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S32950 Stainless Steel vs. C17300 Copper

S32950 stainless steel belongs to the iron alloys classification, while C17300 copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S32950 stainless steel and the bottom bar is C17300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 17
3.0 to 23
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 80
45
Shear Strength, MPa 480
320 to 790
Tensile Strength: Ultimate (UTS), MPa 780
500 to 1380
Tensile Strength: Yield (Proof), MPa 550
160 to 1200

Thermal Properties

Latent Heat of Fusion, J/g 300
230
Maximum Temperature: Mechanical, °C 1100
270
Melting Completion (Liquidus), °C 1430
980
Melting Onset (Solidus), °C 1390
870
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 16
110
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
22
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
23

Otherwise Unclassified Properties

Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 3.4
9.4
Embodied Energy, MJ/kg 47
150
Embodied Water, L/kg 180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
40 to 88
Resilience: Unit (Modulus of Resilience), kJ/m3 730
110 to 5410
Stiffness to Weight: Axial, points 15
7.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 28
16 to 44
Strength to Weight: Bending, points 24
16 to 31
Thermal Diffusivity, mm2/s 4.3
32
Thermal Shock Resistance, points 21
17 to 48

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Beryllium (Be), % 0
1.8 to 2.0
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 26 to 29
0
Copper (Cu), % 0
95.5 to 97.8
Iron (Fe), % 60.3 to 69.4
0 to 0.4
Lead (Pb), % 0
0.2 to 0.6
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 1.0 to 2.5
0
Nickel (Ni), % 3.5 to 5.2
0.2 to 0.6
Nitrogen (N), % 0.15 to 0.35
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.6
0 to 0.2
Sulfur (S), % 0 to 0.010
0
Residuals, % 0
0 to 0.5