... : 5.8--18m5.Standard: API 5L/5CT, EN10217, EN10219, ASTM A53, ASTM A2526.Steel grade: GR.A/B, X42, X46, X52, X56, X60 ... 's requirement12.Usage: oil & gas transmission, building construction, water conveying, steel structure, shipbuilding.....13.Package: small sizes in bundled packed by ... : 30%TT, or LC20.Others: as per costomer's requirement ASTM A53/A106GrB HF ERW straight welded carbon steel pipe