Stainless Steel 904L Hex Bolts 1/4”-20 Electropolished Finish for Chemical Processing Applications
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:
Hot plating and electroplating are two different metal surface treatment technologies, the main differences are as follows:
Hot Plating:
Process: Zinc-iron alloy plating is formed by immersing metallic zinc in molten state into the surface of the workpiece at a higher temperature.
Characteristics: Thick plating, strong adhesion, effective resistance to corrosion and abrasion, good electrical and thermal conductivity.
Application: Commonly used for industrial products in outdoor environment, such as bridges and highway guardrails.
Electroplating:
Process: Using the principle of electrolysis, a uniform, dense, well-bonded metal film is deposited on the metal surface.
Features: precise control of plating thickness, uniform plating, corrosion resistance, stable process, simple operation.
Application: Widely used in automotive, electronics, aviation and other fields, it can produce a variety of different metal coatings, such as galvanised, chromium plated, gold plated and so on.
The production process mainly includes: preparation of the original plate → pre-plating treatment → hot dip plating → post-plating treatment → finished product inspection.In accordance with the customary often according to the different methods of pre-treatment of hot-dip galvanising process is divided into two categories of off-line annealing and in-line annealing.Outside the line annealing is hot-rolled or cold-rolled steel into the hot-dip galvanising line before the first in the bottom of the annealing furnace or cover-type annealing furnace for recrystallisation annealing, so that the galvanising line does not exist annealing process.The steel sheet must be maintained with a clean, pure iron active surface free from the presence of oxides and other dirt prior to hot-dip galvanising.This is achieved by removing the iron oxide from the annealed surface by pickling, followed by a protective coating of a solvent consisting of zinc chloride or a mixture of ammonium chloride and zinc chloride, which prevents the steel sheet from being re-oxidised.The hot-dip galvanising methods that fall into this category include: wet hot-dip galvanising, sheet steel method and Wheeling hot-dip method.The wet process involves hot-dip galvanising the surface of the steel sheet without drying the solvent (i.e. the surface is still wet) into a zinc bath covered with molten solvent.The disadvantages of this method are: galvanisation can only be carried out in a lead-free state, the alloy layer of the coating is very thick and the adhesion is very bad.Generated zinc dross are accumulated in the zinc and lead liquid interface and can not be deposited on the bottom of the pot (because the specific gravity of zinc dross is greater than the zinc liquid and less than the lead liquid), so that the steel plate because of the zinc layer through the contaminated surface.Therefore, this method has been basically eliminated.
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