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:1387IS-1161:1998 for structural purpose Grade Yst 210, Yst 240 and Yst 310IS-4923 SHS and RHSIS-3589 for Water, Gas and Sewage Grade Fe 410IS-4270 for Water Wells(Casing Pipes) Grade Fe 410