THICK STEEL PLATE

THICK STEEL PLATE

PURPOSE: A thick-sheet iron plate is provided to control the area rate of a island shape martensite among the structure of the plate for improving the toughness of a weld heat-affected unit. CONSTITUTION: A thick-sheet iron plate contains 0.03~0.15 mass% of C, 1.0~2.0 mass% of Mn, less than 0.25 mas...

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Bibliographische Detailangaben
Hauptverfasser: SHIMOYAMA SATOSHI, NAKO HIDENORI, DEURA TETSUSHI, TANI TOKUTAKA, SUGITANI TAKASHI, OKAZAKI YOSHITOMI, KANEKO MASAHITO
Format: Patent
Sprache:eng ; kor
Schlagworte:
ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:PURPOSE: A thick-sheet iron plate is provided to control the area rate of a island shape martensite among the structure of the plate for improving the toughness of a weld heat-affected unit. CONSTITUTION: A thick-sheet iron plate contains 0.03~0.15 mass% of C, 1.0~2.0 mass% of Mn, less than 0.25 mass% of Si, less than 0.03 mass% of P, less than 0.015 mass% of S, less than 0.005~0.05 mass% of Al, 0.010~0.080 mass% of Ti, 0.002~0.10 mass% of Nb, 0.0005~0.010 mass% of Ca, 0.002~0.020 mass% of N, and Fe and an impurity.