Stainless Steel U/U-bending/U-type tubes as per ASTM A213 with materials of 304, 304H, 321, 321H and 316L.
Stainless steel welded tube as per ASTM A269/ASME SA269 and ASTM A249 and ASTM A358 with normal grades of austenitic stainless steel such as 304,304L,316, 316L, 321 and duplex stainless steel S31803 and S32205 as per ASTM A789 and ASTM A790
Stainless Steel Seamless tube as Per ASTM A269\ASME SA269, including an extensive material of austenitic stainless steel 304/404L, 316/316L, 310S, 317L, 321,…etc.
Stainless Steel Seamless Pipe as Per ASTM A312\ASME SA312, including an extensive material of austenitic stainless steel 304/404L, 316/316L, 310S, 317L, 321…etc.
Stainless Steel pipe and tubes have well to excellent corrosion resistance and easy finishing attributes.
JIS G3463 Stainless Steel Tube is used for exchanging heat on the inside and outside of the tube, it’s applicatino fields are superheater tubes of boilers, heat exchanger tubes, condenser tube and other chemical and petroleum industries,it is not designed for heating furnace tube. According to manufacture method, there’re seamless steel pipe and welded stainless steel pipes (automatic arc welding, laser welding or electric resistance welding).
ASTM A312 covers seamless and straight-seam welded austenitic pipe intended for high temperature and general corrosive service
ASTM A269 stainless steel tube main grades are: TP304/TP304L, TP316/TP316L, TP321, etc.
Seamless and welded austenitic stainless steel tubing for general service.
A 249 / SA 249 Standard Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes