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Grade CW6M Nickel vs. SAE-AISI 8625 Steel

Grade CW6M nickel belongs to the nickel alloys classification, while SAE-AISI 8625 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 8625 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 29
25
Fatigue Strength, MPa 210
240
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 84
73
Tensile Strength: Ultimate (UTS), MPa 560
510
Tensile Strength: Yield (Proof), MPa 310
330

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 970
410
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
11

Otherwise Unclassified Properties

Base Metal Price, % relative 65
2.6
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
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
110
Resilience: Unit (Modulus of Resilience), kJ/m3 220
300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
18
Strength to Weight: Bending, points 17
18
Thermal Shock Resistance, points 16
17

Alloy Composition

Carbon (C), % 0 to 0.070
0.23 to 0.28
Chromium (Cr), % 17 to 20
0.4 to 0.6
Iron (Fe), % 0 to 3.0
96.8 to 98
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
0.4 to 0.7
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