1.API 5L steel pipe 2.O.D:21-508mm W.T:4-80mm 3.Material:Gr.A,Gr.B, X42,X52,L245.etc ... :fixed or random Hot sale API 5L steel pipe X52 made in china 1.Material:Gr.A,Gr.B,X42,X46,X52,X56 ... repeat customers4. smooth delivering procedure Contact Us: Tianjin Huaanxuyang Steel Trade Co.,LtdSally meng QQ:960191399SkypeMeng_zhaohuanTelephone15022160557E-mailsally.meng@huaansteel .comFax86-22-86865606Website ...