... :6m-12m,also can be manufactured by customers'requirements7).Type:Seamless Steel pipe, alloy tube, boiler tube, alloy pipe8).Ends:Plain ends or ... , 13CrMo910, 10CrMo910, 14MoV63, X20CrMoV121BS3059: 360,440,620-460EN10216: P195TR1, P195TR2, P235TR1, P235TR2, P265TR1, P265TR2, P195GH, P235GH, P265GH, 20MnNb6, 16Mo3, 8MoB5-4 ...