... gradeFirst class, prime, newly produced, secondary , stock etc.Material/Steel gradeGR.B X42 X46 X52 X56 X60 X65 X70CertificateAPI5LEndPlain end ... , Bitumen Coating, zinc coating, anti-corrosion coating, 3PE,FBE,Epoxy, Cement Mortar, as per customer’s requirement;Hydrostatic Test Range ... gas industries;- applies to pipe piles in which the steel cylinder acts as a permanent load-carrying member, or ...