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ATI Allegheny Ludlum AL 201™ Nickel Alloy, UNS N02201

Category Metal , Nonferrous Metal , Nickel Alloy , Superalloy , Pure Element
Manufacturer ATI Allegheny Ludlum
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF ATI Allegheny Ludlum AL 201™ Nickel Alloy, UNS N02201.pdf
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Material Notes:
Ferromagnetic. Allegheny Ludlum AL 201 alloy is wrought commercially pure nickel. This alloy provides highly ductile mechanical properties across a wide temperature range. Either alloy provides corrosion resistance in neutral to moderately reducing environments. In the annealed condition, either alloy possesses the approximate strength of mild steel. As-rolled material is sometimes furnished to provide higher strength levels. Uses include containers and piping in caustic soda and food processing plants.This nickel alloy is readily fabricated by standard fabricating practices. The material are covered by a variety of specification and are assigned maximum allowable stresses in the ASME Boiler and Pressure Vessel Code. This alloy provides high thermal and electrical conductivity in comparison to nickel base alloys, stainless and low alloy steels. AL 201 Alloy is ferromagnetic.Information provided by Allegheny Ludlum
Physical Properties Metric English Comments
Density 8.90 g/cc
0.322 lb/in³
Mechanical Properties Metric English Comments
Hardness, Rockwell B 45
45
Typical Annealed
Tensile Strength, Ultimate 403 MPa
58500 psi
Typical Annealed
Tensile Strength, Yield 103 MPa

@Strain 0.200 %
14900 psi

@Strain 0.200 %
Typical; Annealed
Elongation at Break 50 %
50 %
typical in 2"; Annealed
Modulus of Elasticity 207 GPa
30000 ksi
Poissons Ratio 0.31
0.31
Shear Modulus 81.0 GPa
11700 ksi
Thermal Properties Metric English Comments
CTE, linear 13.3 µm/m-°C

@Temperature 27.0 - 93.0 °C
7.39 µin/in-°F

@Temperature 80.6 - 199 °F
14.4 µm/m-°C

@Temperature 27.0 - 316 °C
8.00 µin/in-°F

@Temperature 80.6 - 601 °F
Specific Heat Capacity 0.456 J/g-°C
0.109 BTU/lb-°F
Thermal Conductivity 67.1 W/m-K

@Temperature 100 °C
466 BTU-in/hr-ft²-°F

@Temperature 212 °F
Maximum Service Temperature, Air 427 °C
801 °F
Creep is a concern above this temp
Component Elements Properties Metric English Comments
Carbon, C <= 0.020 %
<= 0.020 %
Copper, Cu 0.020 %
0.020 %
Iron, Fe 0.050 %
0.050 %
Manganese, Mn 0.020 %
0.020 %
Nickel, Ni 99.9 %
99.9 %
as balance; includes Co
Silicon, Si 0.050 %
0.050 %
Sulfur, S 0.0020 %
0.0020 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.00000850 ohm-cm
0.00000850 ohm-cm
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