发明名称 |
METHOD FOR PRODUCING PLUG FOR HEAT FORMED PIPE |
摘要 |
A plug for hot tube-making having a sprayed coating resistant to peeling is provided. A method for producing a plug for hot tube-making according to the present embodiment includes a step of preparing a plug whose surface includes a sprayed coating formed thereon, the sprayed coating containing iron and an iron oxide; and a heat treatment step during which the plug is kept at 400°C to 550°C for 5 to 60 minutes. |
申请公布号 |
EP2839891(A1) |
申请公布日期 |
2015.02.25 |
申请号 |
EP20130777664 |
申请日期 |
2013.03.06 |
申请人 |
NIPPON STEEL & SUMITOMO METAL CORPORATION |
发明人 |
HIDAKA, YASUYOSHI;HIGASHIDA, YASUTO;SHIMODA, KAZUHIRO |
分类号 |
C23C4/06;B21B19/04;B21B25/00;B21B25/04;C23C4/131;C23C4/18 |
主分类号 |
C23C4/06 |
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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