tender for hot finish seamless tube (hfs) with nominal bore 25mm, heavy, plain-end & black and paintedwith 2 coats of red oxide zinc chrome priming to is - 2074/ 92 after blasting or mechanical brushing for air brakestock. .spec.:is 1239/2004 part.i , table-5 (heavy), amdt.4 of may 2010 & is: 2074/92 (reaffirmed2002). as per specn. spec: is: 1239/2004 part-i, table-5 (heavy), amdt.3 of may 2008 & is:2074/92 ( re-affirmed2002) .
