Seamless Tubes

Seamless Tubes

Seamless Pipes of most premier quality are supplied by Imperio India, per ASTM A 213, ASTM A 269 and ASTM A 511. Not only we stock standard sizes and grades of Stainless Steel SS304 & SS316, but we also do maintain huge inventories of Alloy Steel based seamless pipes in  304H, 316H, 309/S, 310/S, 317/L, 321/H, 347/H, 904L, 330, 254SMO, 410. We also stock Duplex and Super Duplex Seamless Pipes.

Sizes and Grades

SEAMLESS PIPES IN STAINLESS STEEL  
Outer Diameter (OD) of Seamless Pipes 1/8” to 24”
Grades in Stainless Steel 300 Series of Seamless Pipes 304 , 304L , 304H , 309S , 309H ,310S ,310S ,316L ,317L ,321 ,321H ,347, 347H
Grades in Stainless Steel 400 Series of Seamless Pipes 400
Alloy Steel Grades of Seamless Pipes Alloy 20 , 200, 400,600,601,625,825H,825HT,C276

Specification

STAINLESS STEEL SEAMLESS PIPE SPECIFICATIONS
ASTM A312 This specification covers seamless, straight-seam welded, and heavily cold worked welded austenitic stainless steel pipe intended for high-temperature and general corrosive service.
ASTM A358 This specification includes electric-fusion-welded austenitic chromium-nickel stainless steel pipe.
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.
ASTM A814 This specification covers two classes of flanged and cold-bending quality cold-worked straight-seam single or double welded austenitic steel pipe intended for high-temperature and general corrosive services.