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S32950 Stainless Steel vs. C12600 Copper

S32950 stainless steel belongs to the iron alloys classification, while C12600 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 C12600 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 17
56
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 80
56
Shear Strength, MPa 480
190
Tensile Strength: Ultimate (UTS), MPa 780
270
Tensile Strength: Yield (Proof), MPa 550
69

Thermal Properties

Latent Heat of Fusion, J/g 300
210
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1430
1080
Melting Onset (Solidus), °C 1390
1030
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 16
130
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
29
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
29

Otherwise Unclassified Properties

Base Metal Price, % relative 17
30
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 3.4
2.6
Embodied Energy, MJ/kg 47
41
Embodied Water, L/kg 180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 730
21
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 28
8.2
Strength to Weight: Bending, points 24
10
Thermal Diffusivity, mm2/s 4.3
39
Thermal Shock Resistance, points 21
9.5

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 26 to 29
0
Copper (Cu), % 0
99.5 to 99.8
Iron (Fe), % 60.3 to 69.4
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
0.2 to 0.4
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.010
0