... . 00 4-1/2 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 25. 60 5 E IU and ... EU 5 25. 60 5 X, G, S EU or IU 5-1/2 21. 90 5-1 ... /2 E, X, G, S IU and EU 5-1/2 24. 70 5-1 ... /2 E, X, G, S IU and EU 6-5/8 25. 20 6-5 ... 6-5/8 27. 70 6-5/8 E, X, G, S IU and EU Tensile Performance Requirement GRADE YIELD STRENGTH (psi ...