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Grade CW2M Nickel vs. ACI-ASTM CA40F Steel

Grade CW2M nickel belongs to the nickel alloys classification, while ACI-ASTM CA40F 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 CW2M nickel and the bottom bar is ACI-ASTM CA40F steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 23
13
Fatigue Strength, MPa 190
320
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 83
76
Tensile Strength: Ultimate (UTS), MPa 560
770
Tensile Strength: Yield (Proof), MPa 310
550

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 960
750
Melting Completion (Liquidus), °C 1520
1430
Melting Onset (Solidus), °C 1460
1390
Specific Heat Capacity, J/kg-K 430
480
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 70
7.5
Density, g/cm3 8.8
7.7
Embodied Carbon, kg CO2/kg material 12
2.0
Embodied Energy, MJ/kg 170
28
Embodied Water, L/kg 290
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
94
Resilience: Unit (Modulus of Resilience), kJ/m3 220
790
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
28
Strength to Weight: Bending, points 17
24
Thermal Shock Resistance, points 16
28

Alloy Composition

Carbon (C), % 0 to 0.020
0.2 to 0.4
Chromium (Cr), % 15 to 17.5
11.5 to 14
Iron (Fe), % 0 to 2.0
81.6 to 88.3
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 15 to 17.5
0 to 0.5
Nickel (Ni), % 60.1 to 70
0 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 1.5
Sulfur (S), % 0 to 0.030
0.2 to 0.4
Tungsten (W), % 0 to 1.0
0