Click image to view full size image
DIN 7991 Titanium screw:
1. Material: Gr2, Gr5
2. Standard: GB/T 70.3, ISO 10642, DIN 7991
3.Size: M3, M4, M5, M6, M8, M10, M12, M14, M16, M20.
4.Types of the Head: cheese, hexagon, pan
5. Types of the Groove: slot, square socket, phillips recess
6. Screw Varieties: titanium cylindrical screw, titanium head screw, titanium pan head screw , titanium square head screw titanium hexagon srew, titanium slot word screw, titanium cross slot screw.
7. Intrinsic Quality: No organization segregation, no high density of its impurities
8. Fine texture:A1~A4
9. Usage: Aerospace, spaceflight, surgical implants, chemical industry, as the parts of the cars,the bikes
Notes:
| Material | Chemical Composition (Mass Fraction)/% ,≤ | Other Impurities | Ti | ||||||||||
| N | C | H | Fe | O | Al | V | Pd | Mo | Ni | Each | Total | Others | |
| Gr1 | 0.03 | 0.08 | 0.015 | 0.20 | 0.18 | / | / | / | / | / | 0.1 | 0.4 | Others |
| Gr2 | 0.03 | 0.08 | 0.015 | 0.30 | 0.25 | / | / | / | / | / | 0.1 | 0.4 | Others |
| Gr3 | 0.05 | 0.08 | 0.015 | 0.30 | 0.35 | / | / | / | / | / | 0.1 | 0.4 | Others |
| Gr4 | 0.05 | 0.08 | 0.015 | 0.50 | 0.40 | / | / | / | / | / | 0.1 | 0.4 | Others |
| Gr5 | 0.05 | 0.08 | 0.015 | 0.40 | 0.20 | 5.5~6.75 | 3.5~4.5 | / | / | / | 0.1 | 0.4 | Others |
| Gr7 | 0.03 | 0.08 | 0.015 | 0.30 | 0.25 | / | / | 0.12~0.25 | / | / | 0.1 | 0.4 | Others |
| Gr9 | 0.03 | 0.08 | 0.015 | 0.25 | 0.15 | 2.5~3.5 | 2.0~3.0 | / | / | / | 0.1 | 0.4 | Others |
| Gr12 | 0.03 | 0.08 | 0.015 | 0.30 | 0.25 | / | / | / | 0.2~0.4 | 0.6~0.9 | 0.1 | 0.4 | Others |
DIN 7991 Titanium screw
