... A53,J55,N80 ,X42,X46,X52,X56,X60,X65,X702.End: round3.Package: In bundles, as per the customer's ... 12Cr2MoStardandISO 9329-2-1997,ASTM A161-946. ApplicantSeamless steel pipe for Petroleum CrackingGrade:10,20,12CrMo,15CrMo,1Cr2Mo,1Cr5MoStardandGB9948-2006 ... ,JIS G3441-19887. ApplicantSeamless steel pipe for Gas CylindersGrade:34Mn2V,30CrMo,35CrMo,45.8.Application1), ...