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S40977 Stainless Steel vs. C82400 Copper

S40977 stainless steel belongs to the iron alloys classification, while C82400 copper belongs to the copper alloys. There are 27 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 S40977 stainless steel and the bottom bar is C82400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 21
1.0 to 20
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
45
Tensile Strength: Ultimate (UTS), MPa 510
500 to 1030
Tensile Strength: Yield (Proof), MPa 310
260 to 970

Thermal Properties

Latent Heat of Fusion, J/g 270
230
Maximum Temperature: Mechanical, °C 720
270
Melting Completion (Liquidus), °C 1440
1000
Melting Onset (Solidus), °C 1400
900
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 25
130
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
25
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
26

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 1.9
8.9
Embodied Energy, MJ/kg 27
140
Embodied Water, L/kg 97
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
10 to 83
Resilience: Unit (Modulus of Resilience), kJ/m3 250
270 to 3870
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 18
16 to 33
Strength to Weight: Bending, points 18
16 to 26
Thermal Diffusivity, mm2/s 6.7
39
Thermal Shock Resistance, points 18
17 to 36

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Beryllium (Be), % 0
1.6 to 1.9
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 10.5 to 12.5
0 to 0.1
Cobalt (Co), % 0
0.2 to 0.65
Copper (Cu), % 0
96 to 98.2
Iron (Fe), % 83.9 to 89.2
0 to 0.2
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 0.3 to 1.0
0 to 0.2
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
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