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Grade CW2M Nickel vs. R30556 Alloy

Grade CW2M nickel belongs to the nickel alloys classification, while R30556 alloy belongs to the iron alloys. They have 43% of their average alloy composition in common. 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 R30556 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 23
45
Fatigue Strength, MPa 190
320
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 83
81
Tensile Strength: Ultimate (UTS), MPa 560
780
Tensile Strength: Yield (Proof), MPa 310
350

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Mechanical, °C 960
1100
Melting Completion (Liquidus), °C 1520
1420
Melting Onset (Solidus), °C 1460
1330
Specific Heat Capacity, J/kg-K 430
450
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 70
70
Density, g/cm3 8.8
8.4
Embodied Carbon, kg CO2/kg material 12
8.7
Embodied Energy, MJ/kg 170
130
Embodied Water, L/kg 290
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
290
Resilience: Unit (Modulus of Resilience), kJ/m3 220
290
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 18
26
Strength to Weight: Bending, points 17
22
Thermal Shock Resistance, points 16
18

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.5
Boron (B), % 0
0 to 0.020
Carbon (C), % 0 to 0.020
0.050 to 0.15
Chromium (Cr), % 15 to 17.5
21 to 23
Cobalt (Co), % 0
16 to 21
Iron (Fe), % 0 to 2.0
20.4 to 38.2
Lanthanum (La), % 0
0.0050 to 0.1
Manganese (Mn), % 0 to 1.0
0.5 to 2.0
Molybdenum (Mo), % 15 to 17.5
2.5 to 4.0
Nickel (Ni), % 60.1 to 70
19 to 22.5
Niobium (Nb), % 0
0 to 0.3
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.8
0.2 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.015
Tantalum (Ta), % 0
0.3 to 1.3
Tungsten (W), % 0 to 1.0
2.0 to 3.5
Zinc (Zn), % 0
0.0010 to 0.1