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EN 1.4971 Stainless Steel vs. C55280 Copper

EN 1.4971 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 (14, in this case) are not shown.

For each property being compared, the top bar is EN 1.4971 stainless steel and the bottom bar is C55280 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
110
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 81
40
Tensile Strength: Ultimate (UTS), MPa 800
180

Thermal Properties

Latent Heat of Fusion, J/g 300
190
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1460
790
Melting Onset (Solidus), °C 1410
640
Specific Heat Capacity, J/kg-K 450
410
Thermal Expansion, µm/m-K 15
16

Otherwise Unclassified Properties

Density, g/cm3 8.4
8.5
Embodied Carbon, kg CO2/kg material 7.6
4.2
Embodied Energy, MJ/kg 110
67

Common Calculations

Stiffness to Weight: Axial, points 14
6.9
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 26
5.9
Strength to Weight: Bending, points 23
8.3
Thermal Shock Resistance, points 19
7.4

Alloy Composition

Carbon (C), % 0.080 to 0.16
0
Chromium (Cr), % 20 to 22.5
0
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0
90.5 to 91.4
Iron (Fe), % 24.3 to 37.1
0
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 19 to 21
0
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
6.8 to 7.2
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
1.8 to 2.2
Sulfur (S), % 0 to 0.015
0
Tungsten (W), % 2.0 to 3.0
0
Residuals, % 0
0 to 0.15