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S41050 Stainless Steel vs. C82800 Copper

S41050 stainless steel belongs to the iron alloys classification, while C82800 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 S41050 stainless steel and the bottom bar is C82800 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 25
1.0 to 20
Poisson's Ratio 0.28
0.33
Rockwell B Hardness 77
45 to 85
Shear Modulus, GPa 76
46
Tensile Strength: Ultimate (UTS), MPa 470
670 to 1140
Tensile Strength: Yield (Proof), MPa 230
380 to 1000

Thermal Properties

Latent Heat of Fusion, J/g 270
240
Maximum Temperature: Mechanical, °C 720
310
Melting Completion (Liquidus), °C 1440
930
Melting Onset (Solidus), °C 1400
890
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 27
120
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
18
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
19

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 1.9
12
Embodied Energy, MJ/kg 27
190
Embodied Water, L/kg 97
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98
11 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 140
590 to 4080
Stiffness to Weight: Axial, points 14
7.8
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 17
21 to 36
Strength to Weight: Bending, points 17
20 to 28
Thermal Diffusivity, mm2/s 7.2
36
Thermal Shock Resistance, points 17
23 to 39

Alloy Composition


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Aluminum (Al), % 0
0 to 0.15
Beryllium (Be), % 0
2.5 to 2.9
Carbon (C), % 0 to 0.040
0
Chromium (Cr), % 10.5 to 12.5
0 to 0.1
Cobalt (Co), % 0
0.15 to 0.7
Copper (Cu), % 0
94.6 to 97.2
Iron (Fe), % 84.2 to 88.9
0 to 0.25
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0.6 to 1.1
0 to 0.2
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0.2 to 0.35
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.12
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.5