notice inviting tender for supply of boiler quality c . s . plate and c . s . plate , boiler quality c . s . plate , size: 6mm thick; conforming to is 2002 gr . ii / astm a515 gr . 60 , width minimum 1 . 25 me < ( >&< ) > length more than 3 me . note: vendor shall furnish ibr certificate in form iv , endorsed by competent authority , along with supply . , carbon steel plate; plate size: 2 . 5 m x 6 . 0 m x 10 mm thick; material of construction: astm a 516 gr70; notes: ( 1 ) mill test certificate from manufacturer / material test certificate from nabl approved lab , indicating chemical composition and mechanical properties shall be furnished along with supply; ( 2 ) heat and lot number on certificate shall match with the supply .