PCC Energy Group

Nickel Alloy 400

Pipe & Tubing

Product Information

Composition of Nickel Alloy 400 Pipe and Tubing
UNS DesignationN04400
Nickel (Ni) 63.0 Min. (plus Cobalt)
Chromium (Cr)
Iron (Fe) 2.5 Max.
Molybdenum (Mo)
Titanium (Ti) Max.
Aluminum (Al) Max.
Cobalt (Co) Max.
Tungsten (W)
Vanadium (V) Max.
Copper (Cu) Max. 28.0 – 34.0
Manganese (Mn) Max. 2.00
Niobium (Nb) plus Tantalum
Carbon (C) Max. 0.3
Nitrogen (N) Max.
Silicon (Si) Max. 0.5
Sulphur (S) Max. 0.024
Phosphorous (P) Max.
Other Elements
Physical Properties of Nickel Alloy 400 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)
400 N04400 B725, B730 70,000* 480* 70 28,000* 195* 28 35* 26 7.7 168
Nickel Alloy 400 Product Range
AlloyUNS DesignationWerkstoff NR.Specifications*
400 N04400 2.4360 B275, B730
*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.