High-strength cold-rolled steel sheets having tensile strength of from 350 to 1500 MPa with a wide variety of features have been developed by using the continuous annealing process consisting of water-quenching system. Newly developed high-strength steels include dual-phase steels with high bake-hardenability, dual-phase steels with low yield ratio and excellent ductility, dual-phase steels with high deep drawability, ultra high-strength steels and extra deep drawing high-strength steels. This paper describes the metallurgical characteristics of the products of the continuous annealing process consisting of water-quenching system, processing conditions and mechanical properties of these high-strength steels, and their application to automobiles.
Development of high-strength cold-rolled steel sheets for automotive use by continuous annealing
Entwicklung von hochfesten, kaltgewalzten Stahlblechen fuer den Automobilbau durch kontinuierliches Gluehen
High Strength Steel for Automotive Use. SAE Int. Congr. and Exposition ; P-124 ; 109-121
1983
13 Seiten, 16 Bilder, 4 Tabellen, 12 Quellen
Aufsatz (Konferenz)
Englisch
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