ASTM A53/106 Gr.B O.D:1/2"-24",21.34-610mm W.T ... 3000Ton in stock ASTM A53/106 Gr.B O.D:1/2"-24",21.34-610mm W.T: SCH10S ... B,API 5L/B Seamless Steel Pipe1) Specication O.D:1/2"-24",21.34-609.6mm W.T ... 29~1.06,Si≤0.10 ,P≤0.035,S≤0.035 Price Terms: FOB Tianjin(China)Payment ... days after receipt of the prepayment. typeOuter diameter(D)Wall thickness(S) cold drawnOD(mm)Allowable deviation(mm)Wall thickness ...