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S32750 Stainless Steel vs. C19400 Copper

S32750 stainless steel belongs to the iron alloys classification, while C19400 copper belongs to the copper alloys. There are 29 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 S32750 stainless steel and the bottom bar is C19400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
120
Elongation at Break, % 17
2.3 to 37
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 81
44
Shear Strength, MPa 530
210 to 300
Tensile Strength: Ultimate (UTS), MPa 860
310 to 630
Tensile Strength: Yield (Proof), MPa 590
98 to 520

Thermal Properties

Latent Heat of Fusion, J/g 300
210
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1450
1090
Melting Onset (Solidus), °C 1400
1080
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 15
260
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
58 to 68
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
58 to 69

Otherwise Unclassified Properties

Base Metal Price, % relative 21
30
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 4.1
2.6
Embodied Energy, MJ/kg 56
40
Embodied Water, L/kg 180
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
5.5 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 860
41 to 1140
Stiffness to Weight: Axial, points 15
7.3
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 31
9.7 to 20
Strength to Weight: Bending, points 26
11 to 18
Thermal Diffusivity, mm2/s 4.0
75
Thermal Shock Resistance, points 25
11 to 22

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 24 to 26
0
Copper (Cu), % 0 to 0.5
96.8 to 97.8
Iron (Fe), % 58.1 to 66.8
2.1 to 2.6
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0 to 1.2
0
Molybdenum (Mo), % 3.0 to 5.0
0
Nickel (Ni), % 6.0 to 8.0
0
Nitrogen (N), % 0.24 to 0.32
0
Phosphorus (P), % 0 to 0.035
0.015 to 0.15
Silicon (Si), % 0 to 0.8
0
Sulfur (S), % 0 to 0.020
0
Zinc (Zn), % 0
0.050 to 0.2
Residuals, % 0
0 to 0.2