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ASTM B631 Class B vs. SAE-AISI H24 Steel

ASTM B631 class B belongs to the otherwise unclassified metals classification, while SAE-AISI H24 steel belongs to the iron alloys. There are 14 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is ASTM B631 class B and the bottom bar is SAE-AISI H24 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 78 to 79
78

Thermal Properties

Latent Heat of Fusion, J/g 150
240
Melting Completion (Liquidus), °C 2460 to 2480
1750
Specific Heat Capacity, J/kg-K 170
420
Thermal Conductivity, W/m-K 450
27
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Density, g/cm3 14
9.1
Embodied Carbon, kg CO2/kg material 49
6.1
Embodied Energy, MJ/kg 760
93

Common Calculations

Stiffness to Weight: Axial, points 8.1
12
Stiffness to Weight: Bending, points 14
22
Thermal Diffusivity, mm2/s 190
6.9