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SAE-AISI D7 Steel vs. ASTM A732 Cast Steel

Both SAE-AISI D7 steel and ASTM A732 cast steel are iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI D7 steel and the bottom bar is ASTM A732 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 73
72 to 73
Tensile Strength: Ultimate (UTS), MPa 800 to 2120
460 to 1470

Thermal Properties

Latent Heat of Fusion, J/g 270
250 to 260
Melting Completion (Liquidus), °C 1440
1440 to 1460
Melting Onset (Solidus), °C 1400
1400 to 1420
Specific Heat Capacity, J/kg-K 480
470 to 480
Thermal Conductivity, W/m-K 27
39 to 50
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.0 to 3.8
Density, g/cm3 7.6
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 11
1.4 to 1.7
Embodied Energy, MJ/kg 180
19 to 24
Embodied Water, L/kg 130
47 to 54

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29 to 78
16 to 52
Strength to Weight: Bending, points 25 to 48
17 to 37
Thermal Diffusivity, mm2/s 7.4
10 to 14
Thermal Shock Resistance, points 27 to 72
14 to 43