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C81400 Copper vs. EN 1.4541 Stainless Steel

C81400 copper belongs to the copper alloys classification, while EN 1.4541 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C81400 copper and the bottom bar is EN 1.4541 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 11
14 to 40
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 41
77
Tensile Strength: Ultimate (UTS), MPa 370
600 to 900
Tensile Strength: Yield (Proof), MPa 250
220 to 570

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 200
940
Melting Completion (Liquidus), °C 1090
1430
Melting Onset (Solidus), °C 1070
1380
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 260
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 61
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 33
16
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.2
Embodied Energy, MJ/kg 45
46
Embodied Water, L/kg 310
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
110 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 260
120 to 830
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 11
21 to 32
Strength to Weight: Bending, points 13
20 to 27
Thermal Diffusivity, mm2/s 75
4.0
Thermal Shock Resistance, points 13
14 to 20

Alloy Composition

Beryllium (Be), % 0.020 to 0.1
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0.6 to 1.0
17 to 19
Copper (Cu), % 98.4 to 99.38
0
Iron (Fe), % 0
65.2 to 74
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
9.0 to 12
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0 to 0.7
Residuals, % 0 to 0.5
0