I'm from CHAMUNDA STEEL CORPORATION,Kolkata howrah stockists of stainless steel raw material sheet, plate, seamless pipe ERW angle channel round flat bar NB size fitting and flange grade 304/316/316L/310/309/321/410/ also precntage item like inconel600 titanium gr2 hastolly c20 monel 400 moldeym marging rod super duplex duplex