PCC Energy Group


Super Austenitic Pipe and Tubing

Product Information

Composition of Super Austenitic 800/800H Pipe and Tubing
UNS DesignationN08800N08810
Nickel (Ni) 30.0–35.0 30.0–35.0
Chromium (Cr) 19.0–23.0 19.0–23.0
Iron (Fe) 39.5 Min. 39.5 Min.
Molybdenum (Mo)
Titanium (Ti) Max. 0.15–0.60 0.15–0.60
Aluminum (Al) Max. 0.15–0.60 0.15–0.60
Cobalt (Co) Max.
Tungsten (W)
Vanadium (V) Max.
Copper (Cu) Max. 0.75 0.75
Manganese (Mn) Max. 1.5 1.5
Niobium (Nb) plus Tantalum
Carbon (C) Max. 0.10 0.05–0.10
Nitrogen (N) Max.
Silicon (Si) Max. 1.00 1.00
Sulphur (S) Max. 0.015 0.015
Phosphorous (P) Max.
Other Elements
Physical Properties of Super Austenitic 800/800H 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)
800 N08800 B514, B515 75,000 520 75 30,000 205 30 30 7.9 80
800H N08810 B514, B515 65,000 450 65 25,000 170 25 30 5 & coarser 7.9 80
Super Austenitic 800/800H Product Range
AlloyUNS DesignationWerkstoff NR.Specifications*
800 N08800 1.4876 B/SB515, B/SB514
800H N08810 1.4876 B/SB515, B/SB514
*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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