
Hafnium Block
Hafnium block is a solid form of high-purity metal hafnium, mainly used in fields such as nuclear reactor control rods, high-temperature resistant alloy additives, and corrosion-resistant materials. Its typical purity is 99.5% -99.99%, with a dense hexagonal crystal structure (alpha type) and a body centered cubic structure (beta type), a melting point of up to 2233 ℃, and a large thermal neutron capture cross section (120 bar), making it a key material in the atomic energy industry.
Description
Shaanxi Zhongheng Weichuang Metal Materials Co., Ltd. is located in the High tech Development Zone of Baoji City, Shaanxi Province. Our main products include plates, rods, tubes, wires, particles, foils and other conventional processed profiles of tantalum, niobium, titanium, nickel, zirconium, hafnium and their alloys, as well as deep processed products such as crucibles, grounding rings, protective tubes, target materials, screws, etc. Integrated factory and trade, customizable, standard products available, 24-hour after-sales service.
Physical and chemical properties and production and market

Physical and chemical properties
Crystal structure: At low temperatures, it is an alpha type closely packed hexagonal lattice (a=0.32312nm, c=0.51477nm), and at high temperatures (above 1310 ℃), it transforms into a beta type body centered cubic lattice (a=0.3609nm).
High temperature resistance: melting point 2233 ℃, boiling point 4603 ℃, density 13.31g/cm ³, suitable for high temperature environment applications.
Neutron absorption capacity: The thermal neutron capture cross-section reaches 120 bar, making it an ideal material for nuclear reactor control rods.
Production and Market
Production process: Mainly purified by mechanical and iodination methods. Jinzhou, Liaoning, China is the main production area, with product specifications of 1-25kg/block.
Commercial supply: Purity can reach 99.95% (such as Shaanxi Zhongyan New Materials products), with a price starting at about 50 yuan/kg, used for industrial needs such as target materials and melting.

Main application areas
Atomic energy industry: used as control rod material to regulate nuclear reaction rate and for reactor protection devices.
Aerospace: Hf Ta alloy is used for the front protection layer of rocket nozzles and re-entry vehicles; Hafnium powder can be used as a propellant. Corrosion resistant materials: added to alloys such as tungsten and molybdenum to enhance corrosion resistance and mechanical strength.
Hafnium block, as an important rare metal material, has broad application prospects in aerospace, nuclear industry, high-end manufacturing and other fields. With the continuous advancement of global technology and the upgrading of industrial technology, the demand for high-performance metal materials will continue to grow. Hafnium blocks will play an important role in more cutting-edge fields due to their excellent physical and chemical properties.
In the future, with the breakthrough of technology and the increasing demand for high-end materials in the market, the market potential of hafnium blocks will be further released, becoming an important force in promoting the development of related industries. As a high-quality enterprise in the industry, Shaanxi Zhongheng Weichuang Metal Materials Co., Ltd., with its professional technical strength and perfect after-sales service, will continue to provide customers with high-quality hafnium blocks and related products, helping the industry move towards a higher level.
Shaanxi Zhongheng Weichuang Metal Materials Co., Ltd., as a leading hafnium material manufacturer and global exporter in China, has always been committed to providing customers with high-quality and high-purity tantalum niobium products. We insist on integrated operation from production to sales, without any intermediate links, to ensure that you can obtain reliable products directly supplied from the source at the most competitive price.
The company strictly controls every production process, and all hafnium materials meet international standards with solid and guaranteed quality. We have a professional customer service team that is always online to respond to your needs, providing worry free services throughout the entire process from technical consultation to after-sales support, ensuring smooth cooperation and peace of mind in procurement.
If you have any needs, please feel free to inquire:
Email: zhwcjs2022@163.com
Shaanxi Zhongheng Weichuang Metal Materials Co., Ltd. is willing to create value with global customers through excellent products and sincere services, and work together for win-win results!
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