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C12200 Copper vs. S35125 Stainless Steel

C12200 copper belongs to the copper alloys classification, while S35125 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 C12200 copper and the bottom bar is S35125 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 3.2 to 50
39
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
78
Shear Strength, MPa 150 to 240
370
Tensile Strength: Ultimate (UTS), MPa 220 to 410
540
Tensile Strength: Yield (Proof), MPa 69 to 400
230

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1080
1430
Melting Onset (Solidus), °C 1030
1380
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 340
12
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 85
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 85
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 31
36
Density, g/cm3 9.0
8.1
Embodied Carbon, kg CO2/kg material 2.6
6.4
Embodied Energy, MJ/kg 41
89
Embodied Water, L/kg 310
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 91
170
Resilience: Unit (Modulus of Resilience), kJ/m3 21 to 690
140
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 6.9 to 13
19
Strength to Weight: Bending, points 9.1 to 14
18
Thermal Diffusivity, mm2/s 98
3.1
Thermal Shock Resistance, points 7.9 to 15
12

Alloy Composition

Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
20 to 23
Copper (Cu), % 99.9 to 99.985
0
Iron (Fe), % 0
36.2 to 45.8
Manganese (Mn), % 0
1.0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
31 to 35
Niobium (Nb), % 0
0.25 to 0.6
Phosphorus (P), % 0.015 to 0.040
0 to 0.045
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.015