bids are invited for 1 carbon steel pipe - seamless, ibr approved ,size-1/2 inch nbx sch 160, min. length of 5 meters,moc- astm a 106 gr-b,note- pipes should be ibr certified,duly stamped and ibr certificatein form iii-a should be supplied along with material. 2 carbon steel pipe - seamless, ibr approved and stamped, size-3/4 inch x sch 160 as per ansi b 36.10, in random length of 5 to 7 meters, moc- a 106 gr b, note- 1) pipes should be ibr certified and duly stamped. 2) party should submit mtc and ibr certificate indicating heat and lot number as on supplied material along with supply. 3) hydraulic test certificate shall accompany the supply. 3 carbon steel pipe - seamless, ibr approved and stamped, size-1 inch x sch 160 as per ansi b 36.10, in random length of 5 to 7 meters, moc- a 106 gr b, note- 1) pipes should be ibr certified and duly stamped. 2) party should submit mtc and ibr certificate indicating heat and lot number as on supplied material along with supply. 3) hydraulic test certificate shall accompany the supply. 4 pipe 1-1/2 inch sch 160, a106 gr.b seamless.ibr approved alongwith mater test certificate and ibr certificate form-iiic. 5 carbon steel pipe - seamless, ibr approved and stamped, size-2 inch x sch 160 as per ansi b 36.10, in random length of 5 to 7 meters, moc- a 106 gr-b, note- 1) pipes should be ibr certified and duly stamped. 2) party should submit mtc and ibr certificate indicating heat and lot number as on supplied material along with supply. 3) hydraulic test certificate shall accompany the supply.