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Grade CW6M Nickel vs. SAE-AISI 1340 Steel

Grade CW6M nickel belongs to the nickel alloys classification, while SAE-AISI 1340 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade CW6M nickel and the bottom bar is SAE-AISI 1340 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 29
11 to 23
Fatigue Strength, MPa 210
220 to 390
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 84
72
Tensile Strength: Ultimate (UTS), MPa 560
540 to 730
Tensile Strength: Yield (Proof), MPa 310
300 to 620

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 970
400
Melting Completion (Liquidus), °C 1530
1450
Melting Onset (Solidus), °C 1470
1410
Specific Heat Capacity, J/kg-K 430
470
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 65
1.9
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 13
1.4
Embodied Energy, MJ/kg 170
19
Embodied Water, L/kg 300
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
78 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 220
240 to 1040
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
19 to 26
Strength to Weight: Bending, points 17
19 to 23
Thermal Shock Resistance, points 16
17 to 23

Alloy Composition

Carbon (C), % 0 to 0.070
0.38 to 0.43
Chromium (Cr), % 17 to 20
0
Iron (Fe), % 0 to 3.0
97.2 to 97.9
Manganese (Mn), % 0 to 1.0
1.6 to 1.9
Molybdenum (Mo), % 17 to 20
0
Nickel (Ni), % 54.9 to 66
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040