| Element | Grade R60702 | Grade R60704 | Grade R60705 |
| Zircornium+hafnium,min | 99.2 | 97.5 | 95.5 |
| Hafnium,Max | 4.5 | 4.5 | 4.5 |
| Iron+chromium | 0.2 Max | 0.2 to 0.4 | 0.2 Max |
| Tin | ... | 1.0 to 2.0 | .... |
| Hydrogen,max | 0.005 | 0.005 | 0.005 |
| Carbon,max | 0.025 | 0.025 | 0.025 |
| Oxygen,Max | 0.16 | 0.18 | 0.18 |
Analysis may be required and limits established for elements and componds not specified in the table chemical composition.T
| Form | Condtion |
| Bars | hot finished |
| hot finished and annealed | |
| cold finished | |
| clod finished and annealed | |
| Wire | clod finished |
| cold finished and annealed |
Table 3 Tebsile Requirements
| Grades | |||
| R60702 | R60704 | R60705 | |
| Tensile Strength,min,ksi(Mpa) Yield Strength,min,ksi(Mpa) Elongation in 2 in.or 50mm min,%B | 55(380) | 60(415) | 80(550) |
| 30(205) | 35(240) | 55(380) | |
| 16 | 14 | 16 | |

