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S41050 Stainless Steel vs. C15100 Copper

S41050 stainless steel belongs to the iron alloys classification, while C15100 copper belongs to the copper 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 S41050 stainless steel and the bottom bar is C15100 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 25
2.0 to 36
Poisson's Ratio 0.28
0.34
Rockwell B Hardness 77
30 to 64
Shear Modulus, GPa 76
43
Shear Strength, MPa 300
170 to 270
Tensile Strength: Ultimate (UTS), MPa 470
260 to 470
Tensile Strength: Yield (Proof), MPa 230
69 to 460

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Carbon (C), % 0 to 0.040
0
Chromium (Cr), % 10.5 to 12.5
0
Copper (Cu), % 0
99.8 to 99.95
Iron (Fe), % 84.2 to 88.9
0
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0.6 to 1.1
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Zirconium (Zr), % 0
0.050 to 0.15
Residuals, % 0
0 to 0.1