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C18100 Copper vs. EN 1.4369 Stainless Steel

C18100 copper belongs to the copper alloys classification, while EN 1.4369 stainless steel belongs to the iron alloys. There are 29 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 C18100 copper and the bottom bar is EN 1.4369 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 8.3
40
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 47
77
Shear Strength, MPa 300
580
Tensile Strength: Ultimate (UTS), MPa 510
850
Tensile Strength: Yield (Proof), MPa 460
390

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 200
940
Melting Completion (Liquidus), °C 1080
1400
Melting Onset (Solidus), °C 1020
1360
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
14
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 43
43
Embodied Water, L/kg 310
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
280
Resilience: Unit (Modulus of Resilience), kJ/m3 900
380
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 16
31
Strength to Weight: Bending, points 16
26
Thermal Diffusivity, mm2/s 94
4.0
Thermal Shock Resistance, points 18
18

Alloy Composition

Carbon (C), % 0
0.070 to 0.15
Chromium (Cr), % 0.4 to 1.2
17.5 to 19.5
Copper (Cu), % 98.7 to 99.49
0
Iron (Fe), % 0
63 to 70.2
Magnesium (Mg), % 0.030 to 0.060
0
Manganese (Mn), % 0
5.0 to 7.5
Nickel (Ni), % 0
6.5 to 8.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.5 to 1.0
Sulfur (S), % 0
0 to 0.015
Zirconium (Zr), % 0.080 to 0.2
0
Residuals, % 0 to 0.5
0