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C81400 Copper vs. S41003 Stainless Steel

C81400 copper belongs to the copper alloys classification, while S41003 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C81400 copper and the bottom bar is S41003 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 11
21
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 41
76
Tensile Strength: Ultimate (UTS), MPa 370
520
Tensile Strength: Yield (Proof), MPa 250
310

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Maximum Temperature: Mechanical, °C 200
720
Melting Completion (Liquidus), °C 1090
1440
Melting Onset (Solidus), °C 1070
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 260
27
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 61
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 33
7.0
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.9
Embodied Energy, MJ/kg 45
27
Embodied Water, L/kg 310
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
92
Resilience: Unit (Modulus of Resilience), kJ/m3 260
240
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 11
19
Strength to Weight: Bending, points 13
18
Thermal Diffusivity, mm2/s 75
7.2
Thermal Shock Resistance, points 13
19

Alloy Composition

Beryllium (Be), % 0.020 to 0.1
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0.6 to 1.0
10.5 to 12.5
Copper (Cu), % 98.4 to 99.38
0
Iron (Fe), % 0
83.4 to 89.5
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0
0 to 1.5
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.5
0