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S30435 Stainless Steel vs. C18900 Copper

S30435 stainless steel belongs to the iron alloys classification, while C18900 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 S30435 stainless steel and the bottom bar is C18900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 51
14 to 48
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
43
Shear Strength, MPa 370
190 to 300
Tensile Strength: Ultimate (UTS), MPa 510
260 to 500
Tensile Strength: Yield (Proof), MPa 170
67 to 390

Thermal Properties

Latent Heat of Fusion, J/g 280
210
Maximum Temperature: Mechanical, °C 900
200
Melting Completion (Liquidus), °C 1420
1080
Melting Onset (Solidus), °C 1380
1020
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 16
130
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
30
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
30

Otherwise Unclassified Properties

Base Metal Price, % relative 14
31
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 2.9
2.7
Embodied Energy, MJ/kg 40
42
Embodied Water, L/kg 140
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
65 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 77
20 to 660
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 18
8.2 to 16
Strength to Weight: Bending, points 18
10 to 16
Thermal Diffusivity, mm2/s 4.2
38
Thermal Shock Resistance, points 12
9.3 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 1.5 to 3.0
97.7 to 99.15
Iron (Fe), % 66.9 to 75.5
0
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0 to 2.0
0.1 to 0.3
Nickel (Ni), % 7.0 to 9.0
0
Phosphorus (P), % 0 to 0.045
0 to 0.050
Silicon (Si), % 0 to 1.0
0.15 to 0.4
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0.6 to 0.9
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.5