3xxx · Al-Mn · ASTM B209
3003 Aluminum
Work-hardenable manganese alloy with good formability and corrosion resistance. Common for sheet metal and tanks.
Density
2.73 g/cm³
2730 kg/m³
Yield (Rp0.2)
145 MPa
typical
Tensile (Rm)
145 MPa
typical
Elongation
8%
A
Modulus E
69 GPa
elastic
Hardness
40 HB
H14
α thermal
23.2×10⁻⁶/K
expansion
k thermal
190 W/m·K
conductivity
Density vs the 2.70 myth
True density for 3003 Aluminum is 2.73 g/cm³. Using 2.70 introduces a +1.11% mass error.
1 m² × 10 mm plate (correct ρ)
27.30 kg
Same plate if ρ = 2.70
27.00 kg
Weldability
Excellent
Machinability
Fair
Corrosion resistance
Excellent
Typical applications
- • Cooking utensils
- • Chemical tanks
- • General sheet work
Engineering pitfalls
- • Moderate strength only
- • Not intended for high-load structural members
Compare & related
Values are typical handbook figures for the stated temper (H14) and are intended for preliminary engineering. Production design must use certified material data and applicable design codes. Standard reference: ASTM B209.