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C81400 Copper vs. EN 1.4911 Stainless Steel

C81400 copper belongs to the copper alloys classification, while EN 1.4911 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C81400 copper and the bottom bar is EN 1.4911 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 11
11
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 41
76
Tensile Strength: Ultimate (UTS), MPa 370
1070
Tensile Strength: Yield (Proof), MPa 250
970

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Maximum Temperature: Mechanical, °C 200
700
Melting Completion (Liquidus), °C 1090
1450
Melting Onset (Solidus), °C 1070
1410
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 260
20
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 61
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 33
20
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 2.8
3.4
Embodied Energy, MJ/kg 45
49
Embodied Water, L/kg 310
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
120
Resilience: Unit (Modulus of Resilience), kJ/m3 260
2410
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 11
38
Strength to Weight: Bending, points 13
30
Thermal Diffusivity, mm2/s 75
5.4
Thermal Shock Resistance, points 13
37

Alloy Composition

Beryllium (Be), % 0.020 to 0.1
0
Boron (B), % 0
0.0050 to 0.015
Carbon (C), % 0
0.050 to 0.12
Chromium (Cr), % 0.6 to 1.0
9.8 to 11.2
Cobalt (Co), % 0
5.0 to 7.0
Copper (Cu), % 98.4 to 99.38
0
Iron (Fe), % 0
75.7 to 83.8
Manganese (Mn), % 0
0.3 to 1.3
Molybdenum (Mo), % 0
0.5 to 1.0
Nickel (Ni), % 0
0.2 to 1.2
Niobium (Nb), % 0
0.2 to 0.5
Nitrogen (N), % 0
0 to 0.035
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0.1 to 0.8
Sulfur (S), % 0
0 to 0.015
Tungsten (W), % 0
0 to 0.7
Vanadium (V), % 0
0.1 to 0.4
Residuals, % 0 to 0.5
0