Precision Aluminum Extrusion Profiles | Specifications & Standards

Product Specifications

Technical details and manufacturing context for Precision Aluminum Extrusion Profile

Definition

Precision aluminum extrusion profiles are semi-finished structural components produced by forcing heated aluminum alloy through a shaped die. These profiles serve as foundational building blocks across multiple industries due to their excellent strength-to-weight ratio, corrosion resistance, and dimensional accuracy. They enable modular construction systems while reducing assembly time and material waste. Common applications include framing systems, heat sinks, and structural supports where consistent cross-sectional geometry is critical. The profiles are available in aluminum alloys 6063-T5 and 6061-T6, with temper states T5 to T6. Key parameters include cross-sectional area ranging from 100 to 10000 cm², minimum wall thickness from 0.8 to 3.0 mm, surface roughness from 0.4 to 1.6 Ra μm, tensile strength from 180 to 310 MPa, and thermal conductivity from 150 to 230 W/m·K. Lengths can be custom cut from 1000 to 6000 mm, with straightness tolerance from 0.5 to 1.5 mm/m, twist tolerance from 0.5 to 2.0 °/m, cutting tolerance from ±0.5 to ±1.0 mm, and dimensional tolerance from ±0.05 to ±0.15 mm. Operating temperature range is -40 to 85 °C, and weight per meter ranges from 0.3 to 10.0 kg/m. These profiles are manufactured to standards such as ASTM B221, EN 755-1, EN 755-2, ISO 4287, ASTM B557, and ASTM E1225. Always verify model-specific values and standards with the legal manufacturer or supplier before procurement.

Working Principle

Aluminum billets are heated and forced through a die under high pressure to create continuous lengths with specific cross-sectional shapes. The process begins with heating the billet to a malleable temperature, then applying hydraulic pressure to push the metal through a steel die with the desired profile opening. The extruded profile emerges in the shape of the die opening and is then cooled, stretched to straighten, and cut to length. The die design determines the cross-sectional geometry, allowing for complex shapes that are difficult to achieve with other manufacturing methods. The process enables high dimensional accuracy and repeatability, making it suitable for precision applications.

Common Materials

Aluminum Alloy 6063-T5, Aluminum Alloy 6061-T6

Technical Parameters

Parameter	Typical range	Notes & selection driver
Alloy TemperRequired	T5–T6 designation	Material grade and heat treatment stateASTM B221
Cross-Sectional AreaRequired	100–10000 cm²	Area of profile cross-sectionEN 755-1
Minimum Wall ThicknessRequired	0.8–3.0 mm	Thinnest section of profile wallsEN 755-2
Surface Roughness	0.4–1.6 Ra μm	Average surface texture after extrusionISO 4287
Tensile StrengthRequired	180–310 MPa	Maximum stress before failureASTM B557
Thermal Conductivity	150–230 W/m·K	Heat transfer capability of materialASTM E1225
Length	1000–6000 mm	Custom lengths up to 12 m possibleEN 755-1
Straightness Tolerance	0.5–1.5 mm/m	Tighter for precision applicationsEN 755-1
Twist Tolerance	0.5–2.0 °/m	Critical for long structural profilesEN 755-1
Cutting Tolerance	±0.5–±1.0 mm	Tighter for assembly-ready partsEN 755-1
Dimensional Tolerance	±0.05–±0.15 mm	Precision profiles achieve ±0.05 mmEN 755-1
Operating Temperature	-40–85 °C	Mechanical properties degrade beyond this range
Weight per Meter	0.3–10.0 kg/m	Depends on cross-section and alloy density

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Anodized Coating Optional Part
Provides corrosion resistance and surface hardness

Material: Aluminum Oxide Layer
Thermal Break Insert Optional Part
Reduces thermal conductivity in insulated profiles

Material: Polyamide 66
Aluminum Alloy Profile Body
The extruded aluminum section itself, in the cross-section the die defines.

Material: Extruded aluminum alloy (e.g. 6063/6061)

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Precision Aluminum Extrusion Profile.

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Frequently Asked Questions

What aluminum alloys are available for these profiles?

The directory lists aluminum alloys 6063-T5 and 6061-T6. The temper states range from T5 to T6. Always confirm the specific alloy and temper with the supplier for your application.

What are the dimensional tolerances for precision profiles?

Dimensional tolerance ranges from ±0.05 to ±0.15 mm, depending on the profile complexity and precision requirements. Straightness tolerance is 0.5-1.5 mm/m, and twist tolerance is 0.5-2.0 °/m. Verify these values with the manufacturer.

Can these profiles be used for heat sinks?

Yes, the thermal conductivity ranges from 150 to 230 W/m·K, making them suitable for heat dissipation applications. However, the actual performance depends on the profile design and alloy.

What standards apply to these profiles?

Relevant standards include ASTM B221 for alloy and temper, EN 755-1 for dimensional tolerances, EN 755-2 for wall thickness, ISO 4287 for surface roughness, ASTM B557 for tensile testing, and ASTM E1225 for thermal conductivity. Compliance should be verified with the supplier.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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pressure:	Up to 10 MPa (100 bar) for standard profiles, up to 20 MPa (200 bar) for reinforced designs
flow rate:	Dependent on cross-sectional area and surface finish; typically 0.1-5 m/s for fluid applications
temperature:	-50°C to 150°C (continuous), up to 200°C (short-term)
slurry concentration:	Up to 30% solids by weight for abrasive slurries, depending on alloy hardness and surface treatment

Precision Aluminum Extrusion Profile

Product Specifications

Industry Taxonomies & Aliases

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

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