PCC Energy Group


Super Ferritics Pipe and Tubing

Product Information

Composition of 444 Pipe and Tubing
UNS DesignationS44400
Nickel (Ni) 1.00
Chromium (Cr) 17.5–19.5
Iron (Fe) Bal.
Molybdenum (Mo) 1.75–2.50
Titanium (Ti) Max. 0.20 + 4x (C + N) Min. to 0.80 Max.
Aluminum (Al) Max.
Cobalt (Co) Max.
Tungsten (W)
Vanadium (V) Max.
Copper (Cu) Max.
Manganese (Mn) Max. 1.00
Niobium (Nb) plus Tantalum
Carbon (C) Max. 0.025
Nitrogen (N) Max. 0.035
Silicon (Si) Max. 1.00
Sulphur (S) Max. 0.030
Phosphorous (P) Max. 0.040
Other Elements
Physical Properties of 444 Alloys 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)
444 S44400 A268 60,000 415 60 40,000 275 40 12* 100 Rb 7.7 186
444 Product Range
AlloyUNS DesignationWerkstoff NR.Specifications*
444 S44400 N/A A/SA268
*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.