RathGibson

Product Information

Composition of Super Austenitic 800/800H Pipe and Tubing


Grade 800 800H
UNS Designation N08800 N08810
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 Strength Yield Strength            
Alloy 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)
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


Alloy UNS Designation Werkstoff 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.