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C70250 Copper vs. EN 1.4835 Stainless Steel

C70250 copper belongs to the copper alloys classification, while EN 1.4835 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C70250 copper and the bottom bar is EN 1.4835 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
750

Thermal Properties

Latent Heat of Fusion, J/g 220
320
Maximum Temperature: Mechanical, °C 210
1150
Melting Completion (Liquidus), °C 1100
1400
Melting Onset (Solidus), °C 1080
1360
Specific Heat Capacity, J/kg-K 390
490
Thermal Conductivity, W/m-K 170
15
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36 to 50
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 37 to 51
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 31
17
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 2.9
3.3
Embodied Energy, MJ/kg 45
47
Embodied Water, L/kg 310
160

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
27
Strength to Weight: Bending, points 16 to 21
24
Thermal Diffusivity, mm2/s 49
4.0
Thermal Shock Resistance, points 18 to 26
16

Alloy Composition

Carbon (C), % 0
0.050 to 0.12
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 0
20 to 22
Copper (Cu), % 92.7 to 97.5
0
Iron (Fe), % 0
62 to 68.4
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0.050 to 0.3
0
Manganese (Mn), % 0 to 0.1
0 to 1.0
Nickel (Ni), % 2.2 to 4.2
10 to 12
Nitrogen (N), % 0
0.12 to 0.2
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0.25 to 1.2
1.4 to 2.5
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0