发明名称 |
Stainless steel having passive fluoride film formed thereon and equipment manufactured therefrom |
摘要 |
A stainless steel with a passive state fluorinated film formed thereon, which is easy to construct and does not produce particles even when it is welded, and a device using the same. The stainless steel does not cause leakage even when said film is formed on a sealing surface of a joint and a valve seat surface. The stainless steel is characterized in that at least a part of the surface coated with a passive state fluorinated film not thicker than 190Å consisting of a metal fluoride as a main component.
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申请公布号 |
US6699603(B1) |
申请公布日期 |
2004.03.02 |
申请号 |
US20010857117 |
申请日期 |
2001.12.26 |
申请人 |
STELLA CHEMIFA KABUSHIKI KAISHA |
发明人 |
OHMI TADAHIRO;KIKUYAMA HIROHISA;MIYASHITA MASAYUKI;IZUMI HIROTO;KUJIME TAKANOBU |
分类号 |
C23C8/08;C23C8/80;(IPC1-7):C23C8/06 |
主分类号 |
C23C8/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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