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C12200 Copper vs. S21600 Stainless Steel

C12200 copper belongs to the copper alloys classification, while S21600 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is C12200 copper and the bottom bar is S21600 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 3.2 to 50
46
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
79
Shear Strength, MPa 150 to 240
500
Tensile Strength: Ultimate (UTS), MPa 220 to 410
710
Tensile Strength: Yield (Proof), MPa 69 to 400
390

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 200
990
Melting Completion (Liquidus), °C 1080
1420
Melting Onset (Solidus), °C 1030
1380
Specific Heat Capacity, J/kg-K 390
480
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 31
17
Density, g/cm3 9.0
7.7
Embodied Carbon, kg CO2/kg material 2.6
3.6
Embodied Energy, MJ/kg 41
50
Embodied Water, L/kg 310
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 91
270
Resilience: Unit (Modulus of Resilience), kJ/m3 21 to 690
370
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.9 to 13
25
Strength to Weight: Bending, points 9.1 to 14
23
Thermal Shock Resistance, points 7.9 to 15
15

Alloy Composition

Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
17.5 to 22
Copper (Cu), % 99.9 to 99.985
0
Iron (Fe), % 0
57.6 to 67.8
Manganese (Mn), % 0
7.5 to 9.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
5.0 to 7.0
Nitrogen (N), % 0
0.25 to 0.5
Phosphorus (P), % 0.015 to 0.040
0 to 0.045
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0
0 to 0.030