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Grade CW12MW Nickel vs. SAE-AISI 1144 Steel

Grade CW12MW nickel belongs to the nickel alloys classification, while SAE-AISI 1144 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 1144 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 4.6
11 to 17
Fatigue Strength, MPa 130
280 to 430
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 85
72
Tensile Strength: Ultimate (UTS), MPa 560
750 to 840
Tensile Strength: Yield (Proof), MPa 310
420 to 690

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 960
400
Melting Completion (Liquidus), °C 1610
1450
Melting Onset (Solidus), °C 1560
1410
Specific Heat Capacity, J/kg-K 410
470
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
1.9
Density, g/cm3 9.1
7.8
Embodied Carbon, kg CO2/kg material 13
1.4
Embodied Energy, MJ/kg 180
19
Embodied Water, L/kg 280
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
91 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 220
480 to 1290
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 17
27 to 30
Strength to Weight: Bending, points 17
23 to 25
Thermal Shock Resistance, points 16
22 to 24

Alloy Composition

Carbon (C), % 0 to 0.12
0.4 to 0.48
Chromium (Cr), % 15.5 to 17.5
0
Iron (Fe), % 4.5 to 7.5
97.5 to 98
Manganese (Mn), % 0 to 1.0
1.4 to 1.7
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
0.24 to 0.33
Tungsten (W), % 3.8 to 5.3
0
Vanadium (V), % 0.2 to 0.4
0