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EN 1.4557 Stainless Steel vs. C12000 Copper

EN 1.4557 stainless steel belongs to the iron alloys classification, while C12000 copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4557 stainless steel and the bottom bar is C12000 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 40
2.8 to 50
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 80
43
Tensile Strength: Ultimate (UTS), MPa 560
230 to 410
Tensile Strength: Yield (Proof), MPa 300
77 to 400

Thermal Properties

Latent Heat of Fusion, J/g 300
210
Maximum Temperature: Mechanical, °C 1090
200
Melting Completion (Liquidus), °C 1460
1080
Melting Onset (Solidus), °C 1420
1080
Specific Heat Capacity, J/kg-K 460
390
Thermal Conductivity, W/m-K 15
390
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
98
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
98

Otherwise Unclassified Properties

Base Metal Price, % relative 29
31
Density, g/cm3 8.0
9.0
Embodied Carbon, kg CO2/kg material 5.6
2.6
Embodied Energy, MJ/kg 76
41
Embodied Water, L/kg 190
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
10 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 210
25 to 690
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 19
7.2 to 13
Strength to Weight: Bending, points 19
9.4 to 14
Thermal Diffusivity, mm2/s 4.0
110
Thermal Shock Resistance, points 12
8.2 to 15

Alloy Composition

Carbon (C), % 0 to 0.020
0
Chromium (Cr), % 19.5 to 20.5
0
Copper (Cu), % 0.5 to 1.0
99.9 to 99.996
Iron (Fe), % 49.5 to 56.3
0
Manganese (Mn), % 0 to 1.2
0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 17.5 to 19.5
0
Nitrogen (N), % 0.18 to 0.24
0
Phosphorus (P), % 0 to 0.030
0.0040 to 0.012
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.010
0