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C18100 Copper vs. EN 1.4034 Stainless Steel

C18100 copper belongs to the copper alloys classification, while EN 1.4034 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 1.4034 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 8.3
11 to 14
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 47
76
Shear Strength, MPa 300
420 to 540
Tensile Strength: Ultimate (UTS), MPa 510
690 to 900
Tensile Strength: Yield (Proof), MPa 460
390 to 730

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Maximum Temperature: Mechanical, °C 200
770
Melting Completion (Liquidus), °C 1080
1440
Melting Onset (Solidus), °C 1020
1390
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 320
30
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 80
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 81
3.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
7.0
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.0
Embodied Energy, MJ/kg 43
27
Embodied Water, L/kg 310
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
81 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 900
400 to 1370
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 16
25 to 32
Strength to Weight: Bending, points 16
22 to 27
Thermal Diffusivity, mm2/s 94
8.1
Thermal Shock Resistance, points 18
24 to 32

Alloy Composition

Carbon (C), % 0
0.43 to 0.5
Chromium (Cr), % 0.4 to 1.2
12.5 to 14.5
Copper (Cu), % 98.7 to 99.49
0
Iron (Fe), % 0
83 to 87.1
Magnesium (Mg), % 0.030 to 0.060
0
Manganese (Mn), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Zirconium (Zr), % 0.080 to 0.2
0
Residuals, % 0 to 0.5
0