... A 53/A106 Gr.B seamless steel tube,line pipe & oil & gas line Standard: API 5L Grade : API 5L ASTM A53 ... mMOQ: 20 Ton Details: Product seamless steel tube,line pipe ,oil & gas pipe line Brand Tiger steelStandard ASTM A53,BS1387-1985 ... the pipeline of industrial and civilian water, air, petroleum, natural gas, communication and so onPacking Black Painting, Caps, Bevel, Plain, standard bundle ...