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C17300 Copper vs. EN 1.4374 Stainless Steel

C17300 copper belongs to the copper alloys classification, while EN 1.4374 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 C17300 copper and the bottom bar is EN 1.4374 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 3.0 to 23
40
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 45
77
Shear Strength, MPa 320 to 790
550
Tensile Strength: Ultimate (UTS), MPa 500 to 1380
800
Tensile Strength: Yield (Proof), MPa 160 to 1200
400

Thermal Properties

Latent Heat of Fusion, J/g 230
290
Maximum Temperature: Mechanical, °C 270
920
Melting Completion (Liquidus), °C 980
1400
Melting Onset (Solidus), °C 870
1360
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 110
15
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 23
2.9

Otherwise Unclassified Properties

Density, g/cm3 8.8
7.7
Embodied Carbon, kg CO2/kg material 9.4
2.9
Embodied Energy, MJ/kg 150
42
Embodied Water, L/kg 310
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40 to 88
270
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 5410
400
Stiffness to Weight: Axial, points 7.6
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 16 to 44
29
Strength to Weight: Bending, points 16 to 31
25
Thermal Diffusivity, mm2/s 32
4.0
Thermal Shock Resistance, points 17 to 48
17

Alloy Composition

Aluminum (Al), % 0 to 0.2
0
Beryllium (Be), % 1.8 to 2.0
0
Carbon (C), % 0
0.050 to 0.1
Chromium (Cr), % 0
17.5 to 18.5
Copper (Cu), % 95.5 to 97.8
0 to 0.4
Iron (Fe), % 0 to 0.4
63.5 to 67.9
Lead (Pb), % 0.2 to 0.6
0
Manganese (Mn), % 0
9.0 to 10
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0.2 to 0.6
5.0 to 6.0
Nitrogen (N), % 0
0.25 to 0.32
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.2
0.3 to 0.6
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.5
0