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C55181 Copper vs. EN 1.4958 Stainless Steel

C55181 copper belongs to the copper alloys classification, while EN 1.4958 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 C55181 copper and the bottom bar is EN 1.4958 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
77
Tensile Strength: Ultimate (UTS), MPa 200
630

Thermal Properties

Latent Heat of Fusion, J/g 190
300
Maximum Temperature: Mechanical, °C 200
1090
Melting Completion (Liquidus), °C 790
1400
Melting Onset (Solidus), °C 710
1350
Specific Heat Capacity, J/kg-K 410
480
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Base Metal Price, % relative 28
30
Density, g/cm3 8.5
8.0
Embodied Carbon, kg CO2/kg material 2.4
5.3
Embodied Energy, MJ/kg 38
75
Embodied Water, L/kg 290
200

Common Calculations

Stiffness to Weight: Axial, points 7.0
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 6.5
22
Strength to Weight: Bending, points 8.9
20
Thermal Shock Resistance, points 8.2
15

Alloy Composition

Aluminum (Al), % 0
0.2 to 0.5
Carbon (C), % 0
0.030 to 0.080
Chromium (Cr), % 0
19 to 22
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 92.4 to 93
0 to 0.5
Iron (Fe), % 0
41.1 to 50.6
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0
30 to 32.5
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 7.0 to 7.5
0 to 0.015
Silicon (Si), % 0
0 to 0.7
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0.2 to 0.5
Residuals, % 0 to 0.15
0