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Grade CW6M Nickel vs. SAE-AISI 4137 Steel

Grade CW6M nickel belongs to the nickel alloys classification, while SAE-AISI 4137 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 4137 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 29
23
Fatigue Strength, MPa 210
240
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 84
73
Tensile Strength: Ultimate (UTS), MPa 560
550
Tensile Strength: Yield (Proof), MPa 310
340

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 970
420
Melting Completion (Liquidus), °C 1530
1460
Melting Onset (Solidus), °C 1470
1420
Specific Heat Capacity, J/kg-K 430
470
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 65
2.4
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 13
1.5
Embodied Energy, MJ/kg 170
20
Embodied Water, L/kg 300
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
110
Resilience: Unit (Modulus of Resilience), kJ/m3 220
310
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
20
Strength to Weight: Bending, points 17
19
Thermal Shock Resistance, points 16
18

Alloy Composition

Carbon (C), % 0 to 0.070
0.35 to 0.4
Chromium (Cr), % 17 to 20
0.8 to 1.1
Iron (Fe), % 0 to 3.0
96.9 to 97.9
Manganese (Mn), % 0 to 1.0
0.7 to 0.9
Molybdenum (Mo), % 17 to 20
0.15 to 0.25
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