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Grade CW2M Nickel vs. EN 1.7729 Steel

Grade CW2M nickel belongs to the nickel alloys classification, while EN 1.7729 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grade CW2M nickel and the bottom bar is EN 1.7729 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 23
17
Fatigue Strength, MPa 190
500
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 83
73
Tensile Strength: Ultimate (UTS), MPa 560
910
Tensile Strength: Yield (Proof), MPa 310
750

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 960
430
Melting Completion (Liquidus), °C 1520
1470
Melting Onset (Solidus), °C 1460
1430
Specific Heat Capacity, J/kg-K 430
470
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
3.8
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 12
3.3
Embodied Energy, MJ/kg 170
49
Embodied Water, L/kg 290
59

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
150
Resilience: Unit (Modulus of Resilience), kJ/m3 220
1500
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
32
Strength to Weight: Bending, points 17
27
Thermal Shock Resistance, points 16
27

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.080
Arsenic (As), % 0
0 to 0.020
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0 to 0.020
0.17 to 0.23
Chromium (Cr), % 15 to 17.5
0.9 to 1.2
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 0 to 2.0
94.8 to 97
Manganese (Mn), % 0 to 1.0
0.35 to 0.75
Molybdenum (Mo), % 15 to 17.5
0.9 to 1.1
Nickel (Ni), % 60.1 to 70
0 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 0.8
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.015
Tin (Sn), % 0
0 to 0.020
Titanium (Ti), % 0
0.070 to 0.15
Tungsten (W), % 0 to 1.0
0
Vanadium (V), % 0
0.6 to 0.8