Technical Report: JIS G 3539 - Carbon Steel Wires for Cold Heading and Cold Forging JIS G 3539:1991
: Often followed by numbers (like 10A, 12K, 15A) indicating carbon content. Heat Treatment Symbols : D : Cold drawn. DA : Annealed after cold drawing. G : Softened by annealing. 💡 Why it matters for Engineers jis g3539 pdf
: These include SWCH 8R, SWCH 10R, and SWCH 12R. Technical Report: JIS G 3539 - Carbon Steel