ERW Welded Pipe for bridge construction S460M 1. ... SCH40, SCH60,SCH80S, XS, SCH80 etc.Length1m-24mStandardAPI 5L, API 5CT, ASTM A53, ASTM A252, ASTM A500, ASTM ... STK490, STK500,STK540,STPG370, STPG410 etc.CertificateEN10217, EN10219, API 5L PSL1/ PSL2, KS 4602, KS3583, GB/T9711.1/2,etc.EndPlain ... , Bitumen Coating, zinc coating, anti-corrosion coating, 3PE,FBE,Epoxy, Cement Mortar, as per customer’s ...