... : SCH10-SCH160 XXS 4.STD :ASME,GB,DIN,API 5.Material:API5L X42,X46,X52,X56,X60,X65, ... fields, water supply engineering, steam heating, hydroelectric power station and long pipeline transportation projects. 3.Ends: 2" below ... ’s requirements or normal delivery 6 .Authentification:ISO 9001:2000 API 5L/5CT ( function(){ var aBigImageSrc = [ 'http://i01. ... X52,X56,X60,X65,X70 steel pipe/oil and gas line pipe