Gem schedule 1 - 200 nb erw pipe, sch 40 219.10od x 8.18tk as per astm a53 gr b, length of each pipe,gem schedule 2 - 450 nb erw pipe, sch 40 457.0 od x 14.27 tk as per astm a53 gr b, length of each pi

Erw pipe, is 3589 gr. 410, thck-6.3mm size: 200 nb (8 ),erw pipe, is 3589 gr. 410, thck-6.3mm size: 250 nb (10 )

Pipe, size: 4 sch-40, seamless, bevelled ends, moc: astm 106 gr. b, seamless,,cs pipe, size: 12 nb x sch 40, seamless, ends: bevelled moc: astm a106 gr. b length shall be min.

Cs seamless pipes in random length of 5-7 meters conf. to astm a106 gr. b size: 10 (250 nb) sch. # 4

Pipe set complete for blc wagon drawing no. :- contr-9405-s/14, alt-14, item no-1 to 23 spec. no:- 04-abr-02 (rev. 01 of nov. 2017) material:- 1. for 32 mm bore pipes :- seamless to is: 1239 (part-1) heavy grade or astm a-106 gr. a 2. for 20 mm bore pipes :- stainless steel to astm-a 312 schedule 40 s gr. tp 304 (erw) (material as per rdso letter no. mw/apb dt. 02-08-2019 with annex. a).

Pipe 32 n.b. with flanges & sockets (welded assembly) for freight stock to rdso s drg. no. wd-80007-s-11, alt-12, item no. 2, 12 & 13. flanges and socket to rdso drg. no. wd-83062-s-07, alt.6, items 2 & 3. other technical requirements confirming to specification no. 04-abr-2019. material specification of pipes as under, pipes 32 nb:-seamless to is: 1239 (part-i):2004 with amendment 1 to 6, heavy grade or astm a-106 gr.a. socket & flange:-is: 2062-2011, amendment 1 of nov.2012, gr. e 250 a for