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who are we
Welcome to learn about our company!
Jiaxing Hezeyun Technology Co., Ltd. is China Wholesale Screws Company. Jiaxing Hezeyun Technology Co., Ltd. is a commercial and trade cooperation company based on Zhongsheng Metal Co., Ltd. It has many service personnel with many years of rich production and sales experience. Compared with other suppliers, we have better quality. Better prices, and more perfect service.
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The monthly output of threaded rods can reach 5,000 tons, and the monthly output of nuts is 500 tons.
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We have our own testing laboratory and reliable and complete testing equipment, which can guarantee the quality of products.
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Products are sold to Europe, North America, South America, Asia, Oceania, and other countries around the world.
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Our products cover a wide range, mainly used in various low-strength metal and non-metal materials and low-strength engineering materials such as plastic, rubber, density board, bakelite, FRP, wood, etc.
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NEWS & EXHIBITION NEWS
Surface treatment of Metal Threaded Rods: Blackening treatment
Jul.04,2024
In the field of metal processing and manufacturing, surface treatment is an important part to improve product performance, extend service life and enhance aesthetics. For Metal Threaded Rods, as a key component for connection and fastening, its surface treatment cannot be ignored. Among the many surface treatment methods, blackening treatment occupies an important position in the application of metal threaded rods with its unique advantages. Blackening treatment, also known as black oxidation treatment, is a surface treatment technology that forms a layer of black oxide film on the metal surface through chemical reaction. This oxide film not only improves the wear resistance and corrosion resistance of the metal surface, but also gives the product a unique black appearance and improves the overall texture of the product. For Metal Threaded Rods, blackening treatment can enhance its surface hardness, prevent the thread from failing due to wear during use, and increase its service life in harsh environments. Blackening treatment processThe blackening process is relatively simple, but each step needs to be strictly controlled to ensure quality. Generally speaking, the blackening treatment includes the following steps:Cleaning: First, clean the Metal Threaded Rods thoroughly to remove impurities such as oil and rust on the surface to ensure that the treated surface is clean and free of dirt.Degreasing: Use chemical degreasing agents or alkaline solutions to degrease the threaded rods to further remove grease and dirt on the surface, creating good conditions for subsequent treatment.Pickling: Use dilute acid solution to pickle the threaded rods to remove the oxide scale and rust on the surface, so that the metal surface exposes a fresh matrix.Blackening: Immerse the pre-treated threaded rods in the blackening liquid to generate a uniform black oxide film on the metal surface through chemical reaction. The main components of the blackening liquid include oxidants, stabilizers and catalysts, and the specific formula depends on the process requirements.Sealing treatment: After the blackening is completed, sealing treatment is usually required to improve the corrosion resistance and stability of the oxide film. The sealer can penetrate into the micropores of the oxide film to form a dense protective film, further improving the anti-corrosion performance of the Metal Threaded Rods.Application AdvantagesImprove wear resistance: The oxide film formed by the blackening treatment has a high hardness and can effectively prevent the metal threaded rods from being worn due to friction during use.Enhance corrosion resistance: The oxide film and the sealing layer work together to significantly improve the corrosion resistance of the metal threaded rod, especially suitable for humid and highly corrosive environments.Beautify appearance: The black oxide film gives the metal threaded rod a unique black appearance, making the product more beautiful and elegant, in line with modern aesthetic needs.Environmental protection and energy saving: The blackening process is relatively simple, and the materials used are non-toxic and harmless chemicals, which meet environmental protection requirements. At the same time, the process has low energy consumption and helps to save energy and reduce emissions.PrecautionsProcess control: During the blackening process, the process parameters of each step, such as temperature, time, concentration, etc., should be strictly controlled to ensure the quality and stability of the oxide film.Subsequent treatment: After the blackening is completed, the sealing treatment should be carried out in time to prevent the oxide film from being damaged. At the same time, direct contact with corrosive substances should be avoided during use to extend the service life.Quality inspection: Strict quality inspection should be carried out on the metal threaded rods after blackening treatment, including appearance inspection, hardness test, corrosion resistance test, etc., to ensure that the product meets the quality requirements.As an important surface treatment method for Metal Threaded Rods, blackening treatment has significant advantages such as improving wear resistance, enhancing corrosion resistance, and beautifying appearance. In practical applications, process parameters should be strictly controlled, and attention should be paid to subsequent processing and quality inspection to ensure the quality and performance of the product.
What are the special requirements for metal screws in specific industries (such as aerospace, medical devices, etc.)?
Jun.27,2024
As an indispensable fastener in the industrial field, the quality and performance of Metal Screws play a vital role in the stability and safety of various equipment. In specific industries, such as aerospace and medical devices, metal screws play an even more important role. The requirements of these industries for metal screws are not limited to their basic fastening functions, but also have a series of strict special requirements. 1. Special requirements for Metal Screws in the aerospace industryIn the aerospace field, the quality of metal screws is directly related to the safety and reliability of aircraft. First of all, metal screws for aerospace must have extremely high strength and high temperature resistance. Since aircraft will face pneumatic pressure and temperature changes during operation, metal screws must be able to withstand the test of these conditions to ensure that the connection parts will not loosen or break. The corrosion resistance of Metal Screws for aerospace is also crucial. During long-term operation, aircraft may be exposed to various corrosive media, such as fuel, lubricants, etc. Therefore, metal screws must have corrosion resistance to resist the erosion of these media and maintain their long-term stable performance. Metal Screws for aerospace must also have complete traceability. This means that each screw can be traced back to the source of its raw materials, the production process, and the final use. This is of great significance for the maintenance and troubleshooting of aircraft, ensuring that the cause can be quickly found and effective measures can be taken when problems occur. 2. Special requirements for metal screws in the medical device industryIn the field of medical devices, metal screws also play an irreplaceable role. First of all, metal screws for medical devices must have good biocompatibility. Since these screws may come into direct contact with the human body, it must be ensured that they will not have any adverse effects on the human body, such as allergies or rejection reactions. This requires that metal screws must be made of materials that meet medical standards, such as stainless steel. The corrosion resistance of metal screws for medical devices is also very important. Medical devices may be exposed to corrosive media such as various body fluids, chemicals, and disinfectants during use. Therefore, metal screws must have corrosion resistance to resist the erosion of these media and maintain the reliability of their connection and fixation. The precision and reliability of metal screws used in medical devices are also crucial. In key equipment such as operating tables, imaging equipment, and bedside monitors, screws play a role in fixing and supporting. Therefore, the precision and firmness of screws are extremely high. Only by choosing screws with exquisite manufacturing technology and reliable quality can the stability of the equipment and the safety of operation be ensured.
What are the latest development trends in the manufacturing materials of Flat Washer?
Jun.20,2024
Flat Washer, as an indispensable part of fasteners, is widely used in many fields such as construction, machinery, and automobiles. With the continuous advancement of science and technology and the popularization of environmental protection concepts, the manufacturing materials of Flat Washer are also constantly developing and innovating. This article will introduce the latest development trends of Flat Washer manufacturing materials in detail. 1. The rise of environmentally friendly materialsWith the increasing global awareness of environmental protection, environmentally friendly materials are increasingly used in Flat Washer manufacturing. Traditional Flat Washer materials, such as carbon steel and stainless steel, although they have good mechanical properties and corrosion resistance, may cause environmental pollution during production and use. Therefore, more and more manufacturers are beginning to use environmentally friendly materials to manufacture Flat Washer. Biodegradable materials: Biodegradable materials are a new type of material that can be decomposed by microorganisms in the natural environment and converted into harmless substances. Compared with traditional materials such as plastics and rubber, biodegradable materials will not accumulate in the environment for a long time, thereby causing long-term pollution to the environment. As a fastener, Flat Washer may be discarded for various reasons during use. Traditional metal Flat Washers may cause a certain degree of environmental pollution, while biodegradable materials can be completely decomposed by microorganisms in the natural environment and will not cause long-term pollution to the environment. The application of biodegradable materials is in line with the concept of sustainable development. By reducing environmental pollution, it contributes to future ecological environmental protection and resource utilization. Biomacromolecules such as starch, cellulose, and polylactic acid (PLA) are widely used types of biodegradable materials. These materials not only have good degradability and environmental protection, but can also be naturally circulated in the environment through the action of microorganisms. New biodegradable materials such as lignin and algae are also being explored, and these materials may become new hotspots in the field of biodegradation. Recyclable materials: In order to improve the sustainability of Flat Washers, more and more manufacturers have begun to use recyclable materials to manufacture products. After reaching the end of their service life, these materials can be recycled and reused to reduce environmental pollution. For example, some manufacturers have begun to use recyclable materials such as recycled steel and recycled aluminum to manufacture Flat Washers. 2. Application of lightweight materialsWith the increasing demand for lightweight in the automotive, aerospace and other fields, Flat Washer manufacturing has also begun to move towards lightweight. Lightweight materials can not only reduce the weight of products, but also improve the mechanical properties and corrosion resistance of products. Titanium alloy: Titanium alloy is a lightweight, high-strength material with corrosion resistance and high temperature resistance. It is widely used in aerospace, medical equipment and other fields. In Flat Washer manufacturing, titanium alloy can produce products that are both light and durable.High-strength aluminum alloy: High-strength aluminum alloy is a lightweight, high-strength metal material with good plasticity and corrosion resistance. It is widely used in automobiles, construction and other fields. In Flat Washer manufacturing, the use of high-strength aluminum alloy can reduce the weight of products while maintaining their good mechanical properties. 3. The development of composite materialsComposite materials are a new type of material composed of two or more materials of different properties through physical or chemical methods. It has the advantages of mechanical properties, corrosion resistance and high temperature resistance, so it has been widely used in Flat Washer manufacturing. Carbon fiber composite materials: Carbon fiber composite materials are a lightweight, high-strength material with corrosion resistance and high temperature resistance. It is widely used in aerospace, automobiles and other fields. In Flat Washer manufacturing, the use of carbon fiber composite materials can produce products that are both light and durable.Fiberglass composite material: Fiberglass composite material is a relatively low-priced composite material with good mechanical properties and corrosion resistance. It is widely used in construction, machinery and other fields. In Flat Washer manufacturing, the use of fiberglass composite materials can reduce production costs while maintaining stable product performance.
How are new materials used in Flat Washers?
Jun.13,2024
With the rapid development of science and technology and the continuous progress of the manufacturing industry, new materials are being used more and more widely in various fields. As an indispensable part of industrial manufacturing, the selection and application of materials for Flat Washers are also showing new development trends. 1. Application background of new materialsFlat Washers are flat rubber rings used for connectors. They are usually used to protect the surface of the connected parts from scratches and disperse the pressure wear of the connectors. With the continuous improvement of the manufacturing industry's requirements for product quality and performance, traditional materials have been difficult to meet the needs of modern Flat Washers. Therefore, the application of new materials has become an important direction for the development of the industry. 2. Application of new materials in Flat WashersHigh-performance plastic materialsIn recent years, high-performance plastic materials have been used more and more widely in Flat Washers. High-performance plastics such as polyamide (PA) and polytetrafluoroethylene (PTFE) have strength and wear resistance. This allows Flat Washers made of these materials to withstand higher pressure and friction and extend their service life. High-performance plastic materials have good resistance to a variety of chemicals and temperatures. This means that in complex or harsh working environments, these Flat Washers can maintain stable performance and reduce the need for failures and replacement. The application of high-performance plastic materials enables Flat Washers to meet the requirements of high precision, high reliability and long life in high-end manufacturing. For example, in aerospace, automobile manufacturing and other fields, the application of high-performance Flat Washers is becoming more and more common. The application of high-performance plastic materials enables Flat Washers to meet the requirements of high precision, high reliability and long life in high-end manufacturing. For example, in aerospace, automobile manufacturing and other fields, the application of high-performance Flat Washers is becoming more and more common.Composite materialsComposites are composed of two or more materials with different properties, which are compounded by physical or chemical methods. In Flat Washers, the application of composite materials is mainly reflected in improving the comprehensive performance of materials. For example, carbon fiber reinforced composite materials (CFRP) and glass fiber reinforced composite materials (GFRP) not only have properties such as high strength and high modulus, but also have good corrosion resistance and high temperature resistance. These characteristics make composite materials widely used in Flat Washers, especially in high-end manufacturing and aerospace fields. NanomaterialsNanomaterials have unique nano effects, such as small size effect, surface effect and quantum tunneling effect. These effects make nanomaterials show unique performance advantages in Flat Washer. For example, nanosilver particles have  antibacterial properties and can effectively inhibit bacterial growth; nanocarbon tubes have extremely high strength and conductivity and can be used to manufacture high-performance Flat Washer. 3. Innovation and advantages brought by new materialsThe application of new materials in Flat Washer has brought many innovations and advantages. First, new materials improve the performance and reliability of Flat Washer, enabling it to adapt to more severe working environments. Secondly, new materials reduce the production and maintenance costs of Flat Washer and improve the economic benefits of enterprises. Finally, the application of new materials has also promoted technological progress and industrial upgrading in the Flat Washer industry. The application of new materials in Flat Washer has brought innovation and advantages to the industry. In the future, with the continuous development and application of new materials, the performance and quality of Flat Washer will be further improved, injecting new impetus into the development of the manufacturing industry.
Which industries or application areas are contributing to the growth of the Threaded Rod With Threaded market?
Jun.06,2024
With the continuous development of the global manufacturing and construction industries, the market demand for threaded rods, as important connecting and fixing elements, continues to grow. Among the numerous industries and applications, there are a few specific areas that contribute particularly significantly to the threaded rod market. 1. Construction industryThe construction industry is one of the largest demanders in the threaded rod market. In the construction process, threaded rods are widely used for the reinforcement and connection of concrete structures, such as bridges, high-rise buildings, roads and tunnels, etc. Especially in modern construction, where the requirements for structural stability and safety are increasing day by day, threaded rods are favored for their load-bearing capacity and connection performance. According to statistics, the construction industry contributes more than 30% to the threaded rod market, and it is expected that this proportion will continue to rise in the future as urbanization accelerates and infrastructure construction continues to advance. 2. Machinery manufacturing industryThe machinery manufacturing industry is another segment that contributes significantly to the threaded rod market. Threaded rods play an important role in connection, fixation and transmission in the machinery manufacturing industry. Whether it is machine tools, automation equipment or precision instruments, threaded rods are an indispensable component. They are connected through threads to tightly combine various components to ensure the stable operation of mechanical equipment. At the same time, the threaded rod also has a transmission function, which can convert rotational motion into linear motion, or transmit power to other components to realize complex movements of mechanical equipment. There is a close interaction between the machinery manufacturing industry and the threaded rod market. On the one hand, the development of the machinery manufacturing industry has promoted the prosperity of the threaded rod market; on the other hand, the continuous innovation and progress of the threaded rod market has also provided better support and services for the machinery manufacturing industry. This interactive relationship promotes the common development of both parties and brings more opportunities and challenges to the entire industrial field. 3. Automobile industryThe automotive industry is one of the important application areas of the threaded rod market. In the automobile manufacturing process, threaded rods are used to connect and fix key components such as body structures, engines, and chassis. With the continuous development of automotive technology and consumers' increasing requirements for vehicle performance and safety, the automotive industry's demand for high-precision, high-strength threaded rods continues to increase. Especially in the field of new energy vehicles, with the continuous development of core components such as batteries and motors, the demand for threaded rods has also shown a new growth trend. 4. Energy and environmental protection industryThe contribution of the energy and environmental protection industry to the threaded rod market cannot be ignored. In the energy field, threaded rods are used in the manufacturing and installation of new energy equipment such as wind power generation and solar power generation. In the field of environmental protection, threaded rods are used in the manufacture and installation of environmental protection equipment such as sewage treatment and garbage incineration. With the transformation of the global energy structure and the increasing awareness of environmental protection, the demand for threaded rods in the energy and environmental protection industry will continue to grow. The construction industry, machine manufacturing industry, automotive industry, and energy and environmental protection industry are the major contributors to the threaded rod market. The demand for threaded rods in these industries continues to grow, providing broad development space for the threaded rod market. In the future, with the continuous development of the global economy and technological advancement, the demand for threaded rods in these industries will continue to increase. At the same time, with the continuous emergence of new materials and new processes, the performance of threaded rods will be further improved, injecting new impetus into the growth of the market.
What are the specific considerations for stainless steel screws used in high temperature environments?
May.30,2024
The selection and design of stainless steel screws used in high-temperature environments require full consideration of multiple factors to ensure their stability, durability and functionality under extreme temperature conditions. 1. Material selection and alloy composition1. Types of stainless steel: There are many types of stainless steel, such as austenitic, ferrite, martensite, etc.Austenitic stainless steel: such as 304, 321, 316, 310, etc. Austenitic stainless steel is non-magnetic and has high toughness and plasticity, but its strength is relatively low. It cannot be strengthened through phase transformation and can only be strengthened through cold working.Martensitic stainless steel: such as 430, 420, 410, etc. Martensitic stainless steel is magnetic, strong and strong, but not as ductile as austenite. Its mechanical properties can be adjusted through heat treatment and it is a type of hardenable stainless steel. 2. Alloying elements: The addition of alloying elements has a significant impact on the properties of stainless steel. For example, the addition of chromium (Cr) and nickel (Ni) can improve the corrosion resistance and high-temperature strength of stainless steel; the addition of molybdenum (Mo) can enhance its ability to resist chloride corrosion; and titanium (Ti) and niobium (Nb) The addition of can stabilize the performance of stainless steel at high temperatures. 2. Mechanical properties1. Strength: The strength of stainless steel will decrease at high temperatures, so stainless steel screws with sufficient high-temperature strength must be selected to ensure that they will not fail due to excessive force during work. 2. Toughness: Toughness is the ability of a material to resist fracture when subjected to impact or vibration. At high temperatures, the material's toughness also decreases, so it is important to choose stainless steel screws with good high-temperature toughness. 3. Creep performance: Creep is the plastic deformation of materials under high temperature and stress. Stainless steel screws may be subject to creep in high temperature environments, so their creep properties must be considered to avoid failure due to creep. 3. Heat treatment and processing1. Heat treatment: Heat treatment can improve the performance of stainless steel screws, such as eliminating residual stress inside the material through solid solution treatment and improving its high temperature stability. 2. Processing technology: The processing process of high-temperature stainless steel screws also requires special attention. For example, proper cutting speeds and coolants need to be used during cutting to avoid degradation of material properties caused by overheating. 4. Corrosion resistance1. Oxidation corrosion: High temperature environment will accelerate the oxidation corrosion of stainless steel. Therefore, choosing stainless steel screws with good oxidation resistance is essential to extend their service life. 2. Media corrosion: Stainless steel screws may also be corroded by other media in the working environment. When selecting screws, you need to consider the corrosive media that may exist in the working environment and choose stainless steel materials with corresponding corrosion resistance. 5. Dimensions and tolerances1. Dimensional accuracy: In high temperature environments, stainless steel screws may undergo dimensional changes due to thermal expansion. Therefore, when selecting screws, its dimensional accuracy and thermal expansion coefficient need to be considered to ensure its matching with other components and installation accuracy. 2. Tolerance control: Tolerance control is the key to ensuring stable screw performance. In high temperature environments, changes in tolerances can cause screws to fail. Therefore, the tolerance range of screws must be strictly controlled to ensure their reliability at high temperatures. 6. Installation and use1. Installation method: Special attention should be paid to the installation method of stainless steel screws in high temperature environments. For example, avoid over-tightening or using inappropriate tools during installation to avoid damaging the screws or affecting their performance. 2. Use and maintenance: Regular inspection and maintenance of stainless steel screws is the key to ensuring their long-term stable operation. Screws used in high-temperature environments need to pay special attention to their wear, corrosion and looseness, and take corresponding measures in a timely manner.
How do you choose the right Metal Threaded Rods to meet your specific engineering needs?
May.23,2024
Selecting the appropriate Metal Threaded Rods to meet specific engineering needs is a meticulous process involving multiple factors and steps. These threaded rods play an important role in various industries such as construction, machinery, electronics, etc., so it is crucial to ensure their quality and suitability. 1. Clarify project requirementsIt is necessary to clarify the specific requirements of the project, including what purpose the threaded rod will be used for, what load it will bear, and the environmental conditions it will be located in. This information is the basis for selecting the appropriate threaded rod. 2. Understand the basic types and specifications of threaded rodsThere are different types of threaded rods, such as fully threaded rods, partially threaded rods, etc., as well as different materials, diameters, lengths and thread specifications. Understanding this basic information will help you conduct preliminary screening based on engineering needs. 3. Determine the materialMaterial is one of the key factors to consider when choosing a threaded rod. Common materials include stainless steel, carbon steel, alloy steel, etc. If the threaded rod will be in a wet, corrosive environment, such as a marine environment or chemical plant, stainless steel would be an ideal choice because of its excellent corrosion resistance. If the threaded rod needs to work in a high-temperature environment, such as in a furnace or engine, then a material that can withstand high temperatures should be selected, such as titanium alloy or some special high-temperature alloys. If the threaded rod needs to withstand high tensile, compressive or torsional forces, a material with higher strength and toughness should be selected, such as alloy steel. If the threaded rod needs to have good formability and workability, carbon steel may be a better choice. Aluminum threaded rod is popular in applications where weight reduction is required due to its low density and relatively low cost. Although titanium alloys have excellent properties, they are expensive and are therefore only used in special applications. 4. Select diameter and lengthThe diameter and length of the threaded rod need to be determined according to the specific needs of the project. The diameter determines the load-bearing capacity of the threaded rod, while the length affects ease of installation and use. When selecting, you need to ensure that the diameter and length of the threaded rod can meet the engineering needs, and take into account the tolerances and allowances during installation. 5. Consider thread specificationsThe thread specification is one of the important parameters of the threaded rod, which determines the connection method and fastening force of the threaded rod and other components. When selecting the thread specification, you need to ensure that it matches other components in the project to ensure the reliability and stability of the connection. 6. Evaluate quality and performanceWhen selecting a threaded rod, its quality and performance need to be evaluated. This includes checking the manufacturing process, surface quality, hardness, toughness and other indicators of the threaded rod. At the same time, necessary mechanical property tests, such as tensile tests, torsion tests, etc., are also needed to ensure that the performance of the threaded rod meets engineering needs. 7. Consider suppliers and pricesChoosing the right supplier and price are the last factors to consider when choosing threaded rods. Quality suppliers are usually able to provide better products and services, ensuring the quality and performance of threaded rods. At the same time, price is also one of the factors that need to be considered. It is necessary to choose products with high cost performance while ensuring quality and performance. 8. Conduct actual testing and verificationPractical testing and verification can be done before finalizing your choice. This includes installing selected threaded rods in the works for trial runs or conducting simulation tests to verify their performance and reliability. Actual testing and verification can further ensure that the selected threaded rod will meet the engineering needs. Selecting the appropriate Metal Threaded Rods to meet specific engineering needs is a complex process involving multiple factors and steps. Engineering requirements need to be defined, basic types and specifications of threaded rods understood, material material selected, diameter and length selected, thread specifications considered, quality and performance evaluated, suppliers and prices considered, and actual testing and validation performed.

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