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SAE-AISI M7 Steel vs. C14500 Copper

SAE-AISI M7 steel belongs to the iron alloys classification, while C14500 copper belongs to the copper alloys. There are 21 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 M7 steel and the bottom bar is C14500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 77
43
Tensile Strength: Ultimate (UTS), MPa 760 to 2210
220 to 330

Thermal Properties

Latent Heat of Fusion, J/g 270
210
Melting Completion (Liquidus), °C 1560
1080
Melting Onset (Solidus), °C 1510
1050
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 28
360
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 18
33
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 8.9
2.6
Embodied Energy, MJ/kg 130
42
Embodied Water, L/kg 100
310

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 26 to 76
6.8 to 10
Strength to Weight: Bending, points 23 to 47
9.1 to 12
Thermal Diffusivity, mm2/s 7.8
100
Thermal Shock Resistance, points 24 to 69
8.0 to 12

Alloy Composition

Carbon (C), % 1.0 to 1.1
0
Chromium (Cr), % 3.5 to 4.0
0
Copper (Cu), % 0 to 0.25
99.2 to 99.596
Iron (Fe), % 79.8 to 83.8
0
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 8.2 to 9.2
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0.0040 to 0.012
Silicon (Si), % 0.2 to 0.55
0
Sulfur (S), % 0 to 0.030
0
Tellurium (Te), % 0
0.4 to 0.7
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.8 to 2.3
0