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C81400 Copper vs. EN 1.4959 Stainless Steel

C81400 copper belongs to the copper alloys classification, while EN 1.4959 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 1.4959 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 11
40
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 41
77
Tensile Strength: Ultimate (UTS), MPa 370
630
Tensile Strength: Yield (Proof), MPa 250
190

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1090
Melting Completion (Liquidus), °C 1090
1400
Melting Onset (Solidus), °C 1070
1350
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 260
12
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 61
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 33
31
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 2.8
5.4
Embodied Energy, MJ/kg 45
76
Embodied Water, L/kg 310
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
190
Resilience: Unit (Modulus of Resilience), kJ/m3 260
96
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 11
22
Strength to Weight: Bending, points 13
20
Thermal Diffusivity, mm2/s 75
3.2
Thermal Shock Resistance, points 13
15

Alloy Composition

Aluminum (Al), % 0
0.25 to 0.65
Beryllium (Be), % 0.020 to 0.1
0
Carbon (C), % 0
0.050 to 0.1
Chromium (Cr), % 0.6 to 1.0
19 to 22
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 98.4 to 99.38
0 to 0.5
Iron (Fe), % 0
39.4 to 50.5
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0
30 to 34
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.7
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0.25 to 0.65
Residuals, % 0 to 0.5
0