... 2.P235TR1,P265TR1,13CrMo4-5,10CrMo9-10... 3..seamless steel tube 4.for pressure purposes EN10216 seamless steel tube for pressure purposesEN10216-1 ,EN10216-2P235TR1P235TR2P235GHP265TR1P265TR2P265GH13CrMo4-510CrMo9-10 SIZE ... *10168.3*11219.1*12.5273.1*14.2 EN10216 seamless steel tube for pressure purposes