Supply Of Stainless Steel Seamless Tube Od: 38mm 1 .5 Inch, Id: 31 Mm As Per Astm: A-269 Tp304 And Clw Specification No. Clw/ms/3/029 Alt 10 For Trap Chamber Modification In Three Phase Electric Locomotive To Be Supplied In 06 Meters Continuous Length. Note: Clw Approved Sources Shall Only Participate In The Tender Or Supplier Offers Shall Be Considered With Valid Tender Specific Authorisation Certificate From Clw Source Shall Be Submitted Along With Their Offer..