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EN 1.3956 Stainless Steel vs. C55180 Copper

EN 1.3956 stainless steel belongs to the iron alloys classification, while C55180 copper belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.3956 stainless steel and the bottom bar is C55180 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 27
20
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 79
41
Tensile Strength: Ultimate (UTS), MPa 650
200
Tensile Strength: Yield (Proof), MPa 330
100

Thermal Properties

Latent Heat of Fusion, J/g 300
200
Maximum Temperature: Mechanical, °C 1080
200
Melting Completion (Liquidus), °C 1420
920
Melting Onset (Solidus), °C 1380
710
Specific Heat Capacity, J/kg-K 480
400
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 22
29
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 4.8
2.5
Embodied Energy, MJ/kg 68
39
Embodied Water, L/kg 180
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
34
Resilience: Unit (Modulus of Resilience), kJ/m3 270
48
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 23
6.4
Strength to Weight: Bending, points 21
8.8
Thermal Shock Resistance, points 18
7.9

Alloy Composition

Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 20.5 to 23.5
0
Copper (Cu), % 0
94.7 to 95.2
Iron (Fe), % 51.9 to 62.1
0
Manganese (Mn), % 4.0 to 6.0
0
Molybdenum (Mo), % 1.5 to 3.0
0
Nickel (Ni), % 11.5 to 13.5
0
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
4.8 to 5.2
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0.1 to 0.3
0
Residuals, % 0
0 to 0.15