handbook, but you might find values differing by up to 10°C depending on the method and year of publication. This is normal and reflects both improvements in measurement and increased attention to sample conditions.

Trusted sources you can cite

Key Reference Compendia for Aluminum’s Boiling Point
Source Method Notes How to Cite
NIST Chemistry WebBook Vapor pressure fit, ITS-90 correction "Aluminum, NIST Chemistry WebBook, https://webbook.nist.gov/cgi/inchi?ID=C7429905&Mask=4"
CRC Handbook of Chemistry and Physics Consensus value from peer-reviewed literature "CRC Handbook of Chemistry and Physics, 101st Edition, Taylor and Francis, 2020"
NIST Technical Notes Critical evaluation, temperature scale corrections "Narayana N, Burgess DR, Jr. (2024) Melting Points and Boiling Points for the Alkali Metals. NIST TN 2273"
Always specify the reference pressure (usually 1 atm) and temperature scale (preferably ITS-90) when quoting a boiling or aluminum melting temp from any source.

Typical uncertainties for aluminum's boiling point are ±5–10°C, depending on the method. For the what is the melting temp of aluminum question, the consensus is 660°C (1,220°F), but even this can shift slightly with impurities or measurement scale. If you’re ever unsure, check the footnotes or appendix of the reference for details on sample purity, pressure, and temperature scale.

Next, let’s look at the thermodynamic principles that explain why boiling points matter in engineering—and how you can use this data for calculations.

Thermodynamic Properties and What They Mean for Aluminum’s Boiling Point

Key thermodynamic properties to know

When you want to dig deeper into what is the boiling point of aluminum and its practical implications, you’ll notice that it’s not just about a single temperature. The boiling point is linked to a set of thermodynamic properties that govern how aluminum behaves at high heat. These are crucial for anyone running engineering calculations, designing thermal processes, or simply aiming to understand why aluminum is so widely used in high-temperature applications.

Core Thermodynamic Properties of Aluminum (at 1 atm)
Property Definition Reference Notes
Boiling Point 2,467°C (4,473°F, 2,740 K) Where vapor pressure equals 1 atm
Standard Enthalpy of Vaporization (ΔHvap) ~293 kJ/mol Energy needed to vaporize 1 mol at boiling point; value may vary by source
Standard Entropy of Vaporization (ΔSvap) ~107 J/(mol·K) Change in entropy from liquid to vapor at boiling point
Heat Capacity (Cp) Varies with temperature; Cp(l) ≈ 31 J/(mol·K) near melt See NIST polynomial fits for temperature dependence

These values help engineers and scientists predict how aluminum will respond under thermal stress, and they’re essential for modeling evaporation, casting, or any process that heats the metal close to its limits.

Using Clausius–Clapeyron safely

Imagine you need to estimate aluminum boiling point celsius at a pressure different from 1 atm, or you want to know how quickly aluminum will evaporate in a vacuum. This is where the Clausius–Clapeyron equation comes into play. Sounds complex? Here’s how it works in practice:

  • The equation relates the change in vapor pressure with temperature to the enthalpy of vaporization.
  • In its integrated form (assuming ΔHvap is constant):
    ln(P2/P1) = -(ΔHvap/R) * (1/T2 - 1/T1)
    where P1 and P2 are vapor pressures at temperatures T1 and T2 (in Kelvin), ΔHvap is the enthalpy of vaporization, and R is the gas constant.
  • This lets you estimate the temperature at which aluminum will boil at a different pressure, or predict vapor pressure at a given temperature.

For a full derivation and example, see the Clausius–Clapeyron Equation resource.

Data provenance and uncertainty

But how reliable are these numbers? Whether you’re quoting the boiling point aluminium or the melting temperature of aluminium, it’s important to reference your data source and understand the potential for uncertainty. For example, the standard boiling point of 2,467°C is widely cited, but actual experimental values can shift by ±5–10°C depending on sample purity, surface oxide layers, and measurement technique. Similarly, the melting temperature of aluminum (660°C) can vary slightly if the sample contains impurities or has different surface conditions.

Always cite your source and note the expected uncertainty—especially when quoting critical values like the boiling point or enthalpy of vaporization. For authoritative data, consult resources such as the NIST Chemistry WebBook or peer-reviewed thermodynamic tables.
  • Sample purity: Even trace elements can shift boiling and melting points.
  • Oxide effects: Surface oxides can impact how aluminum behaves at high temperatures, especially in open air.
  • Methodology: Direct measurements, vapor pressure extrapolation, and calorimetry each have unique sources of error.

In summary, understanding the thermodynamic properties behind the boiling point of aluminum allows you to make better engineering decisions and communicate more accurately with colleagues. Next, you’ll learn how to use these principles to estimate boiling and evaporation behavior under different pressures, which is vital for advanced manufacturing and vacuum processes.

Vapor Pressure and Reduced Pressure Estimation for Aluminum

Vapor pressure versus temperature: Understanding the evaporation point of aluminum

Ever wondered why aluminum rarely boils in typical manufacturing, but can still lose material through evaporation at high temperatures? The answer lies in how vapor pressure rises with temperature. As you heat aluminum, its vapor pressure increases exponentially, and when it equals the surrounding pressure, you reach the boiling point for aluminium. Even below this threshold, significant evaporation can occur—especially in vacuum or high-temperature environments.

Aluminum Vapor Pressure at Key Temperatures
Temperature (°C) Temperature (K) Vapor Pressure (torr)
660 (melting) 933 ~0.001
889 1162 0.01
996 1269 0.1
1123 1396 1.0
1279 1552 10.0
1487 1760 100.0
2327 2600 760.0 (1 atm)

Notice how the vapor pressure jumps from nearly zero at the aluminum melting point to 1 atm (the boiling point in c, 2,327°C in this chart) as temperature increases. The actual consensus boiling point for aluminum is about 2,467°C, but vapor pressure data helps engineers estimate evaporation risk well below that temperature—critical for vacuum and high-heat operations.

Estimating the boiling point at reduced pressure

Imagine you’re designing a process in a vacuum chamber. You’ll need to know not just the boiling point in c or boiling point in f at 1 atm, but also how the boiling temperature drops as pressure decreases. This is where the Clausius–Clapeyron equation comes in handy, allowing you to estimate the new boiling point for aluminum at any pressure, provided you have the right reference data.

  1. Collect your reference values: For aluminum, use a reference boiling point (T1) of 2,467°C (2,740 K) at 1 atm (P1 = 760 torr).
  2. Pick your target pressure (P2): For example, 10 torr (a common vacuum value).
  3. Use the Clausius–Clapeyron equation:
    ln(P2/P1) = -ΔHvap/R × (1/T2 - 1/T1)
    Where ΔHvap ≈ 293,000 J/mol and R = 8.314 J/(mol·K).
  4. Insert your values: Rearranging the equation, you can solve for T2 (the new boiling temperature at P2).
  5. Calculate and convert units as needed: Remember to use Kelvin for all temperatures. If you want the answer in Celsius or Fahrenheit, convert at the end.

Worked example: Boiling point of aluminum at 10 torr

  • Reference: T1 = 2,740 K (2,467°C), P1 = 760 torr
  • Target: P2 = 10 torr
  • ΔHvap ≈ 293,000 J/mol, R = 8.314 J/(mol·K)

Plug into the equation:

ln(10/760) = -293,000/8.314 × (1/T2 - 1/2,740)

Solve for T2 (details omitted for brevity): you’ll find the boiling temperature at 10 torr is much lower than at 1 atm—around 1,550°C. This illustrates why the evaporation point of aluminum becomes a concern in vacuum processing, even if you’re well below the standard boiling point.

Keep in mind: These calculations assume pure aluminum and a constant enthalpy of vaporization. Alloying elements or surface oxides can shift the boiling and evaporation behavior, so always check material specs and use experimental data when available.

Understanding how vapor pressure changes with temperature and pressure helps you control material loss, optimize vacuum processes, and avoid costly surprises. Next, we’ll explore how these principles apply in real-world manufacturing, where process controls and safety are critical for working with aluminum at high temperatures.

key aluminum manufacturing processes where temperature and evaporation control are critical

Manufacturing Realities and Process Controls

When evaporation matters in manufacturing

When you’re working with aluminum in casting, welding, or vacuum operations, you might assume the aluminum melting and boiling point are so far apart that vaporization is never a concern. Sounds simple, right? But in real-world manufacturing, things get more nuanced. While the aluminum boiling point (2,467°C) is rarely reached, localized hotspots, arc welding, and vacuum environments can push parts of your process closer to the evaporation threshold. Even below the boiling point, aluminum can evaporate, especially under low-pressure or high-temperature conditions, leading to material loss, composition changes, and fume formation.

Evaporation Risk and Controls by Process
Process Relative Evaporation Risk Key Controls & Mitigations
Die Casting Low–Moderate Precise temperature control, inert gas cover, rapid solidification
Investment Casting Moderate Shielding gas, controlled ramp rates, alloy selection
TIG/MIG Welding Moderate–High (localized) Shielding gas (Ar), avoid excessive heat input, fume extraction
Vacuum Brazing High Optimize chamber pressure, minimize dwell time, use getters
PVD Sputtering/Evaporation Very High (by design) Careful power management, substrate cooling, chamber pressure control

Process controls that minimize vapor loss

Imagine you’re welding or melting aluminum for a critical component. Even though you’re far from the aluminum boiling point, you’ll notice that evaporation can still occur—especially in vacuum or open-arc processes. Here are best practices to reduce vapor loss and maintain material integrity:

  • Shielding gas selection: Use high-purity argon or argon-helium mixes to protect the molten aluminum from oxidation and suppress evaporation during welding and casting.
  • Temperature ramp control: Avoid rapid, uncontrolled heating. Gradually ramping up and down minimizes localized overheating and reduces the risk of vaporization, even for thin sections like aluminum foil (which has a melting point of aluminum foil near 660°C).
  • Pressure management: In vacuum operations, increasing system pressure with inert gas (e.g., to 2,000 Pa) can dramatically reduce evaporation losses, as shown in alloy preparation studies [Source].
  • Oxide management: Remove surface oxides before high-temp processing to ensure uniform melting and reduce fume generation.
  • Minimize dwell time: Limit the time aluminum spends at elevated temperatures, especially in vacuum or near-vacuum, to avoid excessive vapor loss.

Safety and fume considerations

Ever wondered, does aluminum burn or create hazardous fumes? While aluminum itself is not highly flammable in bulk, fine powders and fumes can be combustible and, under certain conditions, explosive. Welding, especially TIG and MIG, produces aluminum oxide fumes and other particulates that pose both health and fire risks. The aluminium foil melting point is the same as bulk aluminum (660°C), so even thin materials can generate fumes if overheated or improperly shielded.

  • Always use local exhaust ventilation or fume extraction systems when welding or melting aluminum to capture hazardous particles and gases.
  • Wear appropriate personal protective equipment (PPE), including respirators rated for metal fumes, safety glasses, and heat-resistant gloves.
  • Test and monitor air quality regularly—especially in confined spaces or high-production environments—to ensure compliance with exposure limits and minimize health risks.
  • For vacuum and powder operations, assess the combustibility of aluminum dust and implement explosion mitigation measures as needed.
Safety reminder: Proper ventilation, fume extraction, and PPE are essential when working with aluminum at high temperatures. Even if you’re not near the boiling point, fumes and dust can be hazardous—never skip these controls.

In summary, while the aluminum melting point and boiling point are far apart, process conditions like vacuum, arc intensity, and alloy composition can bring evaporation and fume risks into play much sooner than you might expect. By understanding the aluminium boiling point and applying robust process controls, you can optimize quality, safety, and material yield across all high-temperature aluminum operations. In the next section, we’ll compare how pure aluminum and common alloys behave under these conditions—and why it matters for your process window.

How Aluminum Alloys Compare

Pure Aluminum Versus Common Alloys

Ever wondered why your casting or welding results change when you switch from pure aluminum to an alloy? It’s not just about strength or price—thermal behavior shifts, too. While pure aluminum has a well-defined melting point of 660°C (1,220°F) and a boiling point of 2,467°C (4,473°F), aluminum alloys melt over a range of temperatures depending on their composition. This is crucial for anyone working with the aluminium melting and boiling point in real-world manufacturing.

Melting Ranges and Alloying Elements of Common Aluminum Grades
Alloy/Series Typical Melting Range (°C) Main Alloying Elements Volatility/Evaporation Concerns
Pure Aluminum (1xxx) 660 None (≥99% Al) Lowest; minimal fume risk, but surface oxidation possible
Aluminum Alloys (General) 463–671 Varies: Si, Mg, Cu, Zn, Fe, etc. Alloying elements (esp. Mg, Zn) can vaporize at lower temps; more fume/volatility risk
6xxx Series (e.g., 6061) ~582–652 Mg, Si Mg can increase vaporization/fume risk in welding
7xxx Series (e.g., 7075) ~477–635 Zn, Mg, Cu Zn is volatile; fume generation starts well below Al boiling point
Aluminum Bronze 1027–1038 Cu, Fe, Ni Higher melting; less volatility, but copper fume possible at high temp

Elements That Raise or Lower Thermal Thresholds

Why do these melting and boiling ranges matter? The answer lies in the alloying elements. Here’s how some of the most common elements affect the melting and boiling point of aluminum and its process behavior:

  • Silicon (Si): Lowers melting point, improves castability, and can refine grain structure. High Si (like in Al-Si casting alloys) means a lower start to the melting range and better fluidity for casting.
  • Magnesium (Mg): Raises strength, but is more volatile—evaporates or fumes at lower temperatures than aluminum itself. Mg-rich alloys (5xxx, 6xxx, 7xxx) require careful temperature control during welding to minimize loss and fume formation.
  • Zinc (Zn): Present in high-strength 7xxx series, Zn boils at 907°C, so it can vaporize and create fumes well before aluminum reaches its boiling point. This affects fume composition and can change alloy properties if overheated.
  • Copper (Cu): Increases strength, but can also segregate or vaporize at high temperatures, especially in 2xxx series alloys.
  • Titanium (Ti) and Strontium (Sr): Used in small amounts to refine grain structure and improve high-temperature performance, but don’t significantly change the melting and boiling point of aluminium as major elements do.

It’s also important to note the role of the aluminum oxide melting point. Surface oxides (Al2O3) form quickly at high temperatures and can affect melting and flow, sometimes requiring special fluxes or cleaning steps before joining or casting.

Implications for Process Windows

Imagine you’re setting up a casting or welding process—how do you choose the right temperature? Since aluminum melts at what temperature? The answer depends on your alloy:

  • Pure aluminum: Set melting close to 660°C, with minimal risk of fume or volatility except for surface oxides.
  • Common alloys (e.g., 6xxx, 7xxx): Use the lower end of the melting range to avoid excessive vaporization of Mg or Zn. Pouring temperatures for castings are often 50–100°C above the melting range to ensure good flow, but overheating should be avoided to reduce dross and fume risk.
  • High-volatility alloys (Zn-rich, Mg-rich): Apply extra shielding and minimize dwell time at high temp—Zn and Mg can evaporate long before you ever approach the boiling point for aluminum, leading to composition shifts and increased fume generation.
  • Always consult alloy datasheets: Each alloy family has recommended melting, pouring, and working temperature windows—these are your best guides for process control and quality.
  • Preheat molds and use controlled ramp rates to avoid thermal shock and excessive oxidation.
  • Use high-purity shielding gases (argon or argon-helium) to minimize oxidation and fume formation.
  • Monitor furnace and weld pool temperatures closely—infrared or thermocouple probes can help stay within safe limits.
  • Remove surface oxides before melting or joining to prevent inclusions and flow problems.
Key takeaway: The aluminium melting and boiling point for alloys is a range, not a single number. Alloying elements like Mg and Zn can lead to significant evaporation and fume risks at temperatures well below aluminum’s standard boiling point. Always tailor your process window to the specific alloy, not just pure aluminum values.

Next up, we’ll provide quick-reference conversions and tables to help you set and verify temperatures for any aluminum process—making your workflow smoother and more reliable.

quick reference tables for converting aluminum's boiling and melting points between units

Conversions and Quick Reference Tables for Aluminum’s Boiling Point

Temperature conversions made simple

Ever find yourself stuck converting between Celsius, Fahrenheit, and Kelvin when working with aluminum? Sounds complex, but it’s easy when you have the right formulas and a quick reference table. Whether you’re checking the boiling point in celsius for a process spec or comparing the aluminum melting point celsius to a furnace setpoint, these conversions keep your calculations fast and error-free.

Key Reference Temperatures for Aluminum
Description °C °F K
Ambient (room temperature) 25 77 298.15
Aluminum melting point 660 1,220 933.15
Aluminum boiling point (1 atm) 2,467 4,473 2,740

Pressure units you will encounter

Imagine you’re reviewing a vacuum process spec or translating a handbook value. You’ll notice pressure units can switch between atm, Pa, Torr, and bar. Here’s a quick conversion table to keep handy—especially before running Clausius–Clapeyron calculations for boiling point shifts.

Common Pressure Unit Conversions
Unit To atm To Pa To Torr To bar
1 atm 1 101,325 760 1.01325
1 Torr 0.00131579 133.3224 1 0.00133322
1 Pa 9.86923×10-6 1 0.00750062 1×10-5
1 bar 0.986923 100,000 750.062 1

Reusable calculation templates

Temperature Conversion Formulas and Example
  • °F = (°C × 9/5) + 32
  • °C = (°F − 32) × 5/9
  • K = °C + 273.15
  • °C = K − 273.15
Example: What is the boiling point degrees celsius if you know the fahrenheit boiling temperature is 4,473°F?
(4,473 − 32) × 5/9 = 2,467°C
  • Always convert temperature to Kelvin before plugging into thermodynamic equations (like Clausius–Clapeyron).
  • Match pressure units—if your vapor pressure is given in Torr, convert to atm or Pa as needed for your calculation.
  • Double-check if your reference is using the boiling point in celsius, Kelvin, or Fahrenheit—especially when comparing data from different sources.

Here’s a quick checklist for conversions before running calculations:

  • Identify all temperatures in your data set—mark whether each is in °C, °F, or K.
  • Use the formulas above to convert to the required unit for your calculation.
  • Check pressure units and convert using the table as needed.
  • When in doubt, consult authoritative sources like NIST for the correct values and units.

With these tables and formulas, you’ll streamline your workflow—whether you’re verifying the kelvin boiling point for a design spec, or translating the boiling point degrees celsius for a technical report. Next, we’ll connect these conversion skills to sourcing and designing aluminum extrusions for heat-critical applications.

engineers reviewing aluminum extrusion designs for thermal reliability and quality assurance

Design and Sourcing Considerations for Heat-Resistant Aluminum Extrusions

Designing extrusions with thermal margins

When you’re engineering aluminum extrusions for automotive or high-performance applications, have you ever wondered: what is the boiling point for aluminum, and how close will your process get to it? While most extrusion, welding, and forming operations stay far below the actual boiling point, understanding these thermal limits—alongside melting and evaporation thresholds—can help you prevent defects like porosity, warping, or surface loss.

Imagine you’re specifying a critical chassis or suspension part. It’s not just about strength or appearance; you need to ensure your supplier can help you navigate the fine line between optimal process temperature and the risk of unwanted evaporation or material degradation. This is especially true when your design pushes the boundaries of lightweighting, thin walls, or complex shapes.

Supplier considerations for heat-critical parts

So, how do you choose the right supplier for aluminum extrusion parts when thermal performance is non-negotiable? Sounds complex, but breaking it down, you’ll want a partner who offers:

  • Engineering support: Can they help you optimize your design for manufacturability and thermal resilience?
  • Quality assurance (QA) depth: Do they monitor every stage, from billet selection to final inspection, to catch issues before they affect your product?
  • Material traceability: Will you get full documentation showing alloy composition and batch history?
  • Experience with heat-affected processes: Have they solved problems like distortion, fume formation, or surface loss in real-world projects?

Choosing a supplier with deep expertise in these areas not only protects your product’s integrity but also streamlines troubleshooting and future upgrades. For instance, detailed thermal process documentation can help you pinpoint causes of unexpected warping or porosity, saving time and cost during validation and production ramp-up.

Comparing Aluminum Extrusion Sourcing Options for Heat-Critical Applications
Supplier Engineering Support QA Depth Material Traceability Heat-Process Expertise
Shaoyi Metal Parts Supplier DFM consultation, custom alloy selection, advanced simulation Eight-step process, IATF 16949 certified, full SPC/CPK monitoring Comprehensive batch records, alloy certificates Extensive automotive experience, expert in minimizing thermal distortion and evaporation
General Industrial Supplier Standard profiles, limited design input Routine checks, ISO 9001 level QA Basic lot traceability General handling, less focus on thermal extremes
Low-Cost Overseas Vendor Minimal engineering support Spot checks only Often limited or unavailable Little experience with high-spec or heat-affected applications

Where to source precision extrusions for demanding environments

When your project requires aluminum extrusion parts that must withstand demanding thermal cycles—think under-hood automotive, battery enclosures, or motorsport frames—it pays to select a supplier who understands both the theoretical and practical implications of the boiling point for aluminum. This means expertise not just in extrusion, but also in post-processing, surface treatments, and quality control for heat-affected zones.

  • Request detailed process documentation, including temperature profiles for extrusion, heat treatment, and any secondary operations.
  • Ask for evidence of past projects with similar thermal requirements, ideally with data on distortion, porosity, and surface finish outcomes.
  • Prioritize suppliers who offer in-house or closely partnered finishing services—anodizing, powder coating, or machining—so you maintain control over thermal exposure throughout the supply chain.
  • Don’t hesitate to review their engineering team’s credentials and ask about simulation or testing capabilities for thermal stress.

For engineers and buyers seeking a vetted partner for high-spec projects, Shaoyi Metal Parts Supplier stands out with its integrated engineering support, robust QA, and proven track record in automotive-grade, heat-critical aluminum extrusion parts. Their expertise ensures your components are not just strong, but also thermally reliable—helping you avoid costly surprises during welding, post-processing, or field use.

Key takeaway: The right supplier makes all the difference when designing for extreme temperatures. By choosing a partner who understands what is the boiling point for aluminum—and how to engineer below it—you’ll safeguard your project against hidden risks and ensure long-term reliability.

Up next, we’ll wrap up with actionable takeaways and resources for verifying data, sourcing parts, and building your own robust process window.

Summary and Next Steps

Key takeaways you can act on

  • The verified boiling point of aluminum at 1 atm is 2,467°C (4,473°F, 2,740 K)—a value recognized by NIST and leading handbooks. This is the reference you’ll want for any technical spec, but always check the pressure and temperature scale used in your source.
  • Data provenance matters: When quoting the melting point and boiling point of aluminum, always cite your source. Small variations can arise from differences in measurement method, sample purity, or temperature scale. For critical work, cross-check with authoritative references like the NIST Chemistry WebBook or CRC Handbook.
  • You can estimate boiling under different pressures—using Clausius–Clapeyron and vapor pressure tables, you can calculate how the boiling point of aluminium shifts in vacuum or high-pressure environments. This is essential for advanced manufacturing, thermal design, and process safety.

Where to verify data and source parts

  • For reliable numbers on what is aluminum's boiling point, melting point, or vaporization properties, consult trusted databases like NIST or the CRC Handbook. They offer peer-reviewed, up-to-date values suitable for engineering, research, or specification writing.
  • When sourcing aluminum extrusion parts for heat-critical applications, prioritize suppliers who understand these thermal properties and can provide detailed process documentation. This ensures your components are engineered for both performance and reliability.
  • For projects requiring custom extrusions, welding, or heat treatment—especially where evaporation risk is a concern—review the expertise of providers like Shaoyi Metal Parts Supplier. Their comprehensive engineering support and QA depth help you avoid costly surprises related to thermal margins.

Build your process window with confidence

  • Start by verifying the boiling point and melting point for your specific grade or alloy. Remember, what is the melting temperature for aluminum is typically 660°C (1,220°F), but alloys may vary.
  • Use vapor pressure data and Clausius–Clapeyron calculations to model evaporation or boiling risks in your process window—especially for vacuum operations or high-heat post-processing.
  • Document all reference conditions (pressure, temperature scale, alloy composition) whenever you specify or communicate these values.
  • Engage with suppliers who can provide full traceability, process documentation, and engineering guidance. This is vital for applications where what temperature will aluminum melt or vaporize affects quality or safety.

By following these steps—and consulting resources like NIST and reputable extrusion partners—you’ll have the confidence to build robust, reliable process windows for any aluminum application. Whether you’re specifying the boiling point of aluminium for a technical report or selecting extrusion parts for a demanding automotive project, accurate data and expert support make all the difference.

Frequently Asked Questions about Aluminum's Boiling Point

1. What is the boiling point for aluminum at standard pressure?

At standard atmospheric pressure (1 atm), aluminum's boiling point is about 2,467°C (4,473°F, 2,740 K), as recognized by NIST and top scientific handbooks. Always confirm the reference pressure and temperature scale when using this value in technical documents.

2. How does the boiling point of aluminum compare to its melting point?

Aluminum's melting point is 660°C (1,220°F), much lower than its boiling point. This large gap means aluminum is typically melted, not vaporized, in industrial processes. Melting occurs well before any risk of boiling or significant evaporation arises.

3. Why do boiling point values for aluminum sometimes differ between sources?

Differences in reported boiling points are due to factors like sample purity, measurement method, and reference pressure. Modern references, such as NIST and the CRC Handbook, use standardized techniques and temperature scales, but minor variations of up to 10°C are normal.

4. Can aluminum evaporate or lose material below its boiling point?

Yes, aluminum can evaporate at high temperatures, especially under vacuum or in localized hotspots during welding. Even below the boiling point, vapor pressure increases with temperature, leading to material loss or fume formation in certain manufacturing processes.

5. What should I consider when sourcing aluminum extrusion parts for heat-critical applications?

Choose suppliers with expertise in thermal process control, such as Shaoyi Metal Parts Supplier. Look for detailed process documentation, engineering support, and robust QA to ensure parts perform reliably under thermal stress. This reduces risks of porosity, warping, or surface loss.

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After years of development, the company's welding technology mainly includes gas shielded welding, arc welding, laser welding and kinds of welding technologies, combined with automatic assemble lines, through Ultrasonic Testing (UT), Radiographic Testing(RT), Magnetic particle Testing(MT) Penetrant Testing(PT), Eddy Current Testing(ET), Pull-off force of testing, to achieve high capacity, high quality and safer welding assemblies, we could supply CAE, MOLDING and 24-hour quick quotation to provide customers with better service for chassis stamping parts and machining parts.

  • Various automotive accessories
  • Over 12 years of experience in mechanical processing
  • Achieve strict precision machining and tolerances
  • Consistency between quality and process
  • Can achieve customized services
  • On time delivery

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Leave your information or upload your drawings, and we will assist you with technical analysis within 12 hours. You can also contact us by email directly: [email protected]
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Get a Free Quote

Leave your information or upload your drawings, and we will assist you with technical analysis within 12 hours. You can also contact us by email directly: [email protected]
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Name
Company Name
Message
0/1000
Attachment
Please upload at least an attachment
Up to 3 files,more 30mb,suppor jpg、jpeg、png、pdf、doc、docx、xls、xlsx、csv、txt