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Grade CW6MC Nickel vs. SAE-AISI 5145 Steel

Grade CW6MC nickel belongs to the nickel alloys classification, while SAE-AISI 5145 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is grade CW6MC nickel and the bottom bar is SAE-AISI 5145 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
20
Fatigue Strength, MPa 210
250
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 540
560
Tensile Strength: Yield (Proof), MPa 310
370

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 980
420
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 11
47
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 80
2.1
Density, g/cm3 8.6
7.8
Embodied Carbon, kg CO2/kg material 14
1.4
Embodied Energy, MJ/kg 200
19
Embodied Water, L/kg 290
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
100
Resilience: Unit (Modulus of Resilience), kJ/m3 240
360
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
20
Strength to Weight: Bending, points 17
19
Thermal Diffusivity, mm2/s 2.8
13
Thermal Shock Resistance, points 15
17

Alloy Composition

Carbon (C), % 0 to 0.060
0.43 to 0.48
Chromium (Cr), % 20 to 23
0.7 to 0.9
Iron (Fe), % 0 to 5.0
97.3 to 98
Manganese (Mn), % 0 to 1.0
0.7 to 0.9
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 55.4 to 68.9
0
Niobium (Nb), % 3.2 to 4.5
0
Phosphorus (P), % 0 to 0.015
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