MakeItFrom.com
Menu (ESC)

Austenitic Grey Cast Iron vs. AWS BNi-8

Austenitic grey cast iron belongs to the iron alloys classification, while AWS BNi-8 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is austenitic grey cast iron and the bottom bar is AWS BNi-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
180
Poisson's Ratio 0.29 to 0.3
0.32
Shear Modulus, GPa 69 to 72
67
Tensile Strength: Ultimate (UTS), MPa 150 to 230
570

Thermal Properties

Latent Heat of Fusion, J/g 280 to 350
390
Melting Completion (Liquidus), °C 1340 to 1400
1010
Melting Onset (Solidus), °C 1290 to 1350
980
Specific Heat Capacity, J/kg-K 470 to 490
480
Thermal Expansion, µm/m-K 13 to 14
13

Otherwise Unclassified Properties

Base Metal Price, % relative 14 to 24
46
Density, g/cm3 7.7 to 8.1
7.9
Embodied Carbon, kg CO2/kg material 3.1 to 4.7
8.2
Embodied Energy, MJ/kg 43 to 65
120
Embodied Water, L/kg 93 to 120
220

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 23 to 25
24
Strength to Weight: Axial, points 5.3 to 8.2
20
Strength to Weight: Bending, points 7.9 to 11
19
Thermal Shock Resistance, points 4.5 to 6.5
17