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C70250 Copper vs. AISI 205 Stainless Steel

C70250 copper belongs to the copper alloys classification, while AISI 205 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is C70250 copper and the bottom bar is AISI 205 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
77
Tensile Strength: Ultimate (UTS), MPa 520 to 740
800 to 1430

Thermal Properties

Latent Heat of Fusion, J/g 220
280
Maximum Temperature: Mechanical, °C 210
880
Melting Completion (Liquidus), °C 1100
1380
Melting Onset (Solidus), °C 1080
1340
Specific Heat Capacity, J/kg-K 390
480
Thermal Expansion, µm/m-K 17
18

Otherwise Unclassified Properties

Base Metal Price, % relative 31
11
Density, g/cm3 8.9
7.6
Embodied Carbon, kg CO2/kg material 2.9
2.6
Embodied Energy, MJ/kg 45
37
Embodied Water, L/kg 310
150

Common Calculations

Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 18
26
Strength to Weight: Axial, points 16 to 23
29 to 52
Strength to Weight: Bending, points 16 to 21
25 to 37
Thermal Shock Resistance, points 18 to 26
16 to 29

Alloy Composition

Carbon (C), % 0
0.12 to 0.25
Chromium (Cr), % 0
16.5 to 18.5
Copper (Cu), % 92.7 to 97.5
0
Iron (Fe), % 0
62.6 to 68.1
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0.050 to 0.3
0
Manganese (Mn), % 0 to 0.1
14 to 15.5
Nickel (Ni), % 2.2 to 4.2
1.0 to 1.7
Nitrogen (N), % 0
0.32 to 0.4
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 0.25 to 1.2
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0