Title: Method for regulating nodulizing rate of ductile iron in front of furnace
Application Number: 88109677 Application Date: 1988.10.25
Publication Number: 1042186 Publication Date: 1990.05.16
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: B22D1/00,C21C1/10,C22C33/08
Applicant(s) Name: Inst., of Mechanical Design, Shandong Prov. Address:
Inventor(s) Name:
Attorney & Agent: XIN XIAOYUE
Abstract:
     The said invention features that the creep rate of creep cast iron is regulated on the spot of furnace by adding in QR, PR regulating agents, so that the required range of creep rate of the molten creep cast iron can be reached.
Time: 7