Tubes

Tubes

Seamless Tubes of premium quality is supplied by Imperio India, per ASTM A 213, ASTM A 269 and ASTM A 511. Not only we stock standard sizes and grades of Seamless tubes in Stainless Steel SS304 & SS316, but we also do maintain huge inventories of Alloy Steel based pipes in  304H, 309/S, 310/S, 317/L, 321H, 347H, Alloy 20, Duplex 2205, Duplex 2507, Alloy 200/201, C276, Alloy 400, Alloy 600, Alloy 625, Alloy 800H, Alloy 800HT, 254SMO, AL6XN and others.

Sizes and Grades

STAINLESS STEEL SEAMLESS TUBE
Internal Diameter (ID) of Seamless Tube 1/16” to 14 “ , wall thickness as per specification
Grades in Stainless Steel 300 Series of Seamless Tubes 304 , 304L , 304H , 309S , 309H ,310S ,310S , 316 ,316L ,317L ,321 ,321H ,347, 347H
Grades in Stainless Steel 400 Series of Seamless Tubes 410
Alloy Steel Grades in Seamless Tubes Alloy 20 , 200, 400,600,601,625,825H,825HT,C276 , 904L
Duplex Steel Grades in Seamless Tubes Duplex 2205
6 Moly Grades in Seamless Tubes 254SMO

Specification

STAINLESS STEEL WELDED TUBE SPECIFICATIONS
ASTM A249 This specification covers nominal-wall-thickness welded tubes and heavily cold worked welded tubes made from different austenitic steels, with various grades intended for such use as boiler, superheater, heat exchanger, or condenser tubes. More Information
ASTM A269 This specification covers grades of nominal-wall-thickness, stainless steel tubing for general corrosion-resisting and low- or high-temperature service More Information
ASTM A554 This specification covers seamless, straight-seam welded, and heavily cold worked welded austenitic stainless steel pipe intended for high-temperature and general corrosive service. More Information
ASTM A813 This specification covers two classes of fit-up and alignment quality straight-seam single- or double-welded austenitic steel pipe intended for high-temperature and general corrosive service. More Information