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C18100 Copper vs. EN 1.4361 Stainless Steel

C18100 copper belongs to the copper alloys classification, while EN 1.4361 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 1.4361 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 8.3
43
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 47
75
Shear Strength, MPa 300
440
Tensile Strength: Ultimate (UTS), MPa 510
630
Tensile Strength: Yield (Proof), MPa 460
250

Thermal Properties

Latent Heat of Fusion, J/g 210
350
Maximum Temperature: Mechanical, °C 200
940
Melting Completion (Liquidus), °C 1080
1370
Melting Onset (Solidus), °C 1020
1330
Specific Heat Capacity, J/kg-K 390
490
Thermal Conductivity, W/m-K 320
14
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 80
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 81
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 31
19
Density, g/cm3 8.9
7.6
Embodied Carbon, kg CO2/kg material 2.7
3.6
Embodied Energy, MJ/kg 43
52
Embodied Water, L/kg 310
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
220
Resilience: Unit (Modulus of Resilience), kJ/m3 900
160
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 16
23
Strength to Weight: Bending, points 16
21
Thermal Diffusivity, mm2/s 94
3.7
Thermal Shock Resistance, points 18
15

Alloy Composition

Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0.4 to 1.2
16.5 to 18.5
Copper (Cu), % 98.7 to 99.49
0
Iron (Fe), % 0
58.7 to 65.8
Magnesium (Mg), % 0.030 to 0.060
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0
14 to 16
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
3.7 to 4.5
Sulfur (S), % 0
0 to 0.010
Zirconium (Zr), % 0.080 to 0.2
0
Residuals, % 0 to 0.5
0