supply of steel tube.steel tube.,seamless stainless steel tube 3/4 o.d x 0.065 wall thickness ( 1.65 mm) in len gthof 6000 mm., as per drawing: icf spec. no: icf/md/spec.-166 rev. no.03 or latest. ] senior section engineer madhya pradesh 60.00 metre , stainless steel tube (seamless annealed) 1/2 od in specific length of 6 +/- 0. 25metres conforming to relevant clauses of icf/ md/specn.1 66 rev.03 and amendmen t no.01tube shall be marked/etched with manufactures name/logo and heat no. at ev ery metrelength. ] senior section engineer madhya pradesh 60.00 metre , seamless stainless steel tube 1( 25.4 mm) o.d x 0.083 wall thickness (2.11 mm) in length of 600 0 mm., as per drawing: icf spec. no: icf/md/spec.-166 rev. no.03 or latest ] senior section engineer madhya pradesh 60.00 metre , stainless steel tube 28mm od with 2mm wall thickness in length of 6000mm. material to astm a269 gr.tp 304 seamless & annealed as per sl.no.5.1 of icf specn.no. ic f/sk-10-2-632, issue status-01, rev.no.00 with correction slip no.4. ] senior section engineer madhya pradesh 18.00 metre , seamless stainless steel tube 22 mm od x 2 mm wt length 6 mtrs. din 2391-cdin 17456 gra de 1.431 ( x 5 cr ni 1810 ) nbk 3.1.b. material required from icf/rcf approved sources only ] senior section engineer madhya pradesh 60.00 metre