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C19700 Copper vs. S35315 Stainless Steel

C19700 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 C19700 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, % 2.4 to 13
46
Poisson's Ratio 0.34
0.28
Rockwell B Hardness 67 to 75
82
Shear Modulus, GPa 43
78
Shear Strength, MPa 240 to 300
520
Tensile Strength: Ultimate (UTS), MPa 400 to 530
740
Tensile Strength: Yield (Proof), MPa 330 to 520
300

Thermal Properties

Latent Heat of Fusion, J/g 210
330
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1090
1370
Melting Onset (Solidus), °C 1040
1330
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 250
12
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 86 to 88
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 87 to 89
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 30
34
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 2.6
5.7
Embodied Energy, MJ/kg 41
81
Embodied Water, L/kg 310
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 49
270
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1160
230
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 12 to 16
26
Strength to Weight: Bending, points 14 to 16
23
Thermal Diffusivity, mm2/s 73
3.1
Thermal Shock Resistance, points 14 to 19
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
Cobalt (Co), % 0 to 0.050
0
Copper (Cu), % 97.4 to 99.59
0
Iron (Fe), % 0.3 to 1.2
33.6 to 40.6
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0.010 to 0.2
0
Manganese (Mn), % 0 to 0.050
0 to 2.0
Nickel (Ni), % 0 to 0.050
34 to 36
Nitrogen (N), % 0
0.12 to 0.18
Phosphorus (P), % 0.1 to 0.4
0 to 0.040
Silicon (Si), % 0
1.2 to 2.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.2
0