Product Information

Composition of S44627 Pipe and Tubing

UNS Designation S44627
Nickel (Ni) 0.5*
Chromium (Cr) 25.0–27.5
Iron (Fe) Bal.
Molybdenum (Mo) 0.75–1.50
Titanium (Ti) Max.
Aluminum (Al) Max.
Cobalt (Co) Max.
Tungsten (W)
Vanadium (V) Max.
Copper (Cu) Max. 0.2
Manganese (Mn) Max. 0.40
Niobium (Nb) plus Tantalum 0.05–0.20
Carbon (C) Max. 0.01* **
Nitrogen (N) Max. 0.015
Silicon (Si) Max. 0.40
Sulphur (S) Max. 0.02
Phosphorous (P) Max. 0.02
Other Elements

Physical Properties of S44627 Alloys in the Annealed Condition at -20°F to +100°F

    Tensile Strength Yield Strength            
UNS Designation Spec. psi MPa ksi psi MPa ksi Elongation in 2 in. (min.) % Grain Size Req. Max. Hardness Modulus of Elasticity (x106 psi) Mean Coefficient of Thermal Expansion (IN./IN./°F x 10-6) Thermal Conductivity (BTU-in/ ft2-h-°F)
S44627 A268 65,000 450 65 40,000 275 65 12* 95 Rb 29.0 5.2 116

S44627 Product Range

UNS Designation Werkstoff NR. Specifications*
S44627 N/A A267/SA267

*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.