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C55284 Copper vs. S40975 Stainless Steel

C55284 copper belongs to the copper alloys classification, while S40975 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 C55284 copper and the bottom bar is S40975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 38
75
Tensile Strength: Ultimate (UTS), MPa 180
460

Thermal Properties

Latent Heat of Fusion, J/g 180
270
Maximum Temperature: Mechanical, °C 200
710
Melting Completion (Liquidus), °C 800
1450
Melting Onset (Solidus), °C 640
1400
Specific Heat Capacity, J/kg-K 380
480
Thermal Expansion, µm/m-K 17
10

Otherwise Unclassified Properties

Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 16
2.0
Embodied Energy, MJ/kg 260
28

Common Calculations

Stiffness to Weight: Axial, points 6.5
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 5.6
17
Strength to Weight: Bending, points 8.0
17
Thermal Shock Resistance, points 7.4
17

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
10.5 to 11.7
Copper (Cu), % 79.2 to 80.7
0
Iron (Fe), % 0
84.4 to 89
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
0.5 to 1.0
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 4.8 to 5.2
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 14.5 to 15.5
0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
0 to 0.75
Residuals, % 0 to 0.15
0