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C82800 Copper vs. EN 1.4938 Stainless Steel

C82800 copper belongs to the copper alloys classification, while EN 1.4938 stainless steel belongs to the iron alloys. There are 27 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 C82800 copper and the bottom bar is EN 1.4938 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 1.0 to 20
16 to 17
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 46
76
Tensile Strength: Ultimate (UTS), MPa 670 to 1140
870 to 1030
Tensile Strength: Yield (Proof), MPa 380 to 1000
640 to 870

Thermal Properties

Latent Heat of Fusion, J/g 240
270
Maximum Temperature: Mechanical, °C 310
750
Melting Completion (Liquidus), °C 930
1460
Melting Onset (Solidus), °C 890
1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 120
30
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 19
3.3

Otherwise Unclassified Properties

Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 12
3.3
Embodied Energy, MJ/kg 190
47
Embodied Water, L/kg 310
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 110
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 590 to 4080
1050 to 1920
Stiffness to Weight: Axial, points 7.8
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 21 to 36
31 to 37
Strength to Weight: Bending, points 20 to 28
26 to 29
Thermal Diffusivity, mm2/s 36
8.1
Thermal Shock Resistance, points 23 to 39
30 to 35

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Beryllium (Be), % 2.5 to 2.9
0
Carbon (C), % 0
0.080 to 0.15
Chromium (Cr), % 0 to 0.1
11 to 12.5
Cobalt (Co), % 0.15 to 0.7
0
Copper (Cu), % 94.6 to 97.2
0
Iron (Fe), % 0 to 0.25
80.5 to 84.8
Lead (Pb), % 0 to 0.020
0
Manganese (Mn), % 0
0.4 to 0.9
Molybdenum (Mo), % 0
1.5 to 2.0
Nickel (Ni), % 0 to 0.2
2.0 to 3.0
Nitrogen (N), % 0
0.020 to 0.040
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0.2 to 0.35
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.12
0
Vanadium (V), % 0
0.25 to 0.4
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.5
0