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ASTM B631 Class A vs. EN 1.3961 Alloy

ASTM B631 class A belongs to the otherwise unclassified metals classification, while EN 1.3961 alloy belongs to the iron alloys. There are 12 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is ASTM B631 class A and the bottom bar is EN 1.3961 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Poisson's Ratio 0.3
0.3
Shear Modulus, GPa 85 to 86
72

Thermal Properties

Latent Heat of Fusion, J/g 160
270
Melting Completion (Liquidus), °C 2680 to 2690
1430
Specific Heat Capacity, J/kg-K 160
460
Thermal Expansion, µm/m-K 11
1.3

Otherwise Unclassified Properties

Density, g/cm3 15
8.2
Embodied Carbon, kg CO2/kg material 43
4.8
Embodied Energy, MJ/kg 670
66

Common Calculations

Stiffness to Weight: Axial, points 8.5
13
Stiffness to Weight: Bending, points 14
23