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C14700 Copper vs. S41050 Stainless Steel

C14700 copper belongs to the copper alloys classification, while S41050 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C14700 copper and the bottom bar is S41050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 9.1 to 35
25
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
76
Shear Strength, MPa 160 to 190
300
Tensile Strength: Ultimate (UTS), MPa 240 to 320
470
Tensile Strength: Yield (Proof), MPa 85 to 250
230

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Maximum Temperature: Mechanical, °C 200
720
Melting Completion (Liquidus), °C 1080
1440
Melting Onset (Solidus), °C 1070
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 370
27
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 95
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 96
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 30
7.0
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.9
Embodied Energy, MJ/kg 41
27
Embodied Water, L/kg 310
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 65
98
Resilience: Unit (Modulus of Resilience), kJ/m3 31 to 280
140
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 7.3 to 10
17
Strength to Weight: Bending, points 9.5 to 12
17
Thermal Diffusivity, mm2/s 110
7.2
Thermal Shock Resistance, points 8.4 to 12
17

Alloy Composition

Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0
10.5 to 12.5
Copper (Cu), % 99.395 to 99.798
0
Iron (Fe), % 0
84.2 to 88.9
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
0.6 to 1.1
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0.0020 to 0.0050
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0.2 to 0.5
0 to 0.030
Residuals, % 0 to 0.1
0