... or EU 3-1/2 9. 50 3-1/2 E IU or EU 3-1/2 13. 30 3-1/2 E, X, G ... , S IU or EU 3-1/2 15. 50 3-1/2 E IU ... or EU 4-1/2 13. 75 4-1/2 E IU or EU 4-1/2 16. 00 4-1/2 E, X, G ... . 135000 Max. 65000 Min. 145000Drill PipeStandard: API 5D Specification: OD: 2 3/8”-6 5/8”Steel Grade: E75, X95, G105 ... -6.71m R2: 8.23-9.14m R3: 11.58-13.72mUsage: As the major part of drill stem, drill pipe ...