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SAE-AISI M4 Steel vs. C17300 Copper

SAE-AISI M4 steel belongs to the iron alloys classification, while C17300 copper belongs to the copper alloys. 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 M4 steel and the bottom bar is C17300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 76
45
Tensile Strength: Ultimate (UTS), MPa 770 to 2150
500 to 1380

Thermal Properties

Latent Heat of Fusion, J/g 260
230
Melting Completion (Liquidus), °C 1610
980
Melting Onset (Solidus), °C 1560
870
Specific Heat Capacity, J/kg-K 440
380
Thermal Conductivity, W/m-K 25
110
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Density, g/cm3 8.3
8.8
Embodied Carbon, kg CO2/kg material 14
9.4
Embodied Energy, MJ/kg 210
150
Embodied Water, L/kg 110
310

Common Calculations

Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 26 to 72
16 to 44
Strength to Weight: Bending, points 23 to 45
16 to 31
Thermal Diffusivity, mm2/s 6.9
32
Thermal Shock Resistance, points 24 to 68
17 to 48

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Beryllium (Be), % 0
1.8 to 2.0
Carbon (C), % 1.3 to 1.4
0
Chromium (Cr), % 3.8 to 4.8
0
Copper (Cu), % 0 to 0.25
95.5 to 97.8
Iron (Fe), % 75.9 to 81.4
0 to 0.4
Lead (Pb), % 0
0.2 to 0.6
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 4.3 to 5.5
0
Nickel (Ni), % 0 to 0.3
0.2 to 0.6
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.45
0 to 0.2
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 5.3 to 6.5
0
Vanadium (V), % 3.8 to 4.5
0
Residuals, % 0
0 to 0.5