| Diameter | Tolerance | Grade | Material Application Field | Executive Standard | Remarks |
| φ30——100.0 | H7 H8 | TC4\GR5\Ti6Al4V TC4ELI\Ti6Al4V ELI\GR23 TC20\Ti6Al7Nb，TA4\GR4 | Medical Military Industry | GB/T13810 ASTM F67 ASTM F136 ISO5832-2 ISO5832-3 ASTM F1295 | Support customization of large bars |
