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C70250 Copper vs. EN 1.4361 Stainless Steel

C70250 copper belongs to the copper alloys classification, while EN 1.4361 stainless steel belongs to the iron alloys. There are 24 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 C70250 copper and the bottom bar is EN 1.4361 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
75
Tensile Strength: Ultimate (UTS), MPa 520 to 740
630

Thermal Properties

Latent Heat of Fusion, J/g 220
350
Maximum Temperature: Mechanical, °C 210
940
Melting Completion (Liquidus), °C 1100
1370
Melting Onset (Solidus), °C 1080
1330
Specific Heat Capacity, J/kg-K 390
490
Thermal Conductivity, W/m-K 170
14
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36 to 50
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 37 to 51
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 31
19
Density, g/cm3 8.9
7.6
Embodied Carbon, kg CO2/kg material 2.9
3.6
Embodied Energy, MJ/kg 45
52
Embodied Water, L/kg 310
150

Common Calculations

Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 16 to 23
23
Strength to Weight: Bending, points 16 to 21
21
Thermal Diffusivity, mm2/s 49
3.7
Thermal Shock Resistance, points 18 to 26
15

Alloy Composition

Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0
16.5 to 18.5
Copper (Cu), % 92.7 to 97.5
0
Iron (Fe), % 0
58.7 to 65.8
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0.050 to 0.3
0
Manganese (Mn), % 0 to 0.1
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 2.2 to 4.2
14 to 16
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0.25 to 1.2
3.7 to 4.5
Sulfur (S), % 0
0 to 0.010
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0