... API 5L/5CT, EN10217, EN10219, ASTM A53, ASTM A2526.Steel grade: GR.A/B, X42, X46, X52, X56, ... . GR.2, GR.3. Q235B, Q345B, etc.7.Pipes' ends: plain or bevelled8.Piles' end protective: plastic or ... : oil & gas transmission, building construction, water conveying, steel structure, shipbuilding.....13.Package: small sizes in bundled packed ... s requirement hf api 5l galvanized straight welded carbo steel pipe