supply of set of two nos air brake pipe 32 n.b. (f.p) with socket 32 n.b. and flange 32 n.b. for boxnhl.pipe as per wd - 08008-s-11, item -3, alt.-5, seamless to is:1239 pt. 1 heavy grade or astm a-106 gr. a andsocket and flange as per wd - 08008 - s - 11, item -11 and 12, alt. 5 and wd-83062-s-07, alt-6.
