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AWS BNi-2 vs. ASTM A217 Cast Steel

AWS BNi-2 belongs to the nickel alloys classification, while ASTM A217 cast steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-2 and the bottom bar is ASTM A217 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Poisson's Ratio 0.3
0.28 to 0.29
Shear Modulus, GPa 68
73 to 75
Tensile Strength: Ultimate (UTS), MPa 440
540 to 710

Thermal Properties

Latent Heat of Fusion, J/g 360
250 to 270
Melting Completion (Liquidus), °C 1000
1450 to 1460
Melting Onset (Solidus), °C 970
1410 to 1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 55
2.4 to 7.0
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 9.3
1.5 to 2.1
Embodied Energy, MJ/kg 130
20 to 28
Embodied Water, L/kg 230
47 to 87

Common Calculations

Stiffness to Weight: Axial, points 12
13 to 14
Stiffness to Weight: Bending, points 23
24 to 25
Strength to Weight: Axial, points 15
19 to 25
Strength to Weight: Bending, points 16
19 to 23
Thermal Shock Resistance, points 16
16 to 20