... , ASTM A106/A53/API 5L(2) Material: 10#, 20#, 16Mn, A106Gr.A/B/C,(3)Specification: O.D ... boiled pipe10,20GB3087-199910-530*2-40Over-heat pipe for low and medium pressure boiler, boiling water pipe ... 630*1.0-40Fluid feedingStructural pipe20, Q345 10,20,35,45, 16Mn,Q345BGB/T8162-19996-1020*1 ... flow chart of production processOur certificate Some information for your reference1.MOQ: 3 Ton2.Delivery time: ...