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AISI 439 Stainless Steel vs. C55280 Copper

AISI 439 stainless steel belongs to the iron alloys classification, while C55280 copper belongs to the copper alloys. There are 18 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.

For each property being compared, the top bar is AISI 439 stainless steel and the bottom bar is C55280 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 490
180

Thermal Properties

Latent Heat of Fusion, J/g 280
190
Maximum Temperature: Mechanical, °C 890
200
Melting Completion (Liquidus), °C 1510
790
Melting Onset (Solidus), °C 1430
640
Specific Heat Capacity, J/kg-K 480
410
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 2.3
4.2
Embodied Energy, MJ/kg 34
67

Common Calculations

Stiffness to Weight: Axial, points 14
6.9
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 18
5.9
Strength to Weight: Bending, points 18
8.3
Thermal Shock Resistance, points 16
7.4

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
90.5 to 91.4
Iron (Fe), % 77.1 to 82.8
0
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.5
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
6.8 to 7.2
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
1.8 to 2.2
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0.2 to 1.1
0
Residuals, % 0
0 to 0.15