阅读说明：本技术 经冷轧的马氏体钢及其马氏体钢的方法 (Cold-rolled martensitic steel and method for martensitic steel ) 是由 马蒂厄·西本特里特 文森特·洛伊斯特 奥雷莉·埃斯诺 于 2020-06-05 设计创作，主要内容包括：一种经冷轧的马氏体钢板,所述经冷轧的马氏体钢板包含以下元素：0.3％≤C≤0.4％；0.5％≤Mn≤1％；0.2％≤Si≤0.6％；0.1％≤Cr≤1％；0.01％≤Al≤1％；0.01％≤Mo≤0.5％；0.001％≤Ti≤0.1％；0％≤S≤0.09％；0％≤P≤0.09％；0％≤N≤0.09％；0％≤Nb≤0.1％；0％≤V≤0.1％；0％≤Ni≤1％；0％≤Cu≤1％；0％≤B≤0.05％；0.001％≤Ca≤0.01％；0％≤Sn≤0.1％；0％≤Pb≤0.1％；0％≤Sb≤0.1％；剩余部分组成由铁和由加工引起的不可避免的杂质组成,钢的显微组织以面积百分比计：至少95％的马氏体,累积量为1％至5％的铁素体和贝氏体,以及0％至2％的任选量的残余奥氏体。(A cold-rolled martensitic steel sheet comprising the following elements: c is more than or equal to 0.3 percent and less than or equal to 0.4 percent; mn is more than or equal to 0.5 percent and less than or equal to 1 percent; si is more than or equal to 0.2 percent and less than or equal to 0.6 percent; cr is between 0.1 and 1 percent; al is more than or equal to 0.01 percent and less than or equal to 1 percent; mo is between 0.01 and 0.5 percent; ti is more than or equal to 0.001 percent and less than or equal to 0.1 percent; s is more than or equal to 0% and less than or equal to 0.09%; p is more than or equal to 0 percent and less than or equal to 0.09 percent; n is more than or equal to 0% and less than or equal to 0.09%; nb is between 0 and 0.1 percent; v is between 0% and 0.1%; ni is between 0% and 1%; cu is more than or equal to 0% and less than or equal to 1%; b is between 0% and 0.05%; ca is more than or equal to 0.001% and less than or equal to 0.01%; sn is between 0 and 0.1 percent; pb is between 0 and 0.1 percent; sb is between 0 and 0.1 percent; the remainder consisting of iron and unavoidable impurities resulting from the working, the microstructure of the steel being, in area percent: at least 95% martensite, 1% to 5% ferrite and bainite in cumulative amount, and 0% to 2% residual austenite in optional amount.)