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Grade CW6MC Nickel vs. EN 1.7220 Steel

Grade CW6MC nickel belongs to the nickel alloys classification, while EN 1.7220 steel belongs to the iron alloys. There are 24 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 CW6MC nickel and the bottom bar is EN 1.7220 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 540
520 to 1720

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 980
420
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 11
44
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 80
2.5
Density, g/cm3 8.6
7.8
Embodied Carbon, kg CO2/kg material 14
1.5
Embodied Energy, MJ/kg 200
20
Embodied Water, L/kg 290
51

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
18 to 61
Strength to Weight: Bending, points 17
18 to 41
Thermal Diffusivity, mm2/s 2.8
12
Thermal Shock Resistance, points 15
15 to 50

Alloy Composition

Carbon (C), % 0 to 0.060
0.3 to 0.37
Chromium (Cr), % 20 to 23
0.9 to 1.2
Iron (Fe), % 0 to 5.0
96.8 to 98.1
Manganese (Mn), % 0 to 1.0
0.6 to 0.9
Molybdenum (Mo), % 8.0 to 10
0.15 to 0.3
Nickel (Ni), % 55.4 to 68.9
0
Niobium (Nb), % 3.2 to 4.5
0
Phosphorus (P), % 0 to 0.015
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035