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S35315 Stainless Steel vs. C81400 Copper

S35315 stainless steel belongs to the iron alloys classification, while C81400 copper belongs to the copper 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 S35315 stainless steel and the bottom bar is C81400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 46
11
Poisson's Ratio 0.28
0.34
Rockwell B Hardness 82
69
Shear Modulus, GPa 78
41
Tensile Strength: Ultimate (UTS), MPa 740
370
Tensile Strength: Yield (Proof), MPa 300
250

Thermal Properties

Latent Heat of Fusion, J/g 330
210
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1370
1090
Melting Onset (Solidus), °C 1330
1070
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 12
260
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
60
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
61

Otherwise Unclassified Properties

Base Metal Price, % relative 34
33
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 5.7
2.8
Embodied Energy, MJ/kg 81
45
Embodied Water, L/kg 220
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
36
Resilience: Unit (Modulus of Resilience), kJ/m3 230
260
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 26
11
Strength to Weight: Bending, points 23
13
Thermal Diffusivity, mm2/s 3.1
75
Thermal Shock Resistance, points 17
13

Alloy Composition

Beryllium (Be), % 0
0.020 to 0.1
Carbon (C), % 0.040 to 0.080
0
Cerium (Ce), % 0.030 to 0.1
0
Chromium (Cr), % 24 to 26
0.6 to 1.0
Copper (Cu), % 0
98.4 to 99.38
Iron (Fe), % 33.6 to 40.6
0
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 34 to 36
0
Nitrogen (N), % 0.12 to 0.18
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 1.2 to 2.0
0
Sulfur (S), % 0 to 0.030
0
Residuals, % 0
0 to 0.5