... " SCH40 SCH80 SCH160 API 5L/5CT /ASTM A106/A53 Gr.B Seamless Steel PipeOuter Diameter: 10-406.4mm Wall Thickness:2 ... than 12mProduct Name:API 5L/5CT /ASTM A106/A53 Gr.B Seamless Steel PipeSize:OD:1/4",1/2",1",1 ... -1/4",1-1/2",2"-24"inchThickness:2~30mmLength:less than 12mSteel materialGR.A ,GA ... .B ,X42, X46 ,X52, X56, X60,X70 ,J55 ,N80,10#, 20#, ...