Stainless steel hexagonal bolts process and application industry

Stainless steel hexagonal bolts process and application industry

1. Normalizing: screws heated to the critical point of AC3 or ACM above the appropriate temperature to maintain a certain period after cooling in the air to get the pearlite-like organization of the heat treatment process.

2. annealing: the eutectic screws will be heated to AC3 above 20-40 degrees after holding for some time, with the furnace slowly cooled (or buried in sand or lime cooling) to 500 degrees below the cooling in the air heat treatment process.

3. Solid solution heat treatment: The alloy is heated to a high-temperature single-phase area at a constant temperature so that the excess phase is fully dissolved into the solid solution, and then it is cooled rapidly to obtain a supersaturated solid solution heat treatment process.

4. Aging: After solid solution heat treatment or cold plastic deformation of the alloy, it is placed at room temperature or slightly above room temperature to maintain the phenomenon of its properties changing over time.

5. Solid solution treatment: so that the alloy in a variety of phases fully dissolved, strengthening the solid solution and improving toughness and corrosion resistance, eliminating stress and softening, to continue processing molding

6. Ageing: Heating and holding at the temperature at which the reinforcing phases precipitate to harden and increase strength.

7. Quenching: austenitizing steel after cooling at an appropriate cooling rate so that the workpiece is in the cross-section of all or a specific range of unstable organizational structures of martensite and other transformations in the heat treatment process.

8. Tempering: A heat treatment process in which a hardened workpiece is heated to a suitable temperature below the critical point AC1 for a certain period and subsequently cooled by a method that meets the requirements to obtain the desired organization and properties.

Stainless steel screws are mainly made of stainless steel, a material that has excellent corrosion resistance and can withstand a wide range of chemicals. At the same time, stainless steel screws also have high strength and hardness and can withstand large tensile and shear forces. In addition, stainless steel screws have good resistance to high temperatures and can maintain stable performance in high-temperature environments.

There are many types of stainless steel screws, including hexagon bolts, hexagon bolts, screw rods, stainless steel self-tapping screws, stainless steel wood screws, stainless steel tooth rods, and stainless steel combination screws. These different types of screws have their characteristics and uses and can be selected according to specific needs.

18-8 Stainless Steel Flanged Button Head Screws:18-8 stainless steel screws have good chemical resistance and may be mildly magnetic. The flange distributes pressure across a wide surface, eliminating the need for a separate washer. Head height includes the flange. Length is measured from under the flange.

Passivated stainless steel screws provide added protection against oxidation and corrosion.

Metric 316 Stainless Steel Flanged Button Head Screws:316 stainless steel screws resist corrosion from chemicals and saltwater better than 18-8 stainless steel screws. They have a flange that distributes pressure across a wide surface, eliminating the need for a separate washer. All are passivated for added protection against oxidation and corrosion. Screws may be mildly magnetic. Head height includes the flange. Length is measured from under the flange.

Stainless Steel Flanged Hex Head Screws: Made from 18-8 stainless steel, these screws have good chemical resistance and may be mildly magnetic. The flange distributes pressure where the screw meets the surface, eliminating the need for a separate washer. Head height includes the flange. Length is measured from under the flange.

Inch screws meet ASTM F593 material quality standards and IFI 111 dimensional standards.

Metric screws meet DIN 6921 dimensional standards.

Stainless Steel Flanged Hex Head Screws with Slotted Drive: Install these screws with a wrench or a screwdriver. The flange distributes pressure where the screw meets the surface, eliminating the need for a separate washer. Dimensions meet ASME B18.6.3 specifications. Head height includes the flange. Length is measured from under the flange.

18-8 stainless steel screws have good chemical resistance and may be mildly magnetic. Three hundred sixteen stainless steel screws are more corrosion resistant than 18-8 stainless steel screws and have excellent resistance to chemicals and salt water. They may be mildly magnetic.

Match the thread spacing of mating components. Coarse threads are the industry standard; choose these screws if you don’t know the threads per inch. Fine threads are closely spaced to prevent loosening from vibration.

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In terms of applications, stainless steel screws are widely used. In the construction industry, stainless steel screws are used to connect various components to ensure the stability and safety of the building structure. In the machinery manufacturing industry, stainless steel screws are used to fix mechanical parts to ensure the regular operation of equipment. In the electronics industry, stainless steel screws are widely used in the connection of circuit boards because of their excellent electrical conductivity. In addition, stainless steel screws also play an essential role in aerospace, shipbuilding, automobile manufacturing and other fields.

With the continuous progress of science and technology and the rapid development of industry, the application fields of stainless steel screws are still expanding. The research and development of new stainless steel materials make the screws more superior in performance to meet the more complex and demanding use of the environment. At the same time, the production process of stainless steel screws is also improving, improving production efficiency and product quality.