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C82700 Copper vs. EN 1.4424 Stainless Steel

C82700 copper belongs to the copper alloys classification, while EN 1.4424 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C82700 copper and the bottom bar is EN 1.4424 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 1.8
28
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 46
78
Tensile Strength: Ultimate (UTS), MPa 1200
800
Tensile Strength: Yield (Proof), MPa 1020
480 to 500

Thermal Properties

Latent Heat of Fusion, J/g 240
310
Maximum Temperature: Mechanical, °C 300
960
Melting Completion (Liquidus), °C 950
1430
Melting Onset (Solidus), °C 860
1390
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 130
13
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 21
2.5

Otherwise Unclassified Properties

Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 12
3.4
Embodied Energy, MJ/kg 180
46
Embodied Water, L/kg 310
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
190 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 4260
580 to 640
Stiffness to Weight: Axial, points 7.8
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 38
29
Strength to Weight: Bending, points 29
25
Thermal Diffusivity, mm2/s 39
3.5
Thermal Shock Resistance, points 41
23

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Beryllium (Be), % 2.4 to 2.6
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0 to 0.090
18 to 19
Copper (Cu), % 94.6 to 96.7
0
Iron (Fe), % 0 to 0.25
68.6 to 72.4
Lead (Pb), % 0 to 0.020
0
Manganese (Mn), % 0
1.2 to 2.0
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 1.0 to 1.5
4.5 to 5.2
Nitrogen (N), % 0
0.050 to 0.1
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.15
1.4 to 2.0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.5
0