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AWS BNi-8 vs. Automotive Grey Cast Iron

AWS BNi-8 belongs to the nickel alloys classification, while automotive grey cast iron belongs to the iron alloys. There are 19 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 AWS BNi-8 and the bottom bar is automotive grey cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
180
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 67
69 to 70
Tensile Strength: Ultimate (UTS), MPa 570
140 to 290

Thermal Properties

Latent Heat of Fusion, J/g 390
260 to 280
Melting Completion (Liquidus), °C 1010
1380 to 1390
Melting Onset (Solidus), °C 980
1340 to 1350
Specific Heat Capacity, J/kg-K 480
490
Thermal Expansion, µm/m-K 13
12 to 14

Otherwise Unclassified Properties

Base Metal Price, % relative 46
1.9 to 3.0
Density, g/cm3 7.9
7.5 to 7.6
Embodied Carbon, kg CO2/kg material 8.2
1.5 to 1.7
Embodied Energy, MJ/kg 120
21 to 24
Embodied Water, L/kg 220
44 to 51

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
5.2 to 11
Strength to Weight: Bending, points 19
8.0 to 13
Thermal Shock Resistance, points 17
4.2 to 8.6