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EN 1.4581 Stainless Steel vs. C11000 Copper

EN 1.4581 stainless steel belongs to the iron alloys classification, while C11000 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 1.4581 stainless steel and the bottom bar is C11000 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 28
1.5 to 50
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
43
Tensile Strength: Ultimate (UTS), MPa 510
220 to 410
Tensile Strength: Yield (Proof), MPa 210
69 to 390

Thermal Properties

Latent Heat of Fusion, J/g 300
210
Maximum Temperature: Mechanical, °C 990
200
Melting Completion (Liquidus), °C 1440
1080
Melting Onset (Solidus), °C 1400
1070
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 15
390
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
100
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
100

Otherwise Unclassified Properties

Base Metal Price, % relative 21
31
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 4.2
2.6
Embodied Energy, MJ/kg 59
41
Embodied Water, L/kg 160
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
6.1 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 110
21 to 640
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 18
6.8 to 13
Strength to Weight: Bending, points 18
9.0 to 14
Thermal Diffusivity, mm2/s 3.9
110
Thermal Shock Resistance, points 12
8.0 to 15

Alloy Composition

Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 0
99.9 to 100
Iron (Fe), % 61.4 to 71
0
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 9.0 to 12
0
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.5
0
Sulfur (S), % 0 to 0.030
0
Residuals, % 0
0 to 0.1