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S32950 Stainless Steel vs. C19500 Copper

S32950 stainless steel belongs to the iron alloys classification, while C19500 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S32950 stainless steel and the bottom bar is C19500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 17
2.3 to 38
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 80
44
Shear Strength, MPa 480
260 to 360
Tensile Strength: Ultimate (UTS), MPa 780
380 to 640
Tensile Strength: Yield (Proof), MPa 550
120 to 600

Thermal Properties

Latent Heat of Fusion, J/g 300
210
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1430
1090
Melting Onset (Solidus), °C 1390
1090
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 16
200
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
50 to 56
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
50 to 57

Otherwise Unclassified Properties

Base Metal Price, % relative 17
31
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 3.4
2.7
Embodied Energy, MJ/kg 47
42
Embodied Water, L/kg 180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
14 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 730
59 to 1530
Stiffness to Weight: Axial, points 15
7.3
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 28
12 to 20
Strength to Weight: Bending, points 24
13 to 18
Thermal Diffusivity, mm2/s 4.3
58
Thermal Shock Resistance, points 21
13 to 23

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 26 to 29
0
Cobalt (Co), % 0
0.3 to 1.3
Copper (Cu), % 0
94.9 to 98.6
Iron (Fe), % 60.3 to 69.4
1.0 to 2.0
Lead (Pb), % 0
0 to 0.020
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 0.35
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 to 0.2
Residuals, % 0
0 to 0.2