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S32950 Stainless Steel vs. C19800 Copper

S32950 stainless steel belongs to the iron alloys classification, while C19800 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 S32950 stainless steel and the bottom bar is C19800 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 17
9.0 to 12
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 80
43
Shear Strength, MPa 480
260 to 330
Tensile Strength: Ultimate (UTS), MPa 780
430 to 550
Tensile Strength: Yield (Proof), MPa 550
420 to 550

Thermal Properties

Latent Heat of Fusion, J/g 300
210
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1430
1070
Melting Onset (Solidus), °C 1390
1050
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 16
260
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
61
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
62

Otherwise Unclassified Properties

Base Metal Price, % relative 17
30
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 3.4
2.8
Embodied Energy, MJ/kg 47
43
Embodied Water, L/kg 180
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
49 to 52
Resilience: Unit (Modulus of Resilience), kJ/m3 730
770 to 1320
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 28
14 to 17
Strength to Weight: Bending, points 24
14 to 17
Thermal Diffusivity, mm2/s 4.3
75
Thermal Shock Resistance, points 21
15 to 20

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 26 to 29
0
Copper (Cu), % 0
95.7 to 99.47
Iron (Fe), % 60.3 to 69.4
0.020 to 0.5
Magnesium (Mg), % 0
0.1 to 1.0
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 1.0 to 2.5
0
Nickel (Ni), % 3.5 to 5.2
0
Nitrogen (N), % 0.15 to 0.35
0
Phosphorus (P), % 0 to 0.035
0.010 to 0.1
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0.1 to 1.0
Zinc (Zn), % 0
0.3 to 1.5
Residuals, % 0
0 to 0.2