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C55281 Copper vs. S30415 Stainless Steel

C55281 copper belongs to the copper alloys classification, while S30415 stainless steel belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is C55281 copper and the bottom bar is S30415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 190
670

Thermal Properties

Latent Heat of Fusion, J/g 190
300
Maximum Temperature: Mechanical, °C 200
940
Melting Completion (Liquidus), °C 810
1410
Melting Onset (Solidus), °C 640
1370
Specific Heat Capacity, J/kg-K 400
480
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 7.0
3.1
Embodied Energy, MJ/kg 110
43

Common Calculations

Stiffness to Weight: Axial, points 6.9
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.1
24
Strength to Weight: Bending, points 8.5
22
Thermal Shock Resistance, points 7.7
15

Alloy Composition

Carbon (C), % 0
0.040 to 0.060
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 0
18 to 19
Copper (Cu), % 88.5 to 89.4
0
Iron (Fe), % 0
67.8 to 71.8
Manganese (Mn), % 0
0 to 0.8
Nickel (Ni), % 0
9.0 to 10
Nitrogen (N), % 0
0.12 to 0.18
Phosphorus (P), % 5.8 to 6.2
0 to 0.045
Silicon (Si), % 0
1.0 to 2.0
Silver (Ag), % 4.8 to 5.2
0
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.15
0