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Hexagonal TC4 titanium bolts passivation surface for automotive
industry.
Description
Titanium hexagonal bolts are one of the ultra-high-strength bolts
produced by special materials.
Titanium hexagonal bolts are produced and processed with
high-strength heat-resistant and corrosion-resistant titanium alloy
materials.
Passivation advantages
1) Compared with the traditional physical sealing method, the
passivation process has the characteristics of absolutely no
increase in the thickness of the workpiece and no change in color,
which improves the precision and added value of the product and
makes the operation more convenient;
2) Since the passivation process is carried out in a non-reactive
state, the passivation agent can be added and used repeatedly, so
the life is longer and the cost is more economical.
3) Passivation promotes the formation of the oxygen molecular
structure passivation film on the metal surface, the film layer is
dense, the performance is stable, and it has a self-repairing
effect in the air, so compared with the traditional method of
applying anti-rust oil, the passivation formed The passivation film
is more stable and corrosion resistant.
Most of the charge effects in the oxide layer are directly or indirectly related to the thermal oxidation process. In the temperature range of 800-1250℃, the thermal oxidation process with dry oxygen, wet oxygen or water vapor has three continuous stages.
First, the oxygen in the ambient atmosphere enters the formed oxide layer, and then the oxygen passes through the dioxide. Silicon diffuses to the inside, and when it reaches the Si02-Si interface, it reacts with silicon to form new silicon dioxide. In this way, the oxygen entry-diffusion-reaction process continues to occur, so that the silicon near the interface is continuously converted into silicon dioxide, and the oxide layer grows into the silicon wafer at a certain rate.
Material | TC4 |
Surface Treatment | Passivation |
Application | Automotive Industry |
Tolerance | 4H |
Standard | GB;DIN |
Size | Customizable |
Drawing Format | DWG/DXF/IGS/STEP/X-T and PDF |
Certificate | ISO9001 |
Service | OEM ODM Customised |
Factory pictures
Plating line
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Our Services
2. Various products satisfy customer’s requirements.
3. High quality goods with competitive price.
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5. Best after-sales service.