Forged Chain Production Process
Material Preparation: Select appropriate alloy steel materials and carry out the procurement and preparation of raw materials. Commonly used materials include 40Cr cold-drawn round steel or 40CrMo cold-drawn round steel for the pin, 20Cr or 40Cr cold-drawn steel pipe or 20CrMo cold-drawn steel pipe for the sleeve, hot-rolled flat steel 40Cr for the chain plate, …