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C14181 Copper vs. EN 1.4938 Stainless Steel

C14181 copper belongs to the copper alloys classification, while EN 1.4938 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C14181 copper and the bottom bar is EN 1.4938 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 15
16 to 17
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
76
Tensile Strength: Ultimate (UTS), MPa 210
870 to 1030
Tensile Strength: Yield (Proof), MPa 130
640 to 870

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Maximum Temperature: Mechanical, °C 200
750
Melting Completion (Liquidus), °C 1080
1460
Melting Onset (Solidus), °C 1080
1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 380
30
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 31
10
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.6
3.3
Embodied Energy, MJ/kg 41
47
Embodied Water, L/kg 310
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 69
1050 to 1920
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.5
31 to 37
Strength to Weight: Bending, points 8.8
26 to 29
Thermal Diffusivity, mm2/s 110
8.1
Thermal Shock Resistance, points 7.4
30 to 35

Alloy Composition

Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0 to 0.0050
0.080 to 0.15
Chromium (Cr), % 0
11 to 12.5
Copper (Cu), % 99.9 to 100
0
Iron (Fe), % 0
80.5 to 84.8
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
0.4 to 0.9
Molybdenum (Mo), % 0
1.5 to 2.0
Nickel (Ni), % 0
2.0 to 3.0
Nitrogen (N), % 0
0.020 to 0.040
Phosphorus (P), % 0 to 0.0020
0 to 0.025
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Vanadium (V), % 0
0.25 to 0.4
Zinc (Zn), % 0 to 0.0020
0