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C81400 Copper vs. S30600 Stainless Steel

C81400 copper belongs to the copper alloys classification, while S30600 stainless steel belongs to the iron alloys. There are 28 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 C81400 copper and the bottom bar is S30600 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 11
45
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 41
76
Tensile Strength: Ultimate (UTS), MPa 370
610
Tensile Strength: Yield (Proof), MPa 250
270

Thermal Properties

Latent Heat of Fusion, J/g 210
350
Maximum Temperature: Mechanical, °C 200
950
Melting Completion (Liquidus), °C 1090
1380
Melting Onset (Solidus), °C 1070
1330
Specific Heat Capacity, J/kg-K 390
490
Thermal Conductivity, W/m-K 260
14
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 61
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 33
19
Density, g/cm3 8.9
7.6
Embodied Carbon, kg CO2/kg material 2.8
3.6
Embodied Energy, MJ/kg 45
51
Embodied Water, L/kg 310
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
220
Resilience: Unit (Modulus of Resilience), kJ/m3 260
190
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 11
22
Strength to Weight: Bending, points 13
21
Thermal Diffusivity, mm2/s 75
3.7
Thermal Shock Resistance, points 13
14

Alloy Composition

Beryllium (Be), % 0.020 to 0.1
0
Carbon (C), % 0
0 to 0.018
Chromium (Cr), % 0.6 to 1.0
17 to 18.5
Copper (Cu), % 98.4 to 99.38
0 to 0.5
Iron (Fe), % 0
58.9 to 65.3
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0
14 to 15.5
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
3.7 to 4.3
Sulfur (S), % 0
0 to 0.020
Residuals, % 0 to 0.5
0