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Pipes
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| ASTM A312 | ASTM A358 | ASTM A249/450 | ASTM A240S31803 |
      Specification
This specification covers nominal-wall-thickness welded tubes and
heavily cold worked welded tubes made from the austenitic steels,
with various grades intended for such use as boiler, superheater,
heat exchanger, or condenser tubes.
Mechanical property requirements do not apply to tubing smaller than
1/8 in. [3.2 mm] in inside diameter or 0.015 in. [0.4 mm] in thickness.
In case of conflict between a requirement of the product specification
and a requirement of this general requirement specification only the
requirement of the product specification need be satisfied.
      Grades
TP304, TP304L, TP310H, TP316, TP316L, TP318L, TP347H, TP348H etc
      Applications
In chemicla and perochemical industry for Heat-Exchanger and Condenser Tubes, Steel Boiler Tubes for High-Pressure
and Superheater Tubes, Steel Feedwater Heater Tubes, Steel Tubing for Hydraulic System Service.
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