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S40910 Stainless Steel vs. C17465 Copper

S40910 stainless steel belongs to the iron alloys classification, while C17465 copper belongs to the copper alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S40910 stainless steel and the bottom bar is C17465 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 23
5.3 to 36
Poisson's Ratio 0.28
0.34
Rockwell B Hardness 76
44 to 110
Shear Modulus, GPa 75
44
Shear Strength, MPa 270
210 to 540
Tensile Strength: Ultimate (UTS), MPa 430
310 to 930
Tensile Strength: Yield (Proof), MPa 190
120 to 830

Thermal Properties

Latent Heat of Fusion, J/g 270
210
Maximum Temperature: Mechanical, °C 710
210
Melting Completion (Liquidus), °C 1450
1080
Melting Onset (Solidus), °C 1410
1030
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 26
220
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
22 to 51
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
23 to 52

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
45
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 2.0
4.1
Embodied Energy, MJ/kg 28
64
Embodied Water, L/kg 94
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
47 to 90
Resilience: Unit (Modulus of Resilience), kJ/m3 94
64 to 2920
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 16
9.7 to 29
Strength to Weight: Bending, points 16
11 to 24
Thermal Diffusivity, mm2/s 6.9
64
Thermal Shock Resistance, points 16
11 to 33

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Beryllium (Be), % 0
0.15 to 0.5
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 10.5 to 11.7
0
Copper (Cu), % 0
95.7 to 98.7
Iron (Fe), % 85 to 89.5
0 to 0.2
Lead (Pb), % 0
0.2 to 0.6
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.5
1.0 to 1.4
Niobium (Nb), % 0 to 0.17
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0 to 0.25
Titanium (Ti), % 0 to 0.5
0
Zirconium (Zr), % 0
0 to 0.5
Residuals, % 0
0 to 0.5