Procurement Of Pipe Copper Seamless, Size : 10 Mm X 1.5 Mm Thickness For Wag7, Wap4 Locomotives As Per Clw Specn. Clw/ms/3/030 Alt. 13 {is : 2501-1995, Grade : Half Hard (hb)} And Str : Clw/2023/eldo/m/165 Rev 0.