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C55181 Copper vs. EN 1.3967 Stainless Steel

C55181 copper belongs to the copper alloys classification, while EN 1.3967 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C55181 copper and the bottom bar is EN 1.3967 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 40
79
Tensile Strength: Ultimate (UTS), MPa 200
690

Thermal Properties

Latent Heat of Fusion, J/g 190
300
Maximum Temperature: Mechanical, °C 200
1070
Melting Completion (Liquidus), °C 790
1430
Melting Onset (Solidus), °C 710
1380
Specific Heat Capacity, J/kg-K 410
470
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 28
25
Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 2.4
4.8
Embodied Energy, MJ/kg 38
66
Embodied Water, L/kg 290
180

Common Calculations

Stiffness to Weight: Axial, points 7.0
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 6.5
24
Strength to Weight: Bending, points 8.9
22
Thermal Shock Resistance, points 8.2
15

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
20 to 21.5
Copper (Cu), % 92.4 to 93
0
Iron (Fe), % 0
50.3 to 57.8
Manganese (Mn), % 0
4.0 to 6.0
Molybdenum (Mo), % 0
3.0 to 3.5
Nickel (Ni), % 0
15 to 17
Niobium (Nb), % 0
0 to 0.25
Nitrogen (N), % 0
0.2 to 0.35
Phosphorus (P), % 7.0 to 7.5
0 to 0.025
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Residuals, % 0 to 0.15
0