Austenic-bainite Malleable steel and its preparation

Application Number: 00110911
Application Date: 2000.02.29
Publication Number: 1265430
Publication Date: 2000.09.06
Priority Information:
International: C22C38/28;C22C38/32;C22C38/38
Applicant(s) Name: Jigang Design Inst., Jinan
Address:
Inventor(s) Name: Sun Chuanshui
Patent Agency Code: 37200
Patent Agent: sun jun
Abstract The present invention relates to metallurgy technology and one kind of steel with heterogeneous structure including austenite, bainite and martensite. The austenite-bainite-martensite steel has the chemical composition of C 0.05-1.5%, Mn 0.5-3.0%, Cr 0-1.5%, Si 0.3-2.6%, Mo 0.1-1.2%, B 0-0.08%, RE 0-0.08% and Nb 0-0.05% or V 0-1.2% or Ti 0-0.09%, and Fe and inevitable impurity elements the balance. It has excellent comprehensive performance including high strength, high hardness, high toughness and good weldability.