Jiangsu Daxun Alloy Co., Ltd. boasts a comprehensive technology cycle, encompassing every stage from raw material processing to the creation of finely finished products with exceptional mechanical precision. Our extensive range of bar products is readily available across our expansive service center network, ensuring swift, off-the-shelf delivery of popular sizes and alloys. Additionally, we specialize in crafting custom sizes and offer tailored stocking programs, enabling rapid turnaround on a just-in-time basis for orders that fall below the mill minimum. Entrust Daxun for reliability, flexibility, and unparalleled quality in titanium alloy solutions.
Detailed Introduction of Grade 5 Titanium Rod and Grade 2 Titanium Rod
Grade 5 Titanium Rod
Daxun Daxun has a state-of-the-art production facility in China, specializing in the manufacture of highly competitive, high-precision Grade 5 titanium bars. These bars boast excellent surface finish, precise tolerance, impeccable straightness, and superior material quality, ensuring technological leadership and consistent production processes. Our capabilities extend across a vast range of diameters and materials. Furthermore, our comprehensive stock program at our service center facilitates just-in-time delivery, enhancing your operational efficiency.
SPECIFICATIONS
AMS 4928 - Bars, Forgings, and Forging Stock (Annealed)
AMS 4965 - Bars, Forgings (Solution treated and aged)
AMS 4967 - Bars, Forgings (Annealed, Heat Treatable)
HEAT TREATMENT
- When maximum hardness, tensile strength, and fatigue strength are desired, annealing can be performed at temperatures ranging from 1,700-1,900°F (927-1,038°C).
DAXUN 6-4™ Grade 5 alloy can undergo various heat treatment processes to achieve specific mechanical properties. - 1. Anneal: 1,275-1,400°F (691-760°C) for ½ to 2 hours, followed by air or furnace cooling.
- 2. Stress Relief Anneal: 1,000-1,200°F (538-649°C) for 1 to 8 hours, followed by air or furnace cooling.
- 3. Solution Heat Treat: 1,675-1,750°F (913-954°C) for 1 hour, followed by water quenching.
- 4. Aging: 975-1,025°F (524-552°C) for 4 to 8 hours, followed by air cooling.
In the solution-treated and aged condition, rapid quenching of small sections yields optimal properties. Larger sections and/or delayed quenching may result in suboptimal properties.
HARDNESS
Typical hardness in the annealed condition is Rockwell C 30-34, increasing to Rockwell C 35-39 in the solution-treated and aged condition.
Forgeability/Formability
- Ti-6Al-4V, Grade 5 alloy bars are forged at 1,750°F (954°C) with a final forging temperature of 1,450°F (788°C). A minimum reduction of 35% is recommended to achieve optimal properties.
- Ti-6Al-4V, Grade 5 alloy bars are difficult to form at room temperature, even when annealed. Therefore, severe forming operations, such as bending or stretching, should be performed on annealed material at temperatures up to 1,200°F (649°C) without compromising mechanical properties. Hot sizing or forming can be achieved via creep forming in the range of 1,000-1,200°F (538-649°C).
Machinability
Ti-6Al-4V, Grade 5 alloy bars can be effectively machined using methods applicable to austenitic stainless steel. This involves slow machining speeds, high feeds, rigid tools, and copious amounts of non-chlorinated cutting fluids.
Weldability
The Ti-6Al-4V, Grade 5 alloy rod, distinguished for its exceptional weldability, can be effortlessly welded in both annealed and solution-aged conditions. Post-weld heat treatment completes the aging process. To prevent contamination from oxygen, nitrogen, and hydrogen, meticulous precautions are essential. Fusion welding thrives in an inert gas-filled chamber or with inert gas shielding the molten metal and heated zones, using a tail shield. Additionally, spot, seam, and flash welding are achievable without protective atmospheres.
Special Considerations
The Ti-6Al-4V, Grade 5 titanium alloy rod is susceptible to contamination, which can degrade its ductility and compromise its notch sensitivity and forming properties. Hydrogen contamination typically arises from improper pickling, while oxygen, nitrogen, and carbon contamination can occur during processes like forging, heat treating, and brazing.
Size range
- Dimensions for Grade 1 Titanium Bar
- Ø 0.7 - 30 mm (drawn, ground)
- Ø 16 - 400 mm (hot rolled, peeled)
- Tolerances: h11-h5 available
- Custom tolerances available upon request
- Lengths up to 9,000 mm, depending on diameter
- Custom bar lengths and tolerances for larger diameters available upon request
Availability of Grade 5 Titanium rods
- Available Processes: Drawing, straightening
- Drawing, straightening, polishing
- Drawing, grinding, polishing
- Drawing, straightening, grinding, polishing
- Drawing, annealing, straightening
- Drawing, annealing, polishing
- Drawing, annealing, grinding, polishing
- Drawing, annealing, straightening, grinding, polishing
Processing
Our bars are customized to meet your specific requirements.
We offer bars with excellent surface quality, impeccable straightness, perfect roundness, and the tightest diameter tolerances (up to h5 as per ISO 286-2). Available conditions include straightened, ground, and polished.
Sawing Options
Band saws (up to Ø510 mm)
Bench band saws (up to 6,000 x 3,000 x 400 mm)
High-performance sawing machines for precision cuts
Titanium Bar End Machining
Options: Single or double-sided
Chamfer: 90° (45°)
Point: 60° (30°)
Flat end
Centered
Delivery Form
ASTM: American Society for Testing and Materials Standards
AMS: Aerospace Materials Standards
NACE: Association of Corrosion Engineers Standards
ASME: Society of Mechanical Engineers Standards
GB: Chinese National Standards
GJB: Chinese National Military Standards
ISO: International Standards
DIN: German Standards
EN: European Standards
API: Petroleum Institute Standards
Detection Method
Non-destructive methods: > 100% testing
Testing Methods
Eddy current testing/*** detection
Defect-free surface (level 4)
Flat bottom hole diameter 0.7 mm and 0.4 mm
Blind area can be cut off according to fixed length >Test to the end of the bar
Full diameter ultrasonic testing
Our Titanium Bar Material Services
- Leveraging our extensive experience as a premier service center, we specialize in customizing titanium bar materials to your precise specifications. Collaborating with respected certification authorities such as TÜV Rheinland or DNV, we ensure compliance and facilitate the enhancement of titanium semi-finished products to meet specific application demands.
- We are eager to offer you a comprehensive consultation, providing expert guidance on procuring titanium bar material. Our team will elucidate the crucial standards that must be met for your manufactured components.
- For long-term supply commitments, establish a framework agreement with Daxun. We guarantee fixed prices and quantities for a specified duration, ensuring stability and reliability.
- Benefit from our vast global market experience, serving businesses worldwide since 2003. For additional details about Grade 2 Titanium Bar, our knowledgeable professionals are ready to assist you. We eagerly await your inquiries.
Ordering Information
Your purchase orders should detail the quantity, grade, type or category, API5L reference, thickness, width, length, and any additional requirements related to chemical composition, mechanical properties, heat treatment, extra testing, manufacturing process, surface coating, or end finish. Reach out to Daxun now, and we will promptly respond to your email.
Grade 2 Titanium Rod
Corrosion resistance
Titanium is unsuitable for use with strong reducing acids, fluoride solutions, pure oxygen, or anhydrous ***.
General corrosion
Table 1 illustrates the general corrosion rates for Grade 2 titanium across various media. Commercially Pure (CP) titanium demonstrates impressive corrosion resistance in numerous environments, including:
- Seawater and brines
- Inorganic salts
- Moist *** gas
- Alkaline solutions
- Oxidizing acids
- Organics and organic acids
- Sulfur compounds
Crevice corrosion
CP titanium provides superior resistance to crevice corrosion in salt solutions compared to stainless steels. It will not exhibit crevice corrosion at temperatures below 80 °C (176°F), regardless of pH, even under highly chlorinated conditions.
Stress corrosion cracking
Grade 2 titanium is highly resistant to stress corrosion cracking (SCC) in hot chloride solutions and remains unaffected by SCC in seawater.
Erosion corrosion
Titanium excels in resisting erosion in flowing seawater with velocities up to 130 ft/sec (40 m/sec), showing negligible material degradation. The presence of abrasive particles, like sand, minimally affects its corrosion resistance.
seawater with velocities up to 130 ft/sec ( 40 m/sec) showing negligible effect on the material. The presence of abrasive particles, such as sand, has only a small effect on corrosion.
Hydrogen embrittlement
Titanium absorbs no significant hydrogen when exposed to seawater, even at elevated temperatures. Hydrogen absorption typically occurs only when all of the following conditions are met:
- pH is < 3 or > 12
- Temperature is above 176F (80C)
- A mechanism exists for hydrogen generation such as a galvanic couple or impressed current.
Bio-corrosion
Titanium alloys stand out with their unparalleled immunity to all types of microbiologically influenced corrosion. Due to their non-toxic nature towards marine life, biofouling can occur in seawater environments. This can be effectively minimized either through chlorination or by increasing the water velocity within the heat exchanger.
Corrosion Fatigue
Titanium showcases an extraordinary resilience, with no reduction in fatigue performance even when exposed to seawater. Whether tested in air or seawater, both fatigue endurance limits and *** growth rates of titanium remain consistent.
Galvanic Corrosion
Ranking towards the noble end of the galvanic series, near stainless steels, titanium generally acts as the cathode when paired with different metals. Consequently, while titanium remains unaffected by galvanic corrosion, it can hasten the corrosion of the other metal. When coupled with more noble metals like graphite, titanium's passivity is only further enhanced.
Fatigue Properties
Grade 2 Titanium Rod is unique in its ability to maintain fatigue properties even in seawater. Its fatigue endurance limits and *** growth rates remain unchanged, whether tested in air or seawater.
Weldability
CP2 Grade Titanium Rod is highly weldable given the necessary precautions are adhered to. To combat titanium's reactivity, an inert gas shield is required on both the OD and ID of the rod, and the material must be free from any grease or oil contamination.
Typically, Grade 2 Titanium Rod is welded using manual or automatic TIG welding, with or without filler wire. To minimize the heat-affected zone, low heat input is recommended. Post-weld heat treatment is generally not needed.