We supply steel pipes, tubes & fitting to various specification with MTC & IBR Certificate In the size range of 8 mm OD to 1016 mm OD x 1 mm Thk to 76.2mm Thk used for steam / line piping, boilers superheaters, economizers, water wall, headers, air pre heaters, Heat exchanges, rifle bore tubes etc.
Steel pipe & tubes are classified by the following methods:
Manufacture: Method Broadly Classified as Seamless & Welded.
Seamless method is further classified as Hot Finished & Cold Drawn.
Welded are classified as ERW, SAW, CDW, SW, MMAW.
Steel Chemistry: Carbon steel, Alloy steel, Stainless Steel.
Carbon Steel are further classified as low, Medium, high carbon, manganese steel.
Alloy steel are further classified by composition of chrome & moly.
Stainless steel are classified by their various composition of Nickel, crome, moly etc.
Tubes are used to transferred heat load through its walls (Thickness)
Pipes are used to transfer heat loads through its Bore.
ASME/ASTM: A178, A179, A192, A210GR A/C, SA 209- T1a,b, A213-T2,T11, T12,T22, T5, T91, T9, TP304H, TP321H, TP347H, SA214 A53/A106 Gr. A, B, C, A335-P1, P11, P12, P5, P9, P91 A312-TP304L, TP316L etc. A333 Gr. 1/6, A423, A333 Gr. 1/6, SA556, SA 234 WPB, WP6, WP11.
DIN 17175: St 35.8, St45.8, 15Mo3, 13 CrMo44, 10CrMo910, X20CuMoV121, DIN2391/2448.
BS 3059: Part I/II – Gr. 320, 360, 440, 243, 620, 622, BS 6323.
API5L: Gr. A/B, X 42, X46, X60 (PSL1/2), API 5CT: H 40, J55, L8, P1110, PE, EUE, - T&L
GB 5310: 20G, 15CrMoG, 12 Cr1MoVG.
GOST: 20, 12XIMF, 15XM, 15X1MIF,
IS: 1978, 1299, 3589, Gr. 330/410/450,
JIS: STBA22, STBA23, STBA24, STBA26.