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ASTM A732 Cast Steel vs. AWS ERNi-1

ASTM A732 cast steel belongs to the iron alloys classification, while AWS ERNi-1 belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ASTM A732 cast steel and the bottom bar is AWS ERNi-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
180
Elongation at Break, % 4.0 to 25
22
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 72 to 73
69
Tensile Strength: Ultimate (UTS), MPa 460 to 1470
470

Thermal Properties

Latent Heat of Fusion, J/g 250 to 260
300
Melting Completion (Liquidus), °C 1440 to 1460
1360
Melting Onset (Solidus), °C 1400 to 1420
1310
Specific Heat Capacity, J/kg-K 470 to 480
450
Thermal Conductivity, W/m-K 39 to 50
73
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1 to 7.7
19
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.9
19

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0 to 3.8
60
Density, g/cm3 7.8 to 7.9
8.7
Embodied Carbon, kg CO2/kg material 1.4 to 1.7
11
Embodied Energy, MJ/kg 19 to 24
150
Embodied Water, L/kg 47 to 54
230

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 16 to 52
15
Strength to Weight: Bending, points 17 to 37
15
Thermal Diffusivity, mm2/s 10 to 14
19
Thermal Shock Resistance, points 14 to 43
17