Stainless Steel 316L Hex metal Bolts 5/16”-18 and Passivated Finish for Corrosive Environments

Stainless Steel 316L Hex Bolts 5/16”-18 and Passivated Finish for Corrosive Environments

Product Description:

Hex Bolts: Applications and Advantages

Hex bolts are widely used across various industries and products due to their simple design, high strength, and ease of installation. Below are some key applications and advantages of hex bolts:

Industries and Products That Use Hex Bolts

1. Construction Industry
- Hex bolts are commonly used in structural steel connections, such as bridges, building frameworks, and scaffolding. Their ability to handle heavy loads and external forces like wind ensures stability and durability in construction projects.

2. Machinery Manufacturing
- In machinery and equipment assembly, hex bolts are essential for fastening mechanical parts in machinery such as lathes, heavy-duty equipment, and assembly lines. Their high strength and durability make them suitable for machines operating under vibration and heavy loads.

3. Automotive and Transportation
- Hex bolts are widely used in the automotive industry for securing critical parts like chassis, engines, and transmission systems. Their strength and reliability help maintain the vehicle's integrity under high-speed and heavy-duty conditions.

4. Home Appliances and Electronics
- Hex bolts are used to assemble and secure parts in appliances such as air conditioners, washing machines, and televisions. They provide reliable connections and ensure the overall stability of the products.

5. Energy and Petrochemical Industry
- Hex bolts are crucial in wind turbines, nuclear power plants, and petrochemical plants, where they are used in securing large equipment and pipeline systems. Their corrosion resistance and strength allow them to perform in harsh environments.

6. Marine and Offshore Engineering
- In shipbuilding and offshore platforms, hex bolts are used to secure deck fittings, hulls, and equipment. Stainless steel hex bolts, in particular, resist corrosion from seawater, ensuring the longevity of marine structures.

7. Furniture Manufacturing
-Hex bolts are frequently used in the assembly of furniture such as beds, tables, chairs, and cabinets. Their easy installation and firm fastening provide stability and long-term durability to household and office furniture.

Applications:

The main role of passivation includes protecting the metal surface, improving material properties and preventing localised corrosion.

First, protect the metal surface

Passivation can form a protective film on the metal surface, effectively isolate the air, moisture and other external environment on the metal corrosion, to extend the service life of the metal, and maintain its good appearance quality.In a corrosive environment, the protective effect of passivation is particularly significant.

Second, improve material performance

Passivation can not only enhance the corrosion resistance of the metal, but also enhance its hardness and wear resistance.Through specific passivation treatment, the microstructure of the metal surface can be changed, which in turn improves its overall performance.For example, bearings, gears and other metal parts after passivation treatment, service life can be significantly improved.

Third, to prevent local corrosion

Metal surfaces under specific conditions may appear pitting, crevice corrosion and other local corrosion phenomena.Passivation can reduce or prevent the occurrence of these local corrosion, maintain the integrity of the metal surface, to ensure the stability and reliability of metal materials.

Stainless Steel 316L

Stainless Steel 316L is an austenitic stainless steel known for its excellent resistance to corrosion, particularly in chloride-rich environments. The material contains 2-3% molybdenum, which significantly improves its resistance to pitting and crevice corrosion compared to other standard stainless steels. 316L also has lower carbon content (less than 0.03%) compared to 316, which makes it less susceptible to carbide precipitation during welding. This alloy is widely used in marine environments, pharmaceutical equipment, and food processing industries. It is also ideal for chemical processing, petrochemical, and biomedical applications due to its resistance to corrosive chemicals. For maintenance, Stainless Steel 316L should be cleaned with mild detergents and soft cloths to prevent surface scratching and maintain its shine. Avoid harsh chemicals or abrasive scrubbing pads. Periodically, the material should be passivated to enhance its resistance to corrosion, especially in environments exposed to chloride ions. Regular inspections should be carried out to identify any surface damage or early signs of corrosion.

About Us






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Hunan Jiashan Hardware Tech as a branch company of J AND R METALWORK,established in 2007 and located in Changsha, Hunan, China.After almost 17 years management development and technical improvement, Jiashan is willing to be a leading supplier in hardware industry. Meanwhile, we are one of member of Hardware industrial Association and Green energy industry Association.

Jiashan is specialized in milling,turning,lathe 5 axis cnc machining parts,injection molding parts,alumium extrusion parts,laser cutting parts,sheet metal fabrication parts,wire edm parts,vacuum casting parts and fasteners.Those parts are widely service for electric vehicle,solar system,wind power system and construction machinery industry.

During17 years domestic and abroad market investigation, Jiashan's products are sold to many countries and regions including the North America, Europe, Australia, the Middle East and Asia. With owned the advanced cnc machinee, milling machine, polishing machine, stamping machine etc. Jiashan is able to degsin and produce varies OEM parts with drawings or samples provided. Further more, Jiashan also can help to provide a whole solution for modularity R&D of electric vehicle and solar system .

By constantly strengthening our management and consummate the quality guarantee system.In 2023, Jiashan acquired ISO9001:2008 quality certification. Currently,the 5S management mode is implemented in the whole Jiashan system.

Best quality and best service is and will be always our toppest concern.