DUPLEX STAINLESS STEEL
    1.
    发明公开
    DUPLEX STAINLESS STEEL 审中-公开
    双相不锈钢

    公开(公告)号:EP2753724A1

    公开(公告)日:2014-07-16

    申请号:EP12830561.2

    申请日:2012-09-05

    申请人: Outokumpu Oyj

    摘要: The invention relates a duplex ferritic austenitic stainless steel having high formability utilizing the TRIP effect and high corrosion resistance with the balanced pitting resistance equivalent. The duplex stainless steel contains less than 0,04 weight % carbon, less than 0,7 weight % silicon, less than 2,5 weight % manganese, 18,5-22,5 weight % chromium, 0,8-4,5 weight % nickel, 0,6-1,4 weight % molybdenum, less than 1 weight % copper, 0,10-0,24 weight % nitrogen, the rest being iron and inevitable impurities occurring in stainless steels.

    摘要翻译: 本发明涉及一种双相铁素体奥氏体不锈钢,其利用TRIP效应和高耐腐蚀性以及平衡耐点蚀性当量具有高成形性。 双相不锈钢含有小于0.04重量%的碳,小于0.7重量%的硅,小于2.5重量%的锰,18.5-22.5重量%的铬,0.8-4.5 重量%的镍,0.6-1.4重量%的钼,小于1重量%的铜,0,10-0,24重量%的氮,其余为铁和不锈钢中出现的不可避免的杂质。

    DUPLEX STAINLESS STEEL
    2.
    发明公开
    DUPLEX STAINLESS STEEL 审中-公开
    双相不锈钢

    公开(公告)号:EP3158101A1

    公开(公告)日:2017-04-26

    申请号:EP15809637.0

    申请日:2015-06-11

    申请人: Outokumpu Oyj

    摘要: The invention relates to a duplex ferritic austenitic stainless steel having high formability utilizing the TRIP effect and high corrosion resistance with the high pitting resistance equivalent. The duplex stainless steel contains less than 0,04 weight % carbon, 0,2-0,8 weight % silicon, 0,3-2,0 weight % manganese, 4,0-19,0 weight % chromium, 2,0-5,0 weight % nickel, 4,0-7,0 weight % molybdenum, less than 4,5 weight % tungsten, 0,1-1,5 weight % copper, 0,14-0,23 weight % nitrogen, the rest being iron and inevitable impurities occurring in stainless steels. Further, the co-effect of the chromium, molybdenum and tungsten contents in weight % is in the range of 20

    摘要翻译: 本发明涉及利用TRIP效应和高耐腐蚀性以及高耐点蚀性的高成形性双相铁素体奥氏体不锈钢。 双相不锈钢含有小于0.04重量%的碳,0.2-0.8重量%的硅,0.3-2.0重量%的锰,4.0-0.19重量%的铬,2.0 -5.0重量%的镍,4.0-7.0重量%的钼,少于4.5重量%的钨,0.1-1.5重量%的铜,0.14-0.23重量%的氮, 其余的是铁和不锈钢中不可避免的杂质。 此外,重量%中铬,钼和钨含量的协同作用在20 <(Cr + Mo + 0.5W)<23.5的范围内,其中Cr /(Mo + 0.5W) 在2 - 4,75的范围内。

    DUPLEX STAINLESS STEEL
    4.
    发明公开
    DUPLEX STAINLESS STEEL 审中-公开
    DUPLEXEDELSTAHL

    公开(公告)号:EP3102714A1

    公开(公告)日:2016-12-14

    申请号:EP15743800.3

    申请日:2015-02-02

    申请人: Outokumpu Oyj

    摘要: The invention relates to a duplex ferritic austenitic stainless steel having high formability utilizing the TRIP effect and high corrosion resistance with the balanced pitting resistance equivalent. The duplex stainless steel contains less than 0,04 weight % carbon, 0,2 - 0,8 weight % silicon, less than 2,0 weight % manganese, 16,5 - 19,5 weight % chromium, 3,0 - 4,7 weight % nickel, 1,5 - 4,0 weight % molybdenum, less than 3,5 weight % tungsten, less than 1 weight % copper, 0,13 - 0,26 weight % nitrogen, the rest being iron and inevitable impurities occurring in stainless steels.

    摘要翻译: 本发明涉及一种利用TRIP效应具有高成形性和高耐腐蚀性并具有平衡点蚀电阻当量的双相铁素体奥氏体不锈钢。 双相不锈钢含有小于0.04重量%的碳,0.2-0.8重量%的硅,小于2.0重量%的锰,16.5-19.5重量%的铬,3.0-4.7重量%的镍,1.5-4.0重量%的钼,小于3.5 重量%的钨,小于1重量%的铜,0.13-0.26重量%的氮,其余的是铁和不可避免的杂质以不锈钢的形式出现。