The present invention relates to a liquefied gas storage tank and a ship. The liquefied gas storage tank of the present invention is the liquefied gas storage tank comprising a weld used for welding of a Ni alloy steel base material, wherein the weld includes 0.025 to 0.2 wt% of carbon (C); 0.2 to 1 wt% of silicon (Si); 7 wt% or less of manganese (Mn); 10 to 20 wt% of nickel (Ni); 15 to 20 wt% of chromium (Cr); 2 to 5 wt% of molybdenum (Mo); and 0.05 to 0.17 wt% of nitrogen (N).

    본 발명은 액화가스 저장탱크 및 선박에 관한 것으로서, 본 발명의 액화가스 저장탱크는, Ni 합금강 모재의 용접에 사용되는 용접물을 포함하는 액화가스 저장탱크에 있어서, 상기 용접물은, 중량%로, 탄소(C): 0.025~0.2%, 실리콘(Si): 0.2~1%, 망간(Mn): 7% 이하, 니켈(Ni): 10~20%, 크롬(Cr): 15~20%, 몰리브덴(Mo): 2~5%, 질소(N): 0.05~0.17%를 포함하는 것을 특징으로 한다.


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    Title :

    LIQUEFIED GAS STORAGE TANK AND SHIP HAVING THE SAME


    Additional title:

    용접물 및 이를 적용한 액화가스 저장탱크


    Contributors:
    WON JU YEON (author) / JEE CHUN HO (author) / JEONG SEOK JIN (author) / YOO DONG HYUN (author)

    Publication date :

    2021-05-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B23K Löten , SOLDERING OR UNSOLDERING / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / C22C Legierungen , ALLOYS



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