... according to the requirements of Group 1 & Group 3 of API SPEC 5D. Specifications1.Drill Pipe 2 ... X42,X46,X52,X56,GR.B, Q345, Q235, Q195, 20#, 10#, S235JRH, S275JOH, S355JOH,P325TR1,ST37,ST52,ST37. ... in)(mm)2 3/86.652 3/860.320.2807.11EXGSEUNC26 (2 3/8 IF)3 3/885.701 3/444.452 ... .000.369.195 1/2 FH7177.803 3/495.255 25.605 127.000.5012.70NC50 (4 1 ... /2 IF)6 5/8168.282 3/469.855 25.605 127.000.5012.705 1/2 ...