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Grade CW12MW Nickel vs. SAE-AISI 1140 Steel

Grade CW12MW nickel belongs to the nickel alloys classification, while SAE-AISI 1140 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade CW12MW nickel and the bottom bar is SAE-AISI 1140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 4.6
14 to 18
Fatigue Strength, MPa 130
230 to 370
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 85
72
Tensile Strength: Ultimate (UTS), MPa 560
600 to 700
Tensile Strength: Yield (Proof), MPa 310
340 to 570

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 960
400
Melting Completion (Liquidus), °C 1610
1460
Melting Onset (Solidus), °C 1560
1420
Specific Heat Capacity, J/kg-K 410
470
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
1.8
Density, g/cm3 9.1
7.8
Embodied Carbon, kg CO2/kg material 13
1.4
Embodied Energy, MJ/kg 180
18
Embodied Water, L/kg 280
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
89 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 220
310 to 870
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 17
21 to 25
Strength to Weight: Bending, points 17
20 to 22
Thermal Shock Resistance, points 16
18 to 21

Alloy Composition

Carbon (C), % 0 to 0.12
0.37 to 0.44
Chromium (Cr), % 15.5 to 17.5
0
Iron (Fe), % 4.5 to 7.5
98.4 to 98.9
Manganese (Mn), % 0 to 1.0
0.7 to 1.0
Molybdenum (Mo), % 16 to 18
0
Nickel (Ni), % 49.2 to 60.1
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0.080 to 0.13
Tungsten (W), % 3.8 to 5.3
0
Vanadium (V), % 0.2 to 0.4
0