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Grade CW12MW Nickel vs. SAE-AISI 5155 Steel

Grade CW12MW nickel belongs to the nickel alloys classification, while SAE-AISI 5155 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, 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 5155 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 4.6
21
Fatigue Strength, MPa 130
260
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 85
73
Tensile Strength: Ultimate (UTS), MPa 560
620
Tensile Strength: Yield (Proof), MPa 310
380

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 960
420
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
12

Otherwise Unclassified Properties

Base Metal Price, % relative 70
2.1
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
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
110
Resilience: Unit (Modulus of Resilience), kJ/m3 220
380
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 17
22
Strength to Weight: Bending, points 17
21
Thermal Shock Resistance, points 16
20

Alloy Composition

Carbon (C), % 0 to 0.12
0.51 to 0.59
Chromium (Cr), % 15.5 to 17.5
0.7 to 0.9
Iron (Fe), % 4.5 to 7.5
97.2 to 97.9
Manganese (Mn), % 0 to 1.0
0.7 to 0.9
Molybdenum (Mo), % 16 to 18
0
Nickel (Ni), % 49.2 to 60.1
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040
Tungsten (W), % 3.8 to 5.3
0
Vanadium (V), % 0.2 to 0.4
0