Development of High-Strength Steel Plates for Low-Temperature Use

[+] Author and Article Information
Y. Nakano, Y. Saito, K. Amano, M. Koda

Iron and Steel Research Laboratories, Kawasaki Steel Corporation, Tokyo, Japan

Y. Sannomiya

Houston Office, Kawasaki Steel Corporation, Tokyo, Japan

E. Kobayashi

Mizushima Works, Kawasaki Steel Corporation, Tokyo, Japan

J. Energy Resour. Technol 110(3), 171-176 (Sep 01, 1988) (6 pages) doi:10.1115/1.3231378 History: Received November 01, 1987; Revised June 10, 1988; Online October 22, 2009


This paper describes the metallurgical approaches for producing 415MPa and 460MPa yield strength offshore structural steel plates and the mechanical properties of the steel plates and their welded joints. A thermo-mechanical control process (TMCP) was adopted to manufacture YP415MPa and YP460MPa steel plates with weldability comparable to conventional YP355MPa steel plates. The Charpy impact and CTOD tests of the steel plates and their welded joints proved to be very good.

Copyright © 1988 by ASME
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