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S40910 Stainless Steel vs. C11400 Copper

S40910 stainless steel belongs to the iron alloys classification, while C11400 copper belongs to the copper alloys. There are 30 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 S40910 stainless steel and the bottom bar is C11400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 23
2.8 to 51
Poisson's Ratio 0.28
0.34
Rockwell B Hardness 76
10 to 62
Shear Modulus, GPa 75
43
Shear Strength, MPa 270
150 to 210
Tensile Strength: Ultimate (UTS), MPa 430
220 to 400
Tensile Strength: Yield (Proof), MPa 190
75 to 400

Thermal Properties

Latent Heat of Fusion, J/g 270
210
Maximum Temperature: Mechanical, °C 710
200
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
390
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
100
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
100

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
32
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 2.0
2.6
Embodied Energy, MJ/kg 28
42
Embodied Water, L/kg 94
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
11 to 90
Resilience: Unit (Modulus of Resilience), kJ/m3 94
24 to 680
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 16
6.8 to 12
Strength to Weight: Bending, points 16
9.1 to 14
Thermal Diffusivity, mm2/s 6.9
110
Thermal Shock Resistance, points 16
7.8 to 14

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 10.5 to 11.7
0
Copper (Cu), % 0
99.84 to 99.966
Iron (Fe), % 85 to 89.5
0
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.5
0
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
Silver (Ag), % 0
0.034 to 0.060
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0 to 0.5
0
Residuals, % 0
0 to 0.1