The standard covers technical aspects essential for high-stress forging processes:
is a Japanese Industrial Standard that specifies the requirements for low carbon steel wires intended for general cold heading (cold forging). These wires are used to manufacture small machine parts, screws, nuts, bolts, rivets, and other formed components without heat treatment prior to forming. jis g3539 pdf
Many suppliers claim “JIS equivalent.” By referencing the actual JIS G3539 PDF, you can reject materials that do not meet the exact specifications. refer to or JIS G4315 .
No. For stainless steel cold heading wire, refer to or JIS G4315 . jis g3539 pdf