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C15100 Copper vs. S35315 Stainless Steel

C15100 copper belongs to the copper alloys classification, while S35315 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 S35315 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 2.0 to 36
46
Poisson's Ratio 0.34
0.28
Rockwell B Hardness 30 to 64
82
Shear Modulus, GPa 43
78
Shear Strength, MPa 170 to 270
520
Tensile Strength: Ultimate (UTS), MPa 260 to 470
740
Tensile Strength: Yield (Proof), MPa 69 to 460
300

Thermal Properties

Latent Heat of Fusion, J/g 210
330
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1100
1370
Melting Onset (Solidus), °C 1030
1330
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 360
12
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 95
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 95
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 31
34
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 2.7
5.7
Embodied Energy, MJ/kg 43
81
Embodied Water, L/kg 310
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.3 to 71
270
Resilience: Unit (Modulus of Resilience), kJ/m3 21 to 890
230
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 8.1 to 15
26
Strength to Weight: Bending, points 10 to 15
23
Thermal Diffusivity, mm2/s 100
3.1
Thermal Shock Resistance, points 9.3 to 17
17

Alloy Composition

Carbon (C), % 0
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.1
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 99.8 to 99.95
0
Iron (Fe), % 0
33.6 to 40.6
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
34 to 36
Nitrogen (N), % 0
0.12 to 0.18
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
1.2 to 2.0
Sulfur (S), % 0
0 to 0.030
Zirconium (Zr), % 0.050 to 0.15
0
Residuals, % 0 to 0.1
0