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C18600 Copper vs. S30415 Stainless Steel

C18600 copper belongs to the copper alloys classification, while S30415 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C18600 copper and the bottom bar is S30415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 8.0 to 11
45
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
77
Shear Strength, MPa 310 to 340
470
Tensile Strength: Ultimate (UTS), MPa 520 to 580
670
Tensile Strength: Yield (Proof), MPa 500 to 520
330

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
940
Melting Completion (Liquidus), °C 1090
1410
Melting Onset (Solidus), °C 1070
1370
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 280
21
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 70
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 71
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 31
15
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 2.9
3.1
Embodied Energy, MJ/kg 46
43
Embodied Water, L/kg 310
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44 to 58
250
Resilience: Unit (Modulus of Resilience), kJ/m3 1060 to 1180
280
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 16 to 18
24
Strength to Weight: Bending, points 16 to 17
22
Thermal Diffusivity, mm2/s 81
5.6
Thermal Shock Resistance, points 19 to 20
15

Alloy Composition

Carbon (C), % 0
0.040 to 0.060
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 0.1 to 1.0
18 to 19
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 96.5 to 99.55
0
Iron (Fe), % 0.25 to 0.8
67.8 to 71.8
Manganese (Mn), % 0
0 to 0.8
Nickel (Ni), % 0 to 0.25
9.0 to 10
Nitrogen (N), % 0
0.12 to 0.18
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
1.0 to 2.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0.050 to 0.5
0
Zirconium (Zr), % 0.050 to 0.4
0
Residuals, % 0 to 0.5
0