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S32750 Stainless Steel vs. C17200 Copper

S32750 stainless steel belongs to the iron alloys classification, while C17200 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 S32750 stainless steel and the bottom bar is C17200 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
120
Elongation at Break, % 17
1.1 to 37
Poisson's Ratio 0.27
0.33
Rockwell C Hardness 28
23 to 43
Shear Modulus, GPa 81
45
Shear Strength, MPa 530
330 to 780
Tensile Strength: Ultimate (UTS), MPa 860
480 to 1380
Tensile Strength: Yield (Proof), MPa 590
160 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 300
230
Maximum Temperature: Mechanical, °C 1100
280
Melting Completion (Liquidus), °C 1450
980
Melting Onset (Solidus), °C 1400
870
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 15
110
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
22
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
23

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 4.1
9.4
Embodied Energy, MJ/kg 56
150
Embodied Water, L/kg 180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
4.2 to 500
Resilience: Unit (Modulus of Resilience), kJ/m3 860
110 to 5720
Stiffness to Weight: Axial, points 15
7.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 31
15 to 44
Strength to Weight: Bending, points 26
16 to 31
Thermal Diffusivity, mm2/s 4.0
31
Thermal Shock Resistance, points 25
16 to 46

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), % 24 to 26
0
Copper (Cu), % 0 to 0.5
96.1 to 98
Iron (Fe), % 58.1 to 66.8
0 to 0.4
Manganese (Mn), % 0 to 1.2
0
Molybdenum (Mo), % 3.0 to 5.0
0
Nickel (Ni), % 6.0 to 8.0
0.2 to 0.6
Nitrogen (N), % 0.24 to 0.32
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.8
0 to 0.2
Sulfur (S), % 0 to 0.020
0
Residuals, % 0
0 to 0.5