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Austenitic Grey Cast Iron vs. Nickel 689

Austenitic grey cast iron belongs to the iron alloys classification, while nickel 689 belongs to the nickel alloys. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is austenitic grey cast iron and the bottom bar is nickel 689.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 210
350
Elastic (Young's, Tensile) Modulus, GPa 180
210
Poisson's Ratio 0.29 to 0.3
0.29
Shear Modulus, GPa 69 to 72
80
Tensile Strength: Ultimate (UTS), MPa 150 to 230
1250

Thermal Properties

Latent Heat of Fusion, J/g 280 to 350
330
Melting Completion (Liquidus), °C 1340 to 1400
1440
Melting Onset (Solidus), °C 1290 to 1350
1390
Specific Heat Capacity, J/kg-K 470 to 490
450
Thermal Expansion, µm/m-K 13 to 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 14 to 24
70
Density, g/cm3 7.7 to 8.1
8.5
Embodied Carbon, kg CO2/kg material 3.1 to 4.7
11
Embodied Energy, MJ/kg 43 to 65
150
Embodied Water, L/kg 93 to 120
330

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23 to 25
23
Strength to Weight: Axial, points 5.3 to 8.2
41
Strength to Weight: Bending, points 7.9 to 11
30
Thermal Shock Resistance, points 4.5 to 6.5
35