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C14181 Copper vs. EN 1.4618 Stainless Steel

C14181 copper belongs to the copper alloys classification, while EN 1.4618 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C14181 copper and the bottom bar is EN 1.4618 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 15
51
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
77
Tensile Strength: Ultimate (UTS), MPa 210
680 to 700
Tensile Strength: Yield (Proof), MPa 130
250 to 260

Thermal Properties

Latent Heat of Fusion, J/g 210
280
Maximum Temperature: Mechanical, °C 200
900
Melting Completion (Liquidus), °C 1080
1400
Melting Onset (Solidus), °C 1080
1360
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 380
15
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 31
13
Density, g/cm3 9.0
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 41
39
Embodied Water, L/kg 310
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
270 to 280
Resilience: Unit (Modulus of Resilience), kJ/m3 69
160 to 170
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.5
24 to 25
Strength to Weight: Bending, points 8.8
22 to 23
Thermal Diffusivity, mm2/s 110
4.0
Thermal Shock Resistance, points 7.4
15 to 16

Alloy Composition

Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0 to 0.0050
0 to 0.1
Chromium (Cr), % 0
16.5 to 18.5
Copper (Cu), % 99.9 to 100
1.0 to 2.5
Iron (Fe), % 0
62.7 to 72.5
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
5.5 to 9.5
Nickel (Ni), % 0
4.5 to 5.5
Nitrogen (N), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.0020
0 to 0.070
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Zinc (Zn), % 0 to 0.0020
0