DIN6923 Titanium Flange Nut Hexagon Nut With Flange for Automobile
Descriptions
DIN6923 Titanium Flange Nut is an international standard fastener designed with a flange base that distributes the load evenly over a larger area, providing enhanced strength, stability, and vibration resistance compared to standard hex nuts.
The flange acts as a built-in washer, reducing surface pressure and preventing loosening under vibration.
Titanium flange nuts are widely used in the automotive, aerospace, marine, and industrial sectors due to their superior mechanical performance and corrosion resistance. They are also available in various materials such as steel, aluminum, brass, and titanium, with titanium being preferred for high-performance and lightweight applications.
Available Grades of DIN6923 Titanium Flange Nut
Standard Grades: Gr1, Gr2, Gr4, Gr5, Gr7, Gr9, Gr12, Gr23
Titanium Alloy Designations: Pure Titanium, Ti-6Al-4V, Ti-3Al-2.5V, Ti-0.2Pd, Ti-0.3Mo-0.8Ni
Equivalent Russian Grades: BT1-0, BT1-00, OT4-B
Mechanical and Chemical Properties
Physical (Mechanical) Properties
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
|---|---|---|---|
| Gr1 | 240 | 170 | 24 |
| Gr2 | 345 | 275 | 20 |
| Gr4 | 550 | 483 | 15 |
| Gr5 | 895 | 828 | 10 |
| Gr7 | 400 | 275 | 18 |
| Gr9 | 620 | 483 | 15 |
| Gr12 | 483 | 348 | 18 |
| Gr23 | 793 | 759 | 10 |
Chemical Composition (Wt%)
| Grade | Fe Max | O Max | N Max | C Max | H Max | Pd Max | Al Max | V Max | Ni Max | Mo Max | Ti |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Gr1 | 0.20 | 0.18 | 0.03 | 0.08 | 0.015 | – | – | – | – | – | Balance |
| Gr2 | 0.30 | 0.25 | 0.03 | 0.08 | 0.015 | – | – | – | – | – | Balance |
| Gr4 | 0.50 | 0.40 | 0.05 | 0.08 | 0.015 | – | – | – | – | – | Balance |
| Gr5 | 0.40 | 0.20 | 0.05 | 0.08 | 0.015 | – | 5.5–6.7 | 3.5–4.5 | – | – | Balance |
| Gr7 | 0.30 | 0.25 | 0.03 | 0.08 | 0.015 | 0.12–0.25 | – | – | – | – | Balance |
| Gr9 | 0.25 | 0.15 | 0.03 | 0.08 | 0.015 | – | 2.5–3.5 | 2.0–3.0 | – | – | Balance |
| Gr12 | 0.30 | 0.25 | 0.03 | 0.08 | 0.015 | – | – | – | 0.6–0.9 | 0.2–0.4 | Balance |
| Gr23 | 0.25 | 0.03 | 0.03 | 0.08 | 0.0125 | – | 5.5–6.5 | 3.5–4.5 | – | – | Balance |
Specifications of DIN6923 Titanium Flange Nut
Standard: DIN6923
Size Range: M3–M60 (custom sizes available)
Head Type: Hex flange nut
Material: Pure titanium or titanium alloy
Finish: Polished, pickled, or anodized surface
Available Colors: Titanium natural, blue, gold, purple, black (anodized)
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Applications:
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Automotive (engine assembly, exhaust systems)
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Aerospace (structural and fastening components)
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Marine (saltwater environments)
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Medical and chemical industries (non-toxic, corrosion-resistant uses)
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Advantages of DIN6923 Titanium Flange Nut
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High Strength-to-Weight Ratio
Titanium’s density (4.51 g/cm³) is lower than that of steel but offers superior strength, resulting in lightweight yet durable fasteners. -
Excellent Corrosion Resistance
Titanium naturally forms an oxide film, making it highly resistant to corrosion in seawater, acids, and industrial chemicals. -
Wide Temperature Resistance
These nuts maintain performance from –250°C to 600°C, making them suitable for both cryogenic and high-temperature environments. -
Non-Magnetic and Biocompatible
Titanium is non-magnetic and non-toxic, ideal for medical devices, electronics, and sensitive instrumentation. -
Superior Vibration Damping
Titanium exhibits long vibration attenuation, useful in aerospace, ultrasonic devices, and high-end audio applications
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