Propertise of Steel

ASTM SPECIFICATION TITLE
APPLICATION
TUBE MAKING METHOD
TYPE & GRADE OF STAINLESS STEEL
SCOPE
ASTM A 231, Seamless ferric & Austenitic alloy steel boiler, super heater & heat exchanger tube. Boiler, Super heater& heat exchanger tube. Seamless ferric & Austenitic Stainless Steel 405, 410, 443, 446, 304, 304L, 310, 316, 316L, 321, 347, 348. 1D:32mm-OD : 101.6
ASTM A 249. Welded Austenitic Stainless steel tubes for boiler, super heater, heat exchanger and condenser. Boiler, Superheated, heat exchanger and condenser tube. Automatic welding with no addition of filler metal. Austenitic Stainless Steel : 304, 304L, 316L, 317, 321, 347, 348. ID:3.2-OD:127 mm t:O.38
8.13 mm
ASTM A 268, Seamless & Welded ferric Stainless Steel tubings for general service. General Corrosion resisting and high temperature service. Seamless or welding with no addition of filler metal. ferric Stainless Steel : 405, 410, 430, 443, 446, 329, 409. ID:=/>6.4mm
t:=/>0.51 mm
ASTM A 269: Seamless & Welded ferric Stainless Steel tubings for general service. General corrosion resisting and low or high temperature service. Seamless or welded Austenitic Stainless Steel : 304, 304L, 316, 316L, 317, 321, 347, 348. ID:=/<6.4mm
t:=/>0.51 mm
ASTM A 270, Seamless & Welded Austenitic Stainless Steel sanitary tubing for dairy & food industry. Sanitary tubing for use in dairy & food industry Seamless or welded process. Austenitic Stainless Steel : 304 OD:25.4~
101.6 mm
t:1.2`4mm

 

ASTM SPECIFICATION TITLE
APPLICATION
TUBE MAKING METHOD
TYPE & GRADE OF STAINLESS STEEL
SCOPE
ASTM A 27.1, Chromium Nickel Steel, Seamless Austenitic Steel Tubes of refinery service. Tubes for use in carrying fluids at elevated temperature pressures in heaters. Seamless Austenitic Stainless Steel : 304, 304H, 321, 321H, 347, 347H OD:10.29-323.85 mm
ASTM A 312, Seamless & Welded Austenitic Stainless Steel pipe high temperature and general corrosive resisting service High temperature and general corrosive resisting service. Seamless or automatically welded Austenitic Stainless Steel : 304, 304H, 304L 309, 310, 316H, 316L, 317, 321, 321H, 347, 347H348, 348H. OD:10.29-323.85 mm
ASTM A 358. Welded Austenitic Stainless Steel large diameter pipes. General corrosion resisting large dia. pipes Welding with addition of filler metal. Austenitic Stainless Steel : 304, 304L, 304H, 309, 310, 316, 316L316H, 321, 347, 348. OD:219.08~750 mm
ASTM 376, Seamless Austenitic Stainless Steel Pipe (for high temp. central station service.) High temperature central station service. Seamless Austenitic Stainless Steel : 304, 304H, 316, 316L, 317, 321, 347, 348. OD:10.29~323.85 mm
ASTM A 409, Welded Austenitic Stainless Steel very large diameter pipes. General corrosion resisting very large dia. pipes. Manual electric welding Austenitic Stainless Steel : 304, 304L, 309, 310, 316, 316L, 317, 321, 347, 348. OD:355.6~762.0 mm t:55~ 105
ASTM A 688, Welded Austenitic Stainless Steel Tubes for feed water heater. Feed water heater tubes. Automatic welding with no addition of filler metal. Austenitic Stainless Steel :304, 304L, 316, 316L OD:15.9 ~ 25.4 mm t : 0.71 & heavier