We are manufacturing MS ERW black and gavalinized pipes, hollow sections with the following ISI which the company has IS-1239(I) 2004 EQUIVILANT TO BS:1387 IS-1161:1998 for structural purpose Grade Yst 210, Yst 240 and Yst 310 IS-4923 SHS and RHS IS-3589 for Water, Gas and Sewage Grade Fe 410 IS-4270 for Water Wells(Casing Pipes) Grade Fe