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C15100 Copper vs. S41050 Stainless Steel

C15100 copper belongs to the copper alloys classification, while S41050 stainless steel belongs to the iron alloys. There are 30 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 C15100 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, % 2.0 to 36
25
Poisson's Ratio 0.34
0.28
Rockwell B Hardness 30 to 64
77
Shear Modulus, GPa 43
76
Shear Strength, MPa 170 to 270
300
Tensile Strength: Ultimate (UTS), MPa 260 to 470
470
Tensile Strength: Yield (Proof), MPa 69 to 460
230

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Maximum Temperature: Mechanical, °C 200
720
Melting Completion (Liquidus), °C 1100
1440
Melting Onset (Solidus), °C 1030
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 360
27
Thermal Expansion, µm/m-K 17
10

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 31
7.0
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.9
Embodied Energy, MJ/kg 43
27
Embodied Water, L/kg 310
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.3 to 71
98
Resilience: Unit (Modulus of Resilience), kJ/m3 21 to 890
140
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 8.1 to 15
17
Strength to Weight: Bending, points 10 to 15
17
Thermal Diffusivity, mm2/s 100
7.2
Thermal Shock Resistance, points 9.3 to 17
17

Alloy Composition

Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0
10.5 to 12.5
Copper (Cu), % 99.8 to 99.95
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
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zirconium (Zr), % 0.050 to 0.15
0
Residuals, % 0 to 0.1
0