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C12200 Copper vs. S32750 Stainless Steel

C12200 copper belongs to the copper alloys classification, while S32750 stainless steel belongs to the iron alloys. There are 29 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 C12200 copper and the bottom bar is S32750 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 3.2 to 50
17
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 43
81
Shear Strength, MPa 150 to 240
530
Tensile Strength: Ultimate (UTS), MPa 220 to 410
860
Tensile Strength: Yield (Proof), MPa 69 to 400
590

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1080
1450
Melting Onset (Solidus), °C 1030
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 340
15
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 85
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 85
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 31
21
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.6
4.1
Embodied Energy, MJ/kg 41
56
Embodied Water, L/kg 310
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 91
130
Resilience: Unit (Modulus of Resilience), kJ/m3 21 to 690
860
Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.9 to 13
31
Strength to Weight: Bending, points 9.1 to 14
26
Thermal Diffusivity, mm2/s 98
4.0
Thermal Shock Resistance, points 7.9 to 15
25

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 99.9 to 99.985
0 to 0.5
Iron (Fe), % 0
58.1 to 66.8
Manganese (Mn), % 0
0 to 1.2
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.32
Phosphorus (P), % 0.015 to 0.040
0 to 0.035
Silicon (Si), % 0
0 to 0.8
Sulfur (S), % 0
0 to 0.020