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Grade CW2M Nickel vs. EN 1.7221 Steel

Grade CW2M nickel belongs to the nickel alloys classification, while EN 1.7221 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 CW2M nickel and the bottom bar is EN 1.7221 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 23
11 to 17
Fatigue Strength, MPa 190
290 to 390
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 83
73
Tensile Strength: Ultimate (UTS), MPa 560
650 to 780
Tensile Strength: Yield (Proof), MPa 310
430 to 630

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 960
420
Melting Completion (Liquidus), °C 1520
1460
Melting Onset (Solidus), °C 1460
1420
Specific Heat Capacity, J/kg-K 430
470
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
2.4
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 12
1.5
Embodied Energy, MJ/kg 170
20
Embodied Water, L/kg 290
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
83 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 220
490 to 1050
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
23 to 27
Strength to Weight: Bending, points 17
21 to 24
Thermal Shock Resistance, points 16
19 to 23

Alloy Composition

Carbon (C), % 0 to 0.020
0.22 to 0.29
Chromium (Cr), % 15 to 17.5
0.8 to 1.2
Iron (Fe), % 0 to 2.0
96.8 to 98.3
Manganese (Mn), % 0 to 1.0
0.5 to 0.8
Molybdenum (Mo), % 15 to 17.5
0.15 to 0.3
Nickel (Ni), % 60.1 to 70
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.8
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0 to 1.0
0