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Ferritic stainless steel excellent in high temperature oxidation resistance, high temperature creep strength and high temperature tensile strength

机译:铁素体不锈钢具有优异的高温抗氧化性,高温蠕变强度和高温拉伸强度

摘要

PROBLEM TO BE SOLVED: To provide a ferritic stainless steel excellent in high temperature oxidation resistance, high temperature creep strength, volume fraction of deposition amount of a Laves phase and high temperature tensile strength under high temperature and corrosion burning gas environment.SOLUTION: There is provided a ferritic stainless steel excellent in high temperature oxidation resistance, high temperature creep strength and high temperature tensile strength, containing, by mass%, C:0.04% or less, Si:0.40 to 1.20%, Mn:0.01 to 0.40%, P:0.040% or less, S:0.030% or less, Cr:18.00 to 25.00%, Al:0.60 to 1.40%, Ti:0.10 to 0.90%, Nb:0.10 to 1.20%, N:0.03% or less and further one of Mo and W:0.50 to 3.00% or both of Mo and W:0.50 to 3.00%, satisfying (Si+Al):1.00 to 2.60% and (Ti+Nb):4(C+N) to 1.60% in a range of the chemical component described above with the balance consisting of Fe with inevitable impurities.SELECTED DRAWING: None
机译:解决的问题:提供一种在高温和腐蚀性气体环境下具有优异的高温抗氧化性,高温蠕变强度,Laves相沉积量的体积分数和高温拉伸强度的铁素体不锈钢。提供了一种具有优异的高温抗氧化性,高温蠕变强度和高温拉伸强度的铁素体不锈钢,以质量%计,C:0.04%以下,Si:0.40〜1.20%,Mn:0.01〜0.40%,P :0.040%以下,S:0.030%以下,Cr:18.00至25.00%,Al:0.60至1.40%,Ti:0.10至0.90%,Nb:0.10至1.20%,N:0.03%以下Mo和W的含量:0.50至3.00%或Mo和W的含量:0.50至3.00%,满足(Si + Al):1.00至2.60%和(Ti + Nb):4(C + N)至1.60%上述化学成分的范围,其余部分由铁和不可避免的杂质组成。

著录项

  • 公开/公告号JP6425959B2

    专利类型

  • 公开/公告日2018-11-21

    原文格式PDF

  • 申请/专利权人 山陽特殊製鋼株式会社;

    申请/专利号JP20140210232

  • 发明设计人 妙瀬田 真理;

    申请日2014-10-14

  • 分类号C22C38;C22C38/28;C22C38/52;

  • 国家 JP

  • 入库时间 2022-08-21 12:17:50

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