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AWS BNi-4 vs. ASTM A732 Cast Steel

AWS BNi-4 belongs to the nickel alloys classification, while ASTM A732 cast steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-4 and the bottom bar is ASTM A732 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 67
72 to 73
Tensile Strength: Ultimate (UTS), MPa 430
460 to 1470

Thermal Properties

Latent Heat of Fusion, J/g 340
250 to 260
Melting Completion (Liquidus), °C 1070
1440 to 1460
Melting Onset (Solidus), °C 980
1400 to 1420
Specific Heat Capacity, J/kg-K 470
470 to 480
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 60
2.0 to 3.8
Density, g/cm3 8.5
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 10
1.4 to 1.7
Embodied Energy, MJ/kg 140
19 to 24
Embodied Water, L/kg 220
47 to 54

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 14
16 to 52
Strength to Weight: Bending, points 15
17 to 37
Thermal Shock Resistance, points 16
14 to 43