Aluminum & Aluminum Alloys•Wrought Aluminum Alloys•

VERIFIED(CDA Source-Verified)

6063 Aluminum

Primary Designation:AA 6063

Aliases:

AA 6063Architectural Aluminum

Mat Grades internal verification confirms source-backed fidelity and data integrity. It does not constitute external certification, ASTM/CDA endorsement, or guaranteed material conformity for procurement.

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Data Completeness & Record Integrity:11 composition elements and 35 contextual property values cataloged.

Omitted fields represent unverified parameters. "Missing is better than invented."

Key Engineering Properties

Representative source rows, qualified by their reported conditions. Inspect the tables below for all values, limits, and source notes.

Density

2.69 g/cm³TYPICAL · temperature not stated

Electrical Conductivity

58 % IACSTYPICAL · O Temper · temperature not stated

Thermal Conductivity

218 W/(m·K)TYPICAL · O Temper · temperature not stated

Melting Range (Solidus / Liquidus)

616 – 654 °C616 – 654 °F

Solidus: 616°C | Liquidus: 654°C

Composition Excerpt

Si 0.2–0.6 wt%Silicon (range)

Standard Elemental Basis: RANGE

Engineering Summary

6063 is an architectural extrusion alloy (Al-Mg-Si) engineered for high extrudability, intricate cross sections, fine surface finish, and exceptional clear or color anodizing response.

Recognized Aliases

Source-backed commercial trade name and short designations cataloged in canonical data.

AA 6063Architectural Aluminum

Standard Designations & Applicable Specifications

Semantically classified designations distinguishing primary standard identifiers, commercial trade names, and applicable specification references.

Direct Standard DesignationsDIRECT DESIGNATION

3 Primary Identifiers

System	Identifier	Standard System Name	Classification Notes & Provenance
AAPRIMARY	6063	Aluminum Association	—Ref: Kaiser Aluminum Technical Engineering Datasheet
UNS	A96063	Unified Numbering System	—Ref: Kaiser Aluminum Technical Engineering Datasheet
ISO	AlMg0.7Si	International Organization for Standardization	—Ref: Kaiser Aluminum Technical Engineering Datasheet

Recognized Commercial Aliases & Trade NamesCOMMON ALIAS

2 Listed

Recognized Name / Alias	Classification	Technical Usage & Context
AA 6063	Commercial Alias	Colloquial or commercial industry synonym
Architectural Aluminum	Colloquial Alias	Colloquial or commercial industry synonym

Applicable Specifications & Product Form ReferencesSPECIFICATION REFERENCE

2 Applicable Standards

Standards Body	Specification Code	Specification Title / Scope	Relationship Type
ASTM International	ASTM B221	Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and TubesPRODUCT_SPECIFICATION · Product form: Extrusions	Specification Reference
ASTM International	ASTM B210	Standard Specification for Aluminum and Aluminum-Alloy Drawn Seamless TubesPRODUCT_SPECIFICATION · Product form: Drawn Tube	Specification Reference

Engineering Notice: Applicable specifications establish manufacturing requirements, dimensional tolerances, and test criteria for specific product forms (e.g. bus bar, wire, plate, pipe). They represent applicable technical standards, not alternative or equivalent alloy grades.

Chemical Composition (Weight %)

Elemental limits and values from the cited source. Preserves exact semantic limits (minimums, maximums, and ranges).

Element	Symbol	Semantic Basis	Specified Value	Unit	Metallurgical Notes & Qualification	Data Status
Silicon	Si	RANGE	0.20 – 0.60	wt%	Ref: Kaiser Aluminum Corporation	VERIFIED
Iron	Fe	MAXIMUM	≤ 0.35	wt%	Ref: Kaiser Aluminum Corporation	VERIFIED
Copper	Cu	MAXIMUM	≤ 0.10	wt%	Ref: Kaiser Aluminum Corporation	VERIFIED
Manganese	Mn	MAXIMUM	≤ 0.10	wt%	Ref: Kaiser Aluminum Corporation	VERIFIED
Magnesium	Mg	RANGE	0.45 – 0.90	wt%	Ref: Kaiser Aluminum Corporation	VERIFIED
Chromium	Cr	MAXIMUM	≤ 0.10	wt%	Ref: Kaiser Aluminum Corporation	VERIFIED
Zinc	Zn	MAXIMUM	≤ 0.10	wt%	Ref: Kaiser Aluminum Corporation	VERIFIED
Titanium	Ti	MAXIMUM	≤ 0.10	wt%	Ref: Kaiser Aluminum Corporation	VERIFIED
Other Elements Each	OE	EACH	≤ 0.05 each	wt%	Ref: Kaiser Aluminum Corporation	VERIFIED
Other Elements Total	OT	TOTAL	≤ 0.15	wt%	Ref: Kaiser Aluminum Corporation	VERIFIED
Aluminum	Al	REMAINDER	Remainder	wt%	Balance aluminumRef: Kaiser Aluminum Corporation	VERIFIED

* Elemental percentages are expressed in weight percent (wt%). Values represent applicable specification limits. Unspecified trace elements are not fabricated or assumed.Preserves exact semantic basis

Property Display UnitsSwitch between Canonical SI and Source / US Customary units:

Physical Properties

Source-specific physical properties. Test temperatures are shown only where reported.

1 Parameters

Property Parameter	Canonical SI Value	Semantic Basis	Test Temperature / Context Range	Source Raw Reference	Source Reference	Status
Density	2.69 g/cm³	TYPICAL		2.69 g/cm³	Kaiser Aluminum Corporation	VERIFIED

Thermal & Thermodynamic Properties

Phase change temperatures, thermal conductivity, specific heat, mean coefficients of thermal expansion across standardized temperature ranges, and recommended thermal processing windows.

6 Parameters

Property Parameter	Canonical SI Value	Semantic Basis	Source Raw Reference	Source Reference	Status
Coefficient of Thermal Expansion	23.4 µm/(m·K)	TYPICAL	23.4 µm/(m·K)	Kaiser Aluminum Corporation	VERIFIED
Solidus Temperature	616 °C	TYPICAL	616 °C	Kaiser Aluminum Corporation	VERIFIED
Liquidus Temperature	654 °C	TYPICAL	654 °C	Kaiser Aluminum Corporation	VERIFIED
Thermal ConductivityCondition: O Temper	218 W/(m·K)	TYPICAL	218 W/(m·K)	Kaiser Aluminum Corporation	VERIFIED
Thermal ConductivityCondition: T5 Temper	209 W/(m·K)	TYPICAL	209 W/(m·K)	Kaiser Aluminum Corporation	VERIFIED
Thermal ConductivityCondition: T6 Temper	201 W/(m·K)	TYPICAL	201 W/(m·K)	Kaiser Aluminum Corporation	VERIFIED

Electrical Properties

Electrical conductivity and resistivity in their reported units and conditions.

3 Parameters

Property Parameter	Canonical SI Value	Semantic Basis	Source Raw Reference	Source Reference	Status
Electrical ConductivityCondition: O Temper	58 % IACS	TYPICAL	58.0 % IACS	Kaiser Aluminum Corporation	VERIFIED
Electrical ConductivityCondition: T5 Temper	55 % IACS	TYPICAL	55.0 % IACS	Kaiser Aluminum Corporation	VERIFIED
Electrical ConductivityCondition: T6 Temper	53 % IACS	TYPICAL	53.0 % IACS	Kaiser Aluminum Corporation	VERIFIED

Contextual Mechanical Properties & Tempers

Engineering strength, ductility, and hardness values grouped by product form, temper, and section thickness. Mechanical properties are contextual and not isotropic averages.

Elastic & Baseline Mechanical ConstantsSource-specific measurement conditions

Modulus of Elasticity

69 GPa

Product Form:

Temper / Condition:

Showing 4 of 4 conditions

Product Form	Temper / Condition	Section Size	Tensile (UTS)	Yield Strength	Elongation	Shear Strength	Fatigue Strength	Hardness (Scales Preserved)	Status
Drawn Tube	O Temper Source values and qualifiers Ultimate Tensile Strength: 90 MPa (TYPICAL)Kaiser Aluminum Corporation — mat-phase4c-6063 Mechanical Properties O Drawn Tube Yield Strength (0.2% Offset): 48 MPa (TYPICAL)Kaiser Aluminum Corporation — mat-phase4c-6063 Mechanical Properties O Drawn Tube Elongation (4D): 35 % (TYPICAL)Kaiser Aluminum Corporation — mat-phase4c-6063 Mechanical Properties O Drawn Tube Shear Strength: 69 MPa (TYPICAL)Kaiser Aluminum Corporation — mat-phase4c-6063 Mechanical Properties O Drawn Tube Fatigue Endurance Limit (5x10^8 cycles): 55 MPa (TYPICAL)Kaiser Aluminum Corporation — mat-phase4c-6063 Mechanical Properties O Drawn Tube HB Hardness: 25 HB (TYPICAL)Kaiser Aluminum Corporation — mat-phase4c-6063 Hardness O Drawn Tube O	—	90 MPa	48 MPa	35 %	69 MPa	55 MPa	25 HB	VERIFIED
Extrusions	T5 Temper Source values and qualifiers Ultimate Tensile Strength: 186 MPa (TYPICAL)Kaiser Aluminum Corporation — mat-phase4c-6063 Mechanical Properties T5 Extrusions Yield Strength (0.2% Offset): 145 MPa (TYPICAL)Kaiser Aluminum Corporation — mat-phase4c-6063 Mechanical Properties T5 Extrusions Elongation (4D): 12 % (TYPICAL)Kaiser Aluminum Corporation — mat-phase4c-6063 Mechanical Properties T5 Extrusions Shear Strength: 117 MPa (TYPICAL)Kaiser Aluminum Corporation — mat-phase4c-6063 Mechanical Properties T5 Extrusions Fatigue Endurance Limit (5x10^8 cycles): 69 MPa (TYPICAL)Kaiser Aluminum Corporation — mat-phase4c-6063 Mechanical Properties T5 Extrusions HB Hardness: 60 HB (TYPICAL)Kaiser Aluminum Corporation — mat-phase4c-6063 Hardness T5 Extrusions T5	—	186 MPa	145 MPa	12 %	117 MPa	69 MPa	60 HB	VERIFIED
Extrusions	T6 Temper Source values and qualifiers Ultimate Tensile Strength: 241 MPa (TYPICAL)Kaiser Aluminum Corporation — mat-phase4c-6063 Mechanical Properties T6 Extrusions Yield Strength (0.2% Offset): 214 MPa (TYPICAL)Kaiser Aluminum Corporation — mat-phase4c-6063 Mechanical Properties T6 Extrusions Elongation (4D): 12 % (TYPICAL)Kaiser Aluminum Corporation — mat-phase4c-6063 Mechanical Properties T6 Extrusions Shear Strength: 152 MPa (TYPICAL)Kaiser Aluminum Corporation — mat-phase4c-6063 Mechanical Properties T6 Extrusions Fatigue Endurance Limit (5x10^8 cycles): 69 MPa (TYPICAL)Kaiser Aluminum Corporation — mat-phase4c-6063 Mechanical Properties T6 Extrusions HB Hardness: 73 HB (TYPICAL)Kaiser Aluminum Corporation — mat-phase4c-6063 Hardness T6 Extrusions T6	—	241 MPa	214 MPa	12 %	152 MPa	69 MPa	73 HB	VERIFIED
Drawn Tube	T832 Temper Source values and qualifiers Ultimate Tensile Strength: 276 MPa (TYPICAL)Kaiser Aluminum Corporation — mat-phase4c-6063 Mechanical Properties T832 Drawn Tube Yield Strength (0.2% Offset): 241 MPa (TYPICAL)Kaiser Aluminum Corporation — mat-phase4c-6063 Mechanical Properties T832 Drawn Tube Elongation (4D): 12 % (TYPICAL)Kaiser Aluminum Corporation — mat-phase4c-6063 Mechanical Properties T832 Drawn Tube Shear Strength: 165 MPa (TYPICAL)Kaiser Aluminum Corporation — mat-phase4c-6063 Mechanical Properties T832 Drawn Tube Fatigue Endurance Limit (5x10^8 cycles): 76 MPa (TYPICAL)Kaiser Aluminum Corporation — mat-phase4c-6063 Mechanical Properties T832 Drawn Tube HB Hardness: 82 HB (TYPICAL)Kaiser Aluminum Corporation — mat-phase4c-6063 Hardness T832 Drawn Tube T832	—	276 MPa	241 MPa	12 %	165 MPa	76 MPa	82 HB	VERIFIED

Hardness Integrity Notice: Rockwell B (HRB), Rockwell F (HRF), and Superficial 30T (HR30T) scales are reported on their measured scales without cross-scale mathematical conversion.

Source: See fact-level citations

Sources & Provenance Trail

Reference publications and standards organization registers cited across this material record.

Kaiser Aluminum CorporationKaiser Aluminum Technical Engineering Datasheet

PRIMARY PRODUCER

Reviewed factual transcription from Kaiser Aluminum technical product datasheets: mat-phase4c-6063 Chemical Composition Limits. Selected facts only; no decorative text or full standard tables reproduced.