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S32950 Stainless Steel vs. C17500 Copper

S32950 stainless steel belongs to the iron alloys classification, while C17500 copper belongs to the copper alloys. There are 30 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 C17500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 17
6.0 to 30
Fatigue Strength, MPa 330
170 to 310
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 80
45
Shear Strength, MPa 480
200 to 520
Tensile Strength: Ultimate (UTS), MPa 780
310 to 860
Tensile Strength: Yield (Proof), MPa 550
170 to 760

Thermal Properties

Latent Heat of Fusion, J/g 300
220
Maximum Temperature: Mechanical, °C 1100
220
Melting Completion (Liquidus), °C 1430
1060
Melting Onset (Solidus), °C 1390
1020
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 16
200
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
24 to 53
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
24 to 54

Otherwise Unclassified Properties

Base Metal Price, % relative 17
60
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 3.4
4.7
Embodied Energy, MJ/kg 47
73
Embodied Water, L/kg 180
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
30 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 730
120 to 2390
Stiffness to Weight: Axial, points 15
7.5
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 28
9.7 to 27
Strength to Weight: Bending, points 24
11 to 23
Thermal Diffusivity, mm2/s 4.3
59
Thermal Shock Resistance, points 21
11 to 29

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Beryllium (Be), % 0
0.4 to 0.7
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 26 to 29
0
Cobalt (Co), % 0
2.4 to 2.7
Copper (Cu), % 0
95.6 to 97.2
Iron (Fe), % 60.3 to 69.4
0 to 0.1
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
Silicon (Si), % 0 to 0.6
0 to 0.2
Sulfur (S), % 0 to 0.010
0
Residuals, % 0
0 to 0.5