Titanium disc rotor bolts are high-performance rotor bolts made of titanium and are used to secure brake rotors to wheels. Compared with traditional steel bolts, Titanium rotor bolts have lighter weight, higher strength, and better corrosion resistance, which can make the rotor more stable, and improve braking effect and driving safety. It is a common accessory in racing cars, performance cars, and bicycles.
1. Titanium Disc Rotor Bolts are bolts used to fix brake discs, and their physical and chemical properties are as follows
1) Physical properties
- Density: 4.51 g/cm³;
- Elastic modulus: 110 GPa;
- Melting point: 1660°C;
- Coefficient of thermal expansion: 8.5×10^-6/°C (20-100°C).
- Tensile strength: ≥800 MPa;
- Yield strength: ≥700 MPa;
- Elongation: ≥10%.
2) Chemical properties
- Not easy to oxidize, has good corrosion resistance, can withstand immersion in salt water;
- Not corroded by acids, alkalis, chlorine or other chemicals;
- It can be used at high temperatures without being affected.
It should be noted that contact with other metals must be avoided during use, because contact with other metals may cause electrochemical corrosion, thereby reducing the performance of titanium rotor bolts.
|
Grade |
Gr1 |
Gr2 |
Gr3 |
Gr4 |
Gr5 |
Gr7 |
Gr9 |
Gr12 |
|
N |
0.03 |
0.03 |
0.03 |
0.03 |
0.03 |
0.03 |
0.03 |
0.03 |
|
C |
0.08 |
0.08 |
0.08 |
0.08 |
0.08 |
0.08 |
0.08 |
0.08 |
|
H |
0.015 |
0.015 |
0.015 |
0.015 |
0.015 |
0.015 |
0.015 |
0.015 |
|
Fe |
0.2 |
0.3 |
0.3 |
0.5 |
0.4 |
0.3 |
0.25 |
0.3 |
|
O |
0.18 |
0.25 |
0.35 |
0.4 |
0.2 |
0.25 |
0.15 |
0.25 |
|
Al |
|
|
|
|
5.5~6.75 |
|
2.5~3.5 |
|
|
V |
|
|
|
|
3.5~4.5 |
|
2.0~3.0 |
|
|
Pa |
|
|
|
|
|
0.12~0.25 |
|
|
|
Mo |
|
|
|
|
|
|
|
0.2~0.4 |
|
Ni |
|
|
|
|
|
|
|
0.6~0.9 |
|
Ti |
balance |
balance |
balance |
balance |
balance |
balance |
balance |
balance |
2. Titanium disc rotor bolts have the following advantages
1) Lightweight: Compared with ordinary steel fixing screws, titanium alloy fixing screws are lighter in weight, which can effectively reduce the weight of the entire vehicle and improve the handling performance of the vehicle.
2) Strong corrosion resistance: Titanium alloy material has strong corrosion resistance, which can avoid corrosion in harsh environments and prolong service life.
3) High strength: The strength of titanium alloy material is higher than that of ordinary steel material, which can provide better fixing effect.
4) High temperature and high-pressure resistance: Titanium alloy material has good high temperature and high-pressure performance, and can maintain a good fixing effect when driving at high speed or braking.
In summary, fixing screws made of titanium alloy have the advantages of lightweight, strong corrosion resistance, high strength and high temperature and high-pressure resistance, which can improve the performance and service life of the entire vehicle.
3. Production Process
The production and processing process of Titanium Bolts generally includes the following steps:
Choose suitable raw materials, generally high-purity titanium alloy materials, such as Ti-6Al-4V, etc.
Carry out cutting or forging of raw material, divide the raw material into proper size and shape as required.
Finishing raw materials with CNC machining equipment, including drilling, reaming, threading, etc.
Perform appearance treatment on Titanium Bolts, such as polishing, oxidation, etc., to improve the gloss and corrosion resistance of its surface.
Carry out quality inspection, inspection items include appearance, size, mechanical properties, etc., to ensure that Titanium Bolts meet the specifications.
Packing and shipping, packing according to customer requirements, and shipping to the designated place.
It should be noted that the above production and processing process will be slightly different according to the different uses and specifications of Titanium Bolts, and the specific steps can be adjusted according to the actual situation.
4. Application Fields
Titanium disc rotor bolts are commonly used in high-performance bicycle brakings systems such as mountain bikes, road bikes, and competition bikes. They are used to connect the discs to the brakes, providing a strong connection and reliable braking performance while reducing the overall weight of the bike. In addition, Titanium rotor bolts can also be used in braking systems in aerospace, automobiles, motorcycles, and other high-performance machinery to improve performance and reduce weight.
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