Jis G3539 Pdf ((link)) <2K>

The is more than just a document—it is a critical tool for ensuring that low carbon steel cold heading wires perform reliably in demanding forming operations. Whether you are producing automotive screws, construction rivets, or electronic terminals, compliance with this standard guarantees consistent quality, safety, and international acceptability.

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Low carbon content (below 0.15%) provides the high ductility required for severe cold heading. Higher carbon would cause cracking during the forming of screw heads or threads.

The wire is supplied in various processed states to match the manufacturer's machinery capabilities: jis g3539 pdf

| | Approx. Carbon Content | Typical Applications | Global Equivalent (Approx.) | |:---|:---|:---|:---| | SWCH8A | ~0.08% | Low-strength rivets, small screws | C8C, AISI 1008 | | SWCH12A | 0.10-0.15% | Standard bolts and nuts | CC11A, C10C | | SWCH22A | 0.18-0.23% | Machine screws, high-strength bolts | C22C, AISI 1022 | | SWCH35K | ~0.35% | High-strength bolts, automotive parts | C35C, AISI 1035 | | SWCH45K | ~0.45% | High-hardness parts | C45C, AISI 1045 |

Detail the requirements like tensile strength and reduction of area.

High-strength structural screws, anchors, and rivets. The is more than just a document—it is

You're looking for the PDF version of JIS G3539, which is a Japanese Industrial Standard (JIS) that specifies the requirements for carbon steel wires for general use.

Using JIS G3539 certified material guarantees and formability . Because the wire is "killed steel" (fully deoxidized), it provides a uniform internal structure, which is critical for high-speed manufacturing where a single brittle spot could break a multi-thousand-dollar die.

The primary goal of this standard was to ensure that the steel wire possessed the proper mechanical properties (tensile strength, elongation) and surface quality to flow into the desired shape without cracking during high-speed, high-pressure cold forming operations. Low carbon content (below 0

A: No, it was withdrawn in 2005 and superseded by JIS G 3507-2:2005.

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Each type has slightly different annealing requirements and surface quality standards. Only the provides the full specification table.