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S41425 Stainless Steel vs. C55181 Copper

S41425 stainless steel belongs to the iron alloys classification, while C55181 copper belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is S41425 stainless steel and the bottom bar is C55181 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 920
200

Thermal Properties

Latent Heat of Fusion, J/g 280
190
Maximum Temperature: Mechanical, °C 810
200
Melting Completion (Liquidus), °C 1450
790
Melting Onset (Solidus), °C 1410
710
Specific Heat Capacity, J/kg-K 470
410
Thermal Expansion, µm/m-K 10
16

Otherwise Unclassified Properties

Base Metal Price, % relative 13
28
Density, g/cm3 7.9
8.5
Embodied Carbon, kg CO2/kg material 2.9
2.4
Embodied Energy, MJ/kg 40
38
Embodied Water, L/kg 120
290

Common Calculations

Stiffness to Weight: Axial, points 14
7.0
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 33
6.5
Strength to Weight: Bending, points 27
8.9
Thermal Shock Resistance, points 33
8.2

Alloy Composition

Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 12 to 15
0
Copper (Cu), % 0 to 0.3
92.4 to 93
Iron (Fe), % 74 to 81.9
0
Manganese (Mn), % 0.5 to 1.0
0
Molybdenum (Mo), % 1.5 to 2.0
0
Nickel (Ni), % 4.0 to 7.0
0
Nitrogen (N), % 0.060 to 0.12
0
Phosphorus (P), % 0 to 0.020
7.0 to 7.5
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.0050
0
Residuals, % 0
0 to 0.15