PCC Energy Group

29-4C

Super Ferritics Pipe and Tubing

Product Information

Composition of 29-4C Pipe and Tubing
Grade29-4C
UNS DesignationS44735
Nickel (Ni) 1.00
Chromium (Cr) 28.00–30.00
Iron (Fe) Bal.
Molybdenum (Mo) 3.60–4.20
Titanium (Ti) 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. 0.030
Nitrogen (N) Max. 0.045
Silicon (Si) Max. 1.00
Sulphur (S) Max. 0.030
Phosphorous (P) Max. 0.040
Other Elements —
Physical Properties of 29-4C Alloys in the Annealed Condition at -20°F to +100°F
      Tensile StrengthYield Strength            
AlloyUNS Desig-nationSpec.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)
29-4C S44735 A268 75,000 515 75 60,000 415 60 10* — 100 Rb 28.0 5.2 119
29-4C Product Range
AlloyUNS DesignationWerkstoff NR.Specifications*
29-4C S44735 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.

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