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

4110112623 - pipe cs smls a106 grb be 8in 80,4529014953 - fl wn rf cs a105 600 8in 40,4527042023 - fl sp.bl rf cs a105 600 8in,4346239343 - elbo 90 8in sch80 420wpl6 1.5d bw,4110100133 - pipe cs smls a106 gr.b pe 4in xs.,4110111423 - pipe cs smls a106 grb be 3in 80,4110100393 - pipe cs smls a106 gr.b pe 2in xs,4110100813 - pipe cs smls a106 grb pe 1 1 2in 80,4110100503 - pipe cs smls a106 grb pe 3 4in 160s h2,4527041963 - fl sp bl rf cs a105 600 4in,4315037743 - sockolet cs a105 3 4x1 2in 6000 sw,4346239173 -elbow 90deg 4in 1.5d a234 wpb bw schxs,4315052003 - weldolet cs a105 4x2in xs x xs,4522019643 -blind fl 1 1 2 in b 16.5 astm a 105,4522621883 - fl bl rf cs a105 600 2in h2,4315052813 - weldolet cs a105 4x1 1 2in 40x80,4315344003 -weldolet cs a234 wpb 8x3 4in 80x80,4315050043 -weldolet cs a105 8x2in 14 3mmxs80 bw,4346239183 -elbow 90deg 2in-1.5d-a 234 wpb bw schxs,4315344033 - weldolet cs a234 wpb 8x1in 80x80,4315052753 - weldolet cs a105 4x1in 40x40,4527019603 - fl fig.8 ff cs a105 2in 600 125aarh,4346090