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EN 1.4446 Stainless Steel vs. C72150 Copper-nickel

EN 1.4446 stainless steel belongs to the iron alloys classification, while C72150 copper-nickel belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4446 stainless steel and the bottom bar is C72150 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
99
Elastic (Young's, Tensile) Modulus, GPa 200
150
Elongation at Break, % 23
29
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
55
Tensile Strength: Ultimate (UTS), MPa 490
490
Tensile Strength: Yield (Proof), MPa 240
210

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 980
600
Melting Completion (Liquidus), °C 1460
1210
Melting Onset (Solidus), °C 1410
1250
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 14
22
Thermal Expansion, µm/m-K 16
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
3.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.6

Otherwise Unclassified Properties

Base Metal Price, % relative 22
45
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 4.5
6.1
Embodied Energy, MJ/kg 60
88
Embodied Water, L/kg 160
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
120
Resilience: Unit (Modulus of Resilience), kJ/m3 140
150
Stiffness to Weight: Axial, points 14
9.1
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 17
15
Strength to Weight: Bending, points 17
15
Thermal Diffusivity, mm2/s 3.6
6.0
Thermal Shock Resistance, points 11
18

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 16.5 to 18.5
0
Copper (Cu), % 0
52.5 to 57
Iron (Fe), % 59.7 to 66.9
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.5
0 to 0.050
Molybdenum (Mo), % 4.0 to 4.5
0
Nickel (Ni), % 12.5 to 14.5
43 to 46
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.5