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JIS A Series-General

SWRCH8A Steel Wire

    Product_Grade: SWRCH8A

    Product_Specs: φ5.5~42mm

    Execution_Standard: JIS G 3507

    Applications: Cold Heading Steel Wire

    Characteristics: SWRCH8A carbon steel wire is extensively used in the automotive manufacturing industry for producing various components like springs, screws, bolts, fasteners, etc.Due to its excellent ductility, SWRCH8A carbon steel wire is suitable for cold forming and cold forging processesSWRCH8A carbon steel wire is suitable for manufacturing fine wire products, such as thin wires, wire ropes, and other fine ···

Product Details

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As a high-quality steel wire, SWRCH8A steel wire is widely used in various industries for its excellent performance and reliable quality. 

The steel wire conforms to JIS G 3507 standard, and its chemical composition, mechanical properties, dimensional tolerances, and other requirements have been strictly inspected to ensure its stability and reliability during use.


According to JIS G 3507 standard, the chemical composition requirements of SWRCH8A steel wire are as follows:

  • Carbon content (C): ≤0.10%

  • Silicon content (Si): ≤0.03%

  • Manganese content (Mn): 0.30-0.60%

  • Phosphorus content (P): ≤0.030%

  • Sulfur content (S): ≤0.035%

At the same time, the standard also stipulates the mechanical performance requirements of SWRCH8A steel wire. For example:

  • The tensile strength of steel wire should not be lower than 570N/mm²

  • The yield strength should not be lower than 335N/mm²

  • The elongation should not be lower than 16%.


In addition, the standard also makes detailed regulations on the dimensional tolerance and surface quality of steel wire.


The SWRCH8A steel wire conforming to the JIS G 3507 standard has shown good weldability and machinability in applications and is widely used in various fields such as automobiles, construction, machinery, and electronics. 

As a professional steel wire manufacturer and supplier, we can provide you with high-quality SWRCH8A steel wire that meets international standards to meet your various needs.


We have many years of production experience, a professional technical team, and a complete quality management system. Our products have passed the ISO 9001 international quality management system certification, and meet the international standards of Europe, the United States, Japan, etc., and can meet the needs of various customers. No matter what you need is a standard specification product or a custom-made wire according to specific requirements, we can provide you with the best quality service and the best price.


If you are looking for a supplier of high-quality SWRCH8A steel wire that meets international standards, please contact us, we will serve you wholeheartedly!

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