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SAE-AISI A3 Steel vs. Grade CU5MCuC Nickel

SAE-AISI A3 steel belongs to the iron alloys classification, while grade CU5MCuC nickel belongs to the nickel alloys. They have a modest 37% 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 (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A3 steel and the bottom bar is grade CU5MCuC nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 700 to 2150
580

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 6.0
45
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 4.4
7.7
Embodied Energy, MJ/kg 67
110
Embodied Water, L/kg 78
230

Common Calculations

PREN (Pitting Resistance) 8.9
31
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 77
20
Strength to Weight: Bending, points 23 to 48
19
Thermal Shock Resistance, points 23 to 70
16

Alloy Composition

Carbon (C), % 1.2 to 1.3
0 to 0.050
Chromium (Cr), % 4.8 to 5.5
19.5 to 23.5
Copper (Cu), % 0 to 0.25
1.5 to 3.5
Iron (Fe), % 88.7 to 92
22.2 to 37.9
Manganese (Mn), % 0.4 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.4
2.5 to 3.5
Nickel (Ni), % 0 to 0.3
38 to 44
Niobium (Nb), % 0
0.6 to 1.2
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.8 to 1.4
0