DIN939 Titanium Stub Bolt Titanium Thread Screw For Industrial fasteners
Brand Name:Changsheng
Certification:ISO 9001
Model Number:DIN
Minimum Order Quantity:300PC
Delivery Time:7-10 days
Payment Terms:L/C, D/A, D/P, T/T, Western Union, MoneyGram
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Baoji China
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Description
DIN939 Titanium Stub Bolts are used in applications that require high strength, durability, and corrosion resistance. These bolts are widely used in the aerospace, automotive, industrial, and marine industries.
The DIN939 Titanium Stub Screw is designed to provide a strong and secure connection between two components. Featuring an external flange, it increases surface contact area for greater strength and improved sealing.
Titanium stub bolts are available in a variety of sizes, pitches, and surface finishes to meet diverse engineering requirements.
Advantages
High Specific Strength
Titanium has a density of 4.51 g/cm³—higher than aluminium but lower than steel, copper, and nickel. Titanium alloys have a much higher strength-to-weight ratio, providing both lightweight and high-strength properties.Excellent Corrosion Resistance
Titanium and its alloys are extremely stable in many chemical media, making them suitable for harsh and corrosive environments.Wide Temperature Resistance
Titanium can operate normally at high temperatures up to 600 °C and low temperatures down to −250 °C, maintaining shape and mechanical performance.Non-Magnetic and Non-Toxic
Titanium is a non-magnetic, biocompatible metal — safe for use in medical and sensitive magnetic applications.Superior Damping Capacity
Titanium exhibits strong damping resistance under mechanical and electrical vibration.
This property makes titanium components useful in ultrasonic, medical, and acoustic equipment, such as tuning forks, ultrasonic pulverisers, and speaker diaphragms.
Stock and Specifications
| Item | Specification |
|---|---|
| Grades | Gr2, Gr5 (Ti-6Al-4V), UNS R50400, UNS R56400 |
| Size Range | M1 – M90 (custom sizes available) |
| Pitch Options | 1.0 / 1.25 / 1.5 / 2.0 mm |
| Surface Colors | Natural Titanium, Green, Blue, Gold, Black, Purple |
| Standard | DIN939 |
Physical 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 (Max %)
| Grade | Fe | O | N | C | H | Pd | Al | V | Ni | Mo | 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 |
Applications
Aerospace fasteners and structural joints
Automotive performance and racing components
Marine hardware and offshore structures
Chemical and petrochemical equipment
Construction and industrial machinery
Electrical and plumbing assemblies requiring high strength and corrosion resistance
Titanium stub bolts are ideal for lightweight, high-performance assemblies where corrosion, vibration, or fatigue are major design considerations.
DIN939 Titanium Stub Bolt Titanium Thread Screw For Industrial fasteners
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