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C18100 Copper vs. EN 1.4959 Stainless Steel

C18100 copper belongs to the copper alloys classification, while EN 1.4959 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C18100 copper and the bottom bar is EN 1.4959 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
430
Tensile Strength: Ultimate (UTS), MPa 510
630
Tensile Strength: Yield (Proof), MPa 460
190

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1090
Melting Completion (Liquidus), °C 1080
1400
Melting Onset (Solidus), °C 1020
1350
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 320
12
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 80
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 81
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 31
31
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 2.7
5.4
Embodied Energy, MJ/kg 43
76
Embodied Water, L/kg 310
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
190
Resilience: Unit (Modulus of Resilience), kJ/m3 900
96
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 16
22
Strength to Weight: Bending, points 16
20
Thermal Diffusivity, mm2/s 94
3.2
Thermal Shock Resistance, points 18
15

Alloy Composition

Aluminum (Al), % 0
0.25 to 0.65
Carbon (C), % 0
0.050 to 0.1
Chromium (Cr), % 0.4 to 1.2
19 to 22
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 98.7 to 99.49
0 to 0.5
Iron (Fe), % 0
39.4 to 50.5
Magnesium (Mg), % 0.030 to 0.060
0
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0
30 to 34
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.7
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0.25 to 0.65
Zirconium (Zr), % 0.080 to 0.2
0
Residuals, % 0 to 0.5
0