... 2 E, X, G, S EU or IU 5 16. 25 5 X, G, S IU 5 19. 50 5 E IU and ... EU 5 19. 50 5 X, G, S EU or IU 5 ... E IU and EU 5 25. 60 5 X, G, S EU or IU 5-1/2 21. 90 5-1 ... 5/8 27. 70 6-5/8 E, X, G, S IU and EU Tensile Performance Requirement GRADE YIELD STRENGTH (psi ... Min. 105000 G-105 Min. 105000 Max. 135000 Min. 115000 S-135 Min. 135000 Max. 65000 Min. 145000Drill PipeStandard: API 5D ...