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C18100 Copper vs. EN 1.4371 Stainless Steel

C18100 copper belongs to the copper alloys classification, while EN 1.4371 stainless steel belongs to the iron alloys. There are 29 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 C18100 copper and the bottom bar is EN 1.4371 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 8.3
45 to 51
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 47
77
Shear Strength, MPa 300
520 to 540
Tensile Strength: Ultimate (UTS), MPa 510
740 to 750
Tensile Strength: Yield (Proof), MPa 460
320 to 340

Thermal Properties

Latent Heat of Fusion, J/g 210
280
Maximum Temperature: Mechanical, °C 200
880
Melting Completion (Liquidus), °C 1080
1410
Melting Onset (Solidus), °C 1020
1370
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 320
15
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 80
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 81
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 31
12
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 43
38
Embodied Water, L/kg 310
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
270 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 900
250 to 300
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 16
27
Strength to Weight: Bending, points 16
24
Thermal Diffusivity, mm2/s 94
4.0
Thermal Shock Resistance, points 18
16

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0.4 to 1.2
16 to 17.5
Copper (Cu), % 98.7 to 99.49
0 to 1.0
Iron (Fe), % 0
66.7 to 74.4
Magnesium (Mg), % 0.030 to 0.060
0
Manganese (Mn), % 0
6.0 to 8.0
Nickel (Ni), % 0
3.5 to 5.5
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Zirconium (Zr), % 0.080 to 0.2
0
Residuals, % 0 to 0.5
0