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C18200 Copper vs. S30615 Stainless Steel

C18200 copper belongs to the copper alloys classification, while S30615 stainless steel belongs to the iron alloys. There are 28 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 C18200 copper and the bottom bar is S30615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 11 to 40
39
Poisson's Ratio 0.34
0.28
Rockwell B Hardness 65 to 82
84
Shear Modulus, GPa 44
75
Shear Strength, MPa 210 to 320
470
Tensile Strength: Ultimate (UTS), MPa 310 to 530
690
Tensile Strength: Yield (Proof), MPa 97 to 450
310

Thermal Properties

Latent Heat of Fusion, J/g 210
340
Maximum Temperature: Mechanical, °C 200
960
Melting Completion (Liquidus), °C 1080
1370
Melting Onset (Solidus), °C 1070
1320
Specific Heat Capacity, J/kg-K 390
500
Thermal Conductivity, W/m-K 320
14
Thermal Expansion, µm/m-K 18
16

Otherwise Unclassified Properties

Base Metal Price, % relative 31
19
Density, g/cm3 8.9
7.6
Embodied Carbon, kg CO2/kg material 2.6
3.7
Embodied Energy, MJ/kg 41
53
Embodied Water, L/kg 310
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 43 to 96
220
Resilience: Unit (Modulus of Resilience), kJ/m3 40 to 860
260
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 9.6 to 16
25
Strength to Weight: Bending, points 11 to 16
23
Thermal Diffusivity, mm2/s 93
3.7
Thermal Shock Resistance, points 11 to 18
16

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.5
Carbon (C), % 0
0.16 to 0.24
Chromium (Cr), % 0.6 to 1.2
17 to 19.5
Copper (Cu), % 98.6 to 99.4
0
Iron (Fe), % 0 to 0.1
56.7 to 65.3
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
13.5 to 16
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.1
3.2 to 4.0
Sulfur (S), % 0
0 to 0.030