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C14500 Copper vs. EN 1.4729 Stainless Steel

C14500 copper belongs to the copper alloys classification, while EN 1.4729 stainless steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is C14500 copper and the bottom bar is EN 1.4729 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 12 to 50
15
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
75

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
850
Melting Completion (Liquidus), °C 1080
1420
Melting Onset (Solidus), °C 1050
1380
Specific Heat Capacity, J/kg-K 390
490
Thermal Conductivity, W/m-K 360
24
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 94
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 95
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 33
7.5
Density, g/cm3 8.9
7.6
Embodied Carbon, kg CO2/kg material 2.6
2.1
Embodied Energy, MJ/kg 42
29
Embodied Water, L/kg 310
100

Common Calculations

Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Thermal Diffusivity, mm2/s 100
6.5

Alloy Composition

Carbon (C), % 0
0.3 to 0.5
Chromium (Cr), % 0
12 to 14
Copper (Cu), % 99.2 to 99.596
0
Iron (Fe), % 0
80.4 to 86.7
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0.0040 to 0.012
0 to 0.040
Silicon (Si), % 0
1.0 to 2.5
Sulfur (S), % 0
0 to 0.030
Tellurium (Te), % 0.4 to 0.7
0