Zirconium Tube

Shaanxi Zhongheng Weichuang Metal Materials Co., Ltd. supplies high-quality rare metals, mainly engaged in conventional processing profiles such as niobium hafnium alloy 103, tantalum, niobium, hafnium, titanium, zirconium, nickel, vanadium, and their alloys, as well as deep processing products such as boats, crucibles, sputtering targets, coating targets, machined parts, high-temperature furnace insulation screens, heating elements, furnace bodies (heating furnaces, annealing furnaces), and corrosion-resistant equipment. Our main product purity can reach up to 99.95% -99.99%, with "worry free quality and better price"! Customer service is always online, making you worry free and at ease.

 

 

Production process

01.Raw material purification and smelting refining

Ore processing: Zirconia is crushed, magnetic separated, and flotation to obtain zirconium concentrate (ZrO ₂ ≥ 65%).
High temperature chlorination: Zirconium concentrate is mixed with coke and treated with chlorine gas to produce zirconium tetrachloride (ZrCl ₄).
Reduction purification: Liquid ZrCl ₄ reacts with molten magnesium to produce sponge zirconium (purity ≥ 99.6%, oxygen content ≤ 500ppm), which is then removed from impurities by vacuum distillation.
Vacuum arc melting: Sponge zirconium is pressed into electrodes and melted into zirconium ingots in a vacuum arc furnace (vacuum degree ≤ 5 × 10 ⁻ ² Pa).
Electron beam cold bed melting: High energy electron beam refining (power ≥ 2MW), impurities are reduced to ppm level, and grain size is refined to below 50 μ m.

02.

Precision machining

Hot forging: Zirconium ingots are heated to 800-950 ℃ for multi-directional forging, with grain size ≤ 100 μ m.
Pulling and Forming:

Initial pulling: Pull the tungsten steel mold (accuracy ± 0.05mm) to below Φ 5mm.

Intermediate annealing: Annealing in argon environment at 600-750 ℃ to eliminate hardening.

Final pulling: Pull the diamond mold (aperture ≤ 0.1mm) to a fine wire (diameter 0.01-0.5mm, Ra ≤ 0.4 μ m).

application area

1. Nuclear energy and military industry
 ●   Zirconium wire is a key material for nuclear reactor fuel cladding (such as Zr-2/Zr-4 alloy) and control rods, and its low thermal neutron absorption cross section (0.18 μ m) ensures neutron transfer efficiency. Used in the military industry for high-temperature resistant components of missiles and armor reinforcement materials (adding 0.1% zirconium can improve impact resistance by more than 20%).
2. Chemical and energy fields
 ●   As an acid resistant reactor lining, electrolytic cell electrode, and oil and gas valve material, zirconium wire exhibits excellent performance in boiling concentrated hydrochloric acid (annual corrosion rate<0.002mm) and H ₂ S containing environments, with equipment life up to three times that of stainless steel.
3. Biomedical field
 ●   Used for orthopedic implants (bone nails, joint prostheses) and dental restorations, its surface oxide film promotes bone bonding speed 30% faster than titanium alloy, and has no cytotoxic reactions.
4. In the field of electronics and semiconductors
 ●   As a semiconductor etching material and high-frequency connector material, zirconium wire's resistivity (40 μ Ω· cm) and diamond mold drawing accuracy (Ra ≤ 0.4 μ m) meet the requirements of micrometer level electronic packaging.
5. Aerospace and high-end manufacturing
 ●   Replacing traditional alloys in aircraft engine blades (resistant to 1200 ℃) and satellite bearings, reducing weight by 15% while maintaining strength; The 3C industry is used for laser radar rotating mirrors, with speed stability increased to ± 0.01 °.
6. Industrial filtration system
 ●   Zirconium wire woven mesh (pore size 0.05-10mm) is used for filtration in high-temperature and strong acid environments (such as concentrated sulfuric acid at 800 ℃), with a filtration efficiency of 99.97% and no secondary pollution.

As an important member of the high-end materials field in the 21st century, zirconium wire continues to drive innovative development in multiple industrial fields with its unique comprehensive performance. From safety barriers in nuclear reactors to life bridges in medical implants, from precision components in semiconductor manufacturing to high-end equipment in aerospace, the application boundaries of zirconium wire are constantly expanding.

With continuous breakthroughs in preparation processes and advancements in composite modification technology, zirconium wire will demonstrate greater potential in extreme environmental tolerance, functional integration, and other aspects in the future, providing better material solutions for human response to energy crises, medical challenges, and environmental issues. The development process of zirconium wire confirms the typical path of "small elements leveraging big industries" in materials technology, and its value will be further highlighted with the deepening of application scenarios.
 

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