1.ASTM A53 Gr.B seamless pipe + BE Ends 2.Material:API 5LB/A106B/ ... 4.WT:sch40,sch80,sch100,sch Product name: ASTM A53 Gr.B seamless pipe + BE Ends Place of Origin: Tianjin China ... , traffic, food industry, medical equipement and so on. ASTM A53 Gr.B seamless pipe + BE Ends