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SAE-AISI M6 Steel vs. ASTM B631 Class C

SAE-AISI M6 steel belongs to the iron alloys classification, while ASTM B631 class C belongs to the otherwise unclassified metals. 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 SAE-AISI M6 steel and the bottom bar is ASTM B631 class C.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
180 to 190
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 77
66 to 71

Thermal Properties

Latent Heat of Fusion, J/g 260
140 to 150
Melting Completion (Liquidus), °C 1560
2090 to 2230
Specific Heat Capacity, J/kg-K 440
180
Thermal Conductivity, W/m-K 17
450 to 490
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Density, g/cm3 8.4
13 to 14
Embodied Carbon, kg CO2/kg material 8.0
55 to 59
Embodied Energy, MJ/kg 120
860 to 920

Common Calculations

Stiffness to Weight: Axial, points 13
7.4 to 7.6
Stiffness to Weight: Bending, points 23
14
Thermal Diffusivity, mm2/s 4.7
180 to 200