AA 3003 Aluminum Alloy – Premium Grade H12 for Superior Corrosion Resistance

Aluminum AA 3003 is a popular alloy that offers customers very good atmospheric corrosion resistance and moderate strength. Aluminum 3003 offers good machinability for aluminum alloys, though it is not heat treatable. Unlike other aluminum alloys, AA 3003 is weldable by conventional welding methods. It also takes cold and hot working well and has generally better mechanical properties when compared to 1000 series aluminum alloys.

Properties

General

Property	Value	Condition	Related Standards
Density	2.73 g/cm³	H12	AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B313, ASTM B483, ASTM B547

Mechanical

Property	Value	Condition	Related Standards	Comment
Bending Fatigue Strength	55.0 MPa	H12	AA Standards
Elastic modulus	69.0 GPa	H12	AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B313, ASTM B483, ASTM B547
Hardness, Brinell	35.0 [-]	H12	AA Standards
Plane-Strain Fracture Toughnes	22.0 - 35.0 MPa·√m			Typical for Wrought 3000 Series Aluminium
Poisson's ratio	0.33 [-]			Typical for Wrought 3000 Series Aluminium
Shear modulus	25.0 - 26.0 GPa			Typical for Wrought 3000 Series Aluminium
Tensile strength	115.0 MPa	H12	AA Standards, ASTM B211
	120.0 - 160.0 MPa	H12	AA Standards, ASTM B209, ASTM B313, ASTM B547
	120.0 MPa	H12	AA Standards, ASTM B210, ASTM B483
	130.0 MPa	H12	AA Standards

Thermal

Property	Temperature	Value	Condition	Related Standards	Comment
Coefficient of thermal expansion	20 °C	2.3199999999999998e-05 1/K	H12	AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B313, ASTM B483, ASTM B547
	100 °C	2.3199999999999998e-05 1/K	H12	AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B313, ASTM B483, ASTM B547
Melting point		640.0 - 655.0 °C	H12	AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B313, ASTM B483, ASTM B547
Specific heat capacity		893.0 - 920.0 J/(kg·K)			Typical for Wrought 3000 Series Aluminium
Thermal conductivity		159.0 - 193.0 W/(m·K)	H12	AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B313, ASTM B483, ASTM B547

Electrical

Property	Value	Condition	Related Standards
Electrical conductivity	24000000.0 - 29000000.0 S/m	H12	AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B313, ASTM B483, ASTM B547
Electrical resistivity	3.45e-08 - 4.17e-08 Ω·m	H12	AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B313, ASTM B483, ASTM B547

Chemical properties

Property	Value	Condition	Related Standards
Copper	0.05 - 0.2 %	H12	AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B313, ASTM B483, ASTM B547
Iron	0.70 %	H12	AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B313, ASTM B483, ASTM B547
Manganese	1.0 - 1.5 %	H12	AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B313, ASTM B483, ASTM B547
Silicon	0.6 %	H12	AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B313, ASTM B483, ASTM B547
Zinc	0.1 %	H12	AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B313, ASTM B483, ASTM B547

Technological properties

Property
Brazing	general: possible with commercial processes and methods
Corrosion properties	Stress corrosion cracking: no damage during operation and laboratory tests, general: very good, without protection in industrial or seawater atmosphere
General machinability	General: not suitable (O, H12), poor (H14, H16, H25)
Workability	general (condition): good (O, H12), acceptable (H14, H25), poor(H16, H18)

AA 2024 T3 Aluminum Alloy – Aircraft-Grade Strength & ASTM Standards AA 3003 H18 Aluminum Alloy – Exceptional Corrosion Resistance & Weldability

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