supply of tube steel seamless heavy grade nominal bore 32mm black etc...tube steel seamless heavy grade nominal bore 32mm black etc...,tube steel seamless heavy grade nominal bore 32mm black plain ends to is: 1239/pt-i/2004, amendment no. 4 june 2010 (pertains to mild steel) table 5 and plain ends. outside d iameter (minimum 42 mm and maximum42.9 mm), wall thickness 04 mm,nominal mass of steel tube s (plain end) 3.79 kg/mtr.+10%. length 06 mtrs. material should be heavy duty seamless pipe, black. conditions :- totally rust free from inside & outside, fitted with protective cap at open ends. [ warra nty period: 30 months after the date of delivery ] ] diesel shed/jamalpur, er bihar 154.00 metre => limited