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C19100 Copper vs. EN 1.4740 Stainless Steel

C19100 copper belongs to the copper alloys classification, while EN 1.4740 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 C19100 copper and the bottom bar is EN 1.4740 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 17 to 37
22
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
77

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
900
Melting Completion (Liquidus), °C 1080
1420
Melting Onset (Solidus), °C 1040
1370
Specific Heat Capacity, J/kg-K 390
490
Thermal Conductivity, W/m-K 250
18
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 55
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 56
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 33
9.5
Density, g/cm3 8.9
7.6
Embodied Carbon, kg CO2/kg material 2.7
2.3
Embodied Energy, MJ/kg 43
32
Embodied Water, L/kg 310
120

Common Calculations

Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Thermal Diffusivity, mm2/s 73
4.8

Alloy Composition

Carbon (C), % 0
0.3 to 0.5
Chromium (Cr), % 0
16 to 19
Copper (Cu), % 96.5 to 98.6
0
Iron (Fe), % 0 to 0.2
75.4 to 82.7
Lead (Pb), % 0 to 0.1
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0.9 to 1.3
0 to 1.0
Phosphorus (P), % 0.15 to 0.35
0 to 0.040
Silicon (Si), % 0
1.0 to 2.5
Sulfur (S), % 0
0 to 0.030
Tellurium (Te), % 0.35 to 0.6
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.5
0