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Pipes
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| ASTM A312 | ASTM A358 | ASTM A249/450 | ASTM A240S31803 |
      Specification
This specification covers grades of minimum-wall-thickness,
seamless, hot-finished and cold-finished, austenitic chromium
-nickel steel sill tubes as designated in Standard Specification
for Seamless and Welded Austenitic Stainless Steel Pipes for
use in carrying fluids at elevated temperatures and pressures
in various types of heaters, in which the tubes may be subjected
to a furnace temperature higher than that of the contained fluids.
Filler metal not permitted during welding.
      Grades
TP304, TP304L, TP310, TP316, TP316L, TP321, TP347, etc
      Applications
Corrosion & Heat Ressistant Purpose. Various piping from Power station plant, Ship-building, LNG Gas station plant,
Petro Chemical plant, textle and pulp industry.
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