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SAE-AISI M1 Steel vs. C71000 Copper-nickel

SAE-AISI M1 steel belongs to the iron alloys classification, while C71000 copper-nickel belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M1 steel and the bottom bar is C71000 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 77
49
Tensile Strength: Ultimate (UTS), MPa 730 to 2140
320 to 560

Thermal Properties

Latent Heat of Fusion, J/g 270
230
Melting Completion (Liquidus), °C 1560
1200
Melting Onset (Solidus), °C 1510
1150
Specific Heat Capacity, J/kg-K 450
400
Thermal Conductivity, W/m-K 29
43
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 18
37
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 7.0
4.3
Embodied Energy, MJ/kg 99
63
Embodied Water, L/kg 98
290

Common Calculations

Stiffness to Weight: Axial, points 14
8.2
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 25 to 73
10 to 18
Strength to Weight: Bending, points 22 to 45
12 to 17
Thermal Diffusivity, mm2/s 8.0
12
Thermal Shock Resistance, points 23 to 66
12 to 20

Alloy Composition

Carbon (C), % 0.78 to 0.88
0
Chromium (Cr), % 3.5 to 4.0
0
Copper (Cu), % 0 to 0.25
73.5 to 80.5
Iron (Fe), % 81 to 84.8
0.5 to 1.0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 8.2 to 9.2
0
Nickel (Ni), % 0 to 0.3
19 to 23
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.0 to 1.4
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5