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Grade CW6M Nickel vs. S41045 Stainless Steel

Grade CW6M nickel belongs to the nickel alloys classification, while S41045 stainless 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 CW6M nickel and the bottom bar is S41045 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 29
25
Fatigue Strength, MPa 210
160
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 84
76
Tensile Strength: Ultimate (UTS), MPa 560
430
Tensile Strength: Yield (Proof), MPa 310
230

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Maximum Temperature: Mechanical, °C 970
740
Melting Completion (Liquidus), °C 1530
1450
Melting Onset (Solidus), °C 1470
1400
Specific Heat Capacity, J/kg-K 430
480
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 65
8.5
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 13
2.2
Embodied Energy, MJ/kg 170
31
Embodied Water, L/kg 300
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
92
Resilience: Unit (Modulus of Resilience), kJ/m3 220
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
16
Strength to Weight: Bending, points 17
16
Thermal Shock Resistance, points 16
16

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.030
Chromium (Cr), % 17 to 20
12 to 13
Iron (Fe), % 0 to 3.0
83.8 to 88
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 17 to 20
0
Nickel (Ni), % 54.9 to 66
0 to 0.5
Niobium (Nb), % 0
0 to 0.6
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030