tender for rdso approved irs h3c class [minimum service life 50gmt] hard facing electrode 4mm dia [a]50gb buler layer .qty -100kg [b] 50 gt surface layer qty-50kg . offer accepted:- make/brand:- difusaloy 50gb &difusaloy 50 gt are similar.ador welding ltd. ewac alloys ltd le.(rdso approved) at solapur .