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Author:
Journal / Book Title:
Year:
Volume:
Issue:
di nie tie su ti bu xiu gang
Author(s):
MIAO Heping
Pages:
66
Year:
1984
Issue:
6
Journal:
Materials for Mechanical Engineering
Keyword:
铁素体不锈钢
;
奥氏体不锈钢
;
应力腐蚀
;
开裂性能
;
低镍
;
耐点蚀性能
;
腐蚀开裂
;
物理性能
;
总含量
;
新型
;
Abstract:
<正> 通常的奥氏体不锈钢至少含20%镍,才具备良好的耐应力腐蚀开裂性能。R249是一种新型的低镍铁素体不锈钢,碳、氮总含量为0.040%(各自最大含量不超过0.025%),含0.4%Si、0.3%Mn、18%Cr、2.2%Mo、10.4%Ti、Ni<0.5%。该钢在NaCl溶液中具有耐点蚀和腐蚀开裂的性能。特别是耐点蚀性能优于AISI316
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