https://patents.google.com/patent/CN106367672A/en
CN106367672A - Nodular cast iron and processing technology thereof - Google Patents
Disclosed is nodular cast iron. The chemical components of the nodular cast iron include, by mass, 3.10-3.90% of C, 2.00-3.40% of Si, 0.2-0.9% of Mn, 0-0.07%...
cast ironprocessing technologygooglepatents