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Grade CU5MCuC Nickel vs. SAE-AISI 5140 Steel

Grade CU5MCuC nickel belongs to the nickel alloys classification, while SAE-AISI 5140 steel belongs to the iron alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade CU5MCuC nickel and the bottom bar is SAE-AISI 5140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 22
12 to 29
Fatigue Strength, MPa 170
220 to 570
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 580
560 to 970
Tensile Strength: Yield (Proof), MPa 270
290 to 840

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 980
420
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 45
2.1
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 7.7
1.4
Embodied Energy, MJ/kg 110
19
Embodied Water, L/kg 230
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
76 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 190
220 to 1880
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
20 to 34
Strength to Weight: Bending, points 19
19 to 28
Thermal Shock Resistance, points 16
16 to 29

Alloy Composition

Carbon (C), % 0 to 0.050
0.38 to 0.43
Chromium (Cr), % 19.5 to 23.5
0.7 to 0.9
Copper (Cu), % 1.5 to 3.5
0
Iron (Fe), % 22.2 to 37.9
97.3 to 98.1
Manganese (Mn), % 0 to 1.0
0.7 to 0.9
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 38 to 44
0
Niobium (Nb), % 0.6 to 1.2
0
Phosphorus (P), % 0 to 0.030
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