Product introduction
βC titanium alloy, corresponding to the domestic grade TB9, is also known as Ti-38644 titanium alloy, with nominal composition Ti-3Al-8V-6Cr-4Mo-4Zr. It is a metastable beta titanium alloy that, with appropriate heat treatment, can exhibit high strength, good ductility, high fatigue strength, and good toughness. The content of beta-stabilizing elements such as V, Cr, and Mo is approximately 20% (wt), which allows the beta phase generated in the high-temperature matrix to remain at room temperature, enhancing the strength of the βC alloy while maintaining good plasticity. Zr, as a neutral element, mainly provides solid solution strengthening in the matrix. Therefore, the βC alloy has high comprehensive strength and good low-temperature plasticity. Different combinations of heat treatments can be used to achieve varying plasticity matching, and the strengthening effect of heat treatment is significant, with strength reaching over 1300MPa after solution aging treatment.
Product parameters
1. Physical properties
The phase transformation point of βC titanium alloy bars is approximately 780°C, with a density of 4.5g/cm3 and a Poisson's ratio of 0.34.
2. MicrostructurePhotos of the microstructure of βC titanium alloy bars at different aging temperatures within the range of 480°C to 540°C are shown in Figure 1.
3. Mechanical Properties
The room temperature tensile mechanical properties of βC titanium alloy bars are shown in Table 1.
| Product type |
Product diameter,mm |
Status | Sampling direction | Room temperature tensile properties | |||
|
σb /MPa |
σp0.2/ MPa |
δ5 /% |
ψ/% |
||||
| Rod |
5 |
STA |
L |
≥1120 |
≥1100 |
≥20 |
≥40 |
|
10 |
L |
≥1100 |
≥1000 |
≥25 |
≥45 |
||
Product Features and Applications
The alloy has excellent properties such as high strength, good toughness, low elastic modulus, good corrosion resistance, and good cold formability. It is widely used in fields such as aviation springs, high-strength fasteners, torsion bars, foil honeycomb structures, aircraft carrier catapult systems, off-road motorcycle springs, and natural gas and oil downhole pipeline systems. Under constant solution temperature, as aging temperature increases, its strength decreases while plasticity improves. Depending on the type of fasteners and manufacturing processes, βC titanium alloy rods can be used directly in the solution aging state or can be cold drawn after solution treatment and then aged. Our company has years of research experience in βC titanium alloy bars and has the capability for stable bulk production of Φ5~50×Lmm specification bars.
Product Detail Introduction
The surface of βC titanium alloy rods is delivered with a machined polished finish, with a uniform color, free from defects such as cracks, folds, and scratches, and the dimensional tolerances meet standard requirements. Generally, they are packaged and shipped in round wooden boxes.
After-Sales Service
Our company always adheres to the principle that "quality is the lifeblood of the enterprise," with the goal of enhancing customer satisfaction. All employees faithfully fulfill their quality responsibilities, implementing effective quality control and continuous improvement throughout the entire process. The company provides after-sales service through various means, including planned annual customer visits, irregular visits, consultations on product quality issues, and on-site services. The company has a dedicated after-sales service team to quickly and effectively handle customer feedback. We promise to propose solutions and actions regarding quality information within 48 hours. If necessary, we can negotiate on-site to resolve issues, with everything being aimed at customer satisfaction.
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