MECHANICAL PROPERTIES OF 9% Ni STEEL PLATES PRODUCED FROM CONTINUOUSLY CAST SLABS.

Ryoji Kinaka, Osamu Furukimi, Takahiro Kubo, Taketo Okumura, Masahiro Shingyoji, Junichi Kudo

    研究成果: Contribution to journalArticle査読

    抄録

    From a low-P (0. 006% max), low-S(0. 002% max) continuously cast slab, 9% Ni steel plates for LNG storage tanks were produced by the direct quenching and tempering process (MACS-T) and reheat-quenching and tempering process (RQ-T). In the MACS-T process, slab-reheating and finish-rolling temperatures were increased in order to increase ductile fracture energy by decreasing the amount of precipitated austenite. Reliability for LNG storage tanks was examined by conducting fracture toughness tests on these steel plates and their welded joints. As a result, it was shown that these steel plates and their welded joints had good crack initiation and arrest toughness.

    本文言語英語
    ページ(範囲)64-72
    ページ数9
    ジャーナルKawasaki Steel Technical Report
    17
    出版ステータス出版済み - 10 1 1987

    All Science Journal Classification (ASJC) codes

    • 金属および合金

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