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Grade 350 Maraging Steel vs. ASTM B631 Class A

Grade 350 maraging steel belongs to the iron alloys classification, while ASTM B631 class A belongs to the otherwise unclassified metals. There are 12 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.

For each property being compared, the top bar is grade 350 maraging steel and the bottom bar is ASTM B631 class A.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Poisson's Ratio 0.3
0.3
Shear Modulus, GPa 75
85 to 86

Thermal Properties

Latent Heat of Fusion, J/g 270
160
Melting Completion (Liquidus), °C 1470
2680 to 2690
Specific Heat Capacity, J/kg-K 450
160
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Density, g/cm3 8.2
15
Embodied Carbon, kg CO2/kg material 5.6
43
Embodied Energy, MJ/kg 74
670

Common Calculations

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