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C81400 Copper vs. EN 1.4724 Stainless Steel

C81400 copper belongs to the copper alloys classification, while EN 1.4724 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 1.4724 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 11
16
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 41
75
Tensile Strength: Ultimate (UTS), MPa 370
550
Tensile Strength: Yield (Proof), MPa 250
280

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 200
850
Melting Completion (Liquidus), °C 1090
1430
Melting Onset (Solidus), °C 1070
1390
Specific Heat Capacity, J/kg-K 390
490
Thermal Conductivity, W/m-K 260
21
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 61
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 33
7.0
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.0
Embodied Energy, MJ/kg 45
28
Embodied Water, L/kg 310
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
73
Resilience: Unit (Modulus of Resilience), kJ/m3 260
210
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 11
20
Strength to Weight: Bending, points 13
19
Thermal Diffusivity, mm2/s 75
5.6
Thermal Shock Resistance, points 13
19

Alloy Composition

Aluminum (Al), % 0
0.7 to 1.2
Beryllium (Be), % 0.020 to 0.1
0
Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0.6 to 1.0
12 to 14
Copper (Cu), % 98.4 to 99.38
0
Iron (Fe), % 0
82.2 to 86.6
Manganese (Mn), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0.7 to 1.4
Sulfur (S), % 0
0 to 0.015
Residuals, % 0 to 0.5
0