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Grade CU5MCuC Nickel vs. SAE-AISI 5145 Steel

Grade CU5MCuC nickel belongs to the nickel alloys classification, while SAE-AISI 5145 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 5145 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 22
20
Fatigue Strength, MPa 170
250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 580
560
Tensile Strength: Yield (Proof), MPa 270
370

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
1410
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 13
12

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
100
Resilience: Unit (Modulus of Resilience), kJ/m3 190
360
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
20
Strength to Weight: Bending, points 19
19
Thermal Shock Resistance, points 16
17

Alloy Composition

Carbon (C), % 0 to 0.050
0.43 to 0.48
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
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