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Grade CW6MC Nickel vs. S40910 Stainless Steel

Grade CW6MC nickel belongs to the nickel alloys classification, while S40910 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is grade CW6MC nickel and the bottom bar is S40910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
23
Fatigue Strength, MPa 210
130
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 79
75
Tensile Strength: Ultimate (UTS), MPa 540
430
Tensile Strength: Yield (Proof), MPa 310
190

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Maximum Temperature: Mechanical, °C 980
710
Melting Completion (Liquidus), °C 1480
1450
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 11
26
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 80
7.0
Density, g/cm3 8.6
7.8
Embodied Carbon, kg CO2/kg material 14
2.0
Embodied Energy, MJ/kg 200
28
Embodied Water, L/kg 290
94

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
80
Resilience: Unit (Modulus of Resilience), kJ/m3 240
94
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
16
Strength to Weight: Bending, points 17
16
Thermal Diffusivity, mm2/s 2.8
6.9
Thermal Shock Resistance, points 15
16

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 20 to 23
10.5 to 11.7
Iron (Fe), % 0 to 5.0
85 to 89.5
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 55.4 to 68.9
0 to 0.5
Niobium (Nb), % 3.2 to 4.5
0 to 0.17
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0 to 0.5