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SAE-AISI M6 Steel vs. Grade CU5MCuC Nickel

SAE-AISI M6 steel belongs to the iron alloys classification, while grade CU5MCuC nickel belongs to the nickel alloys. They have a modest 38% of their average alloy composition in common, which, by itself, doesn't mean much. There are 20 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M6 steel and the bottom bar is grade CU5MCuC nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 840 to 2210
580

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Melting Completion (Liquidus), °C 1560
1420
Melting Onset (Solidus), °C 1510
1370
Specific Heat Capacity, J/kg-K 440
460
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 39
45
Density, g/cm3 8.4
8.2
Embodied Carbon, kg CO2/kg material 8.0
7.7
Embodied Energy, MJ/kg 120
110
Embodied Water, L/kg 160
230

Common Calculations

PREN (Pitting Resistance) 28
31
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 28 to 73
20
Strength to Weight: Bending, points 24 to 45
19
Thermal Shock Resistance, points 26 to 68
16

Alloy Composition

Carbon (C), % 0.75 to 0.85
0 to 0.050
Chromium (Cr), % 3.8 to 4.5
19.5 to 23.5
Cobalt (Co), % 11 to 13
0
Copper (Cu), % 0
1.5 to 3.5
Iron (Fe), % 68.8 to 74.6
22.2 to 37.9
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 4.5 to 5.5
2.5 to 3.5
Nickel (Ni), % 0
38 to 44
Niobium (Nb), % 0
0.6 to 1.2
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.45
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 3.8 to 4.8
0
Vanadium (V), % 1.3 to 1.7
0