Trimurti Engineering Services


Properties of Steel


Specifications


ASTM Specification TitleApplicationTube Making MethodType & Grade of Stainless SteelScope
ASTM A 231, Seamless ferric & Austenitic alloy steel boiler, super heater & heat exchanger tube.Boiler, Super heater& heat exchanger tube.Seamlessferric & 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 weldedAustenitic 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 industrySeamless or welded process.Austenitic Stainless Steel : 304OD:25.4~
101.6 mm
t:1.2`4mm
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.SeamlessAustenitic Stainless Steel : 304, 304H, 321, 321H, 347, 347HOD:10.29-323.85 mm
ASTM A 312, Seamless & Welded Austenitic Stainless Steel pipe high temperature and general corrosive resisting serviceHigh temperature and general corrosive resisting service.Seamless or automatically weldedAustenitic 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. pipesWelding 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.SeamlessAustenitic 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 weldingAustenitic 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, 316LOD:15.9 ~ 25.4 mm t : 0.71 & heavier