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C81400 Copper vs. AISI 415 Stainless Steel

C81400 copper belongs to the copper alloys classification, while AISI 415 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C81400 copper and the bottom bar is AISI 415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 11
17
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 41
76
Tensile Strength: Ultimate (UTS), MPa 370
900
Tensile Strength: Yield (Proof), MPa 250
700

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Maximum Temperature: Mechanical, °C 200
780
Melting Completion (Liquidus), °C 1090
1450
Melting Onset (Solidus), °C 1070
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 260
24
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 61
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 33
11
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 2.8
2.5
Embodied Energy, MJ/kg 45
35
Embodied Water, L/kg 310
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
140
Resilience: Unit (Modulus of Resilience), kJ/m3 260
1250
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 11
32
Strength to Weight: Bending, points 13
26
Thermal Diffusivity, mm2/s 75
6.4
Thermal Shock Resistance, points 13
33

Alloy Composition

Beryllium (Be), % 0.020 to 0.1
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0.6 to 1.0
11.5 to 14
Copper (Cu), % 98.4 to 99.38
0
Iron (Fe), % 0
77.8 to 84
Manganese (Mn), % 0
0.5 to 1.0
Molybdenum (Mo), % 0
0.5 to 1.0
Nickel (Ni), % 0
3.5 to 5.5
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.5
0