PCC Energy Group

Nickel Alloy 20

Pipe & Tubing

Product Information

Composition of Nickel Alloy 20 Pipe and Tubing
UNS DesignationN08020
Nickel (Ni) 32.00–38.00
Chromium (Cr) 19.00–21.00
Iron (Fe) Bal.
Molybdenum (Mo) 2.00–3.00
Titanium (Ti) Max.
Aluminum (Al) Max.
Cobalt (Co) Max.
Tungsten (W)
Vanadium (V) Max.
Copper (Cu) Max. 3.00–4.00
Manganese (Mn) Max. 2.00
Niobium (Nb) plus Tantalum 8xC–1.00
Carbon (C) Max. 0.07
Nitrogen (N) Max.
Silicon (Si) Max. 1.00
Sulphur (S) Max. 0.035
Phosphorous (P) Max. 0.045
Other Elements
Physical Properties of Nickel Alloy 20 in the Annealed Condition at -20°F to +100°F
      Tensile StrengthYield Strength            
AlloyUNS DesignationSpec.psiMPaksipsiMPaksiElongation in 2 in. (min.) %Grain Size Req.Max. HardnessModulus of Elasticity (x106 psi)Mean Coefficient of Thermal Expansion ((IN./IN./°F x 10-6)Thermal Conductivity (BTU-in/ ft2-h-°F)
20 N08020 B464,
80,000 551 80 35,000 241 35 30 28 8.3 148
Nickel Alloy 20 Product Range
AlloyUNS DesignationWerkstoff NR.Specifications*
20 N08020 2.4660 B/SB468, B/SB464
*Note: The specifications noted including ASTM, ASME, or other applicable authorities are correct at the time of publication. Other specifications may apply for use of these materials in different applications.