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C70250 Copper vs. EN 1.4658 Stainless Steel

C70250 copper belongs to the copper alloys classification, while EN 1.4658 stainless steel belongs to the iron alloys. There are 22 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 C70250 copper and the bottom bar is EN 1.4658 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 44
81
Tensile Strength: Ultimate (UTS), MPa 520 to 740
900

Thermal Properties

Latent Heat of Fusion, J/g 220
300
Maximum Temperature: Mechanical, °C 210
1100
Melting Completion (Liquidus), °C 1100
1450
Melting Onset (Solidus), °C 1080
1400
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 170
16
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 31
25
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 2.9
4.5
Embodied Energy, MJ/kg 45
61
Embodied Water, L/kg 310
200

Common Calculations

Stiffness to Weight: Axial, points 7.4
15
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 16 to 23
32
Strength to Weight: Bending, points 16 to 21
26
Thermal Diffusivity, mm2/s 49
4.3
Thermal Shock Resistance, points 18 to 26
24

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
26 to 29
Cobalt (Co), % 0
0.5 to 2.0
Copper (Cu), % 92.7 to 97.5
0 to 1.0
Iron (Fe), % 0
50.9 to 63.7
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0.050 to 0.3
0
Manganese (Mn), % 0 to 0.1
0 to 1.5
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 2.2 to 4.2
5.5 to 9.5
Nitrogen (N), % 0
0.3 to 0.5
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0.25 to 1.2
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0