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C81400 Copper vs. EN 1.4376 Stainless Steel

C81400 copper belongs to the copper alloys classification, while EN 1.4376 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C81400 copper and the bottom bar is EN 1.4376 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 11
45
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 41
77
Tensile Strength: Ultimate (UTS), MPa 370
750
Tensile Strength: Yield (Proof), MPa 250
450

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 200
930
Melting Completion (Liquidus), °C 1090
1410
Melting Onset (Solidus), °C 1070
1370
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 260
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 61
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 33
12
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 45
37
Embodied Water, L/kg 310
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
290
Resilience: Unit (Modulus of Resilience), kJ/m3 260
520
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 11
27
Strength to Weight: Bending, points 13
24
Thermal Diffusivity, mm2/s 75
4.0
Thermal Shock Resistance, points 13
17

Alloy Composition

Beryllium (Be), % 0.020 to 0.1
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0.6 to 1.0
17 to 20.5
Copper (Cu), % 98.4 to 99.38
0
Iron (Fe), % 0
65.5 to 76
Manganese (Mn), % 0
5.0 to 8.0
Nickel (Ni), % 0
2.0 to 4.5
Nitrogen (N), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Residuals, % 0 to 0.5
0