G3539 Pdf — Jis
JIS G3539 outlines the chemical composition, mechanical properties, and testing methods for these wires, ensuring that the raw material can withstand the rigors of the cold heading process.
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Since even minor surface defects can lead to cracks during the cold forging process, JIS G 3539 sets high standards for surface finish and the depth of allowable decarburization. Comparison and Compliance Since even minor surface defects can lead to
The standard covers steel wires intended for cold deformation processes where the material must withstand significant shaping without cracking. It is widely utilized in industries requiring high-volume production of hardware, including automotive, construction, and electronics. Controlled to ensure the material is soft enough
Controlled to ensure the material is soft enough to head, typically measured in HRB (e.g., 85 max HRB for SWCH20A). Gravity Group of Companies 4. Manufacturing Process and Quality Controls Cold Heading Quality: