CN103290336A - 一种具有抗高温氧化防腐层的耐磨铸管的制备方法 - Google Patents
一种具有抗高温氧化防腐层的耐磨铸管的制备方法 Download PDFInfo
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106282772A (zh) * | 2016-08-30 | 2017-01-04 | 苏州利德精工制造有限公司 | 一种风力发电设备用轴承及其热处理工艺 |
CN106498290A (zh) * | 2016-10-13 | 2017-03-15 | 南京创贝高速传动机械有限公司 | 一种齿轮箱外表面用的耐腐蚀金属涂层 |
CN107761122A (zh) * | 2017-09-26 | 2018-03-06 | 重庆怡之驰机械有限公司 | 用于管类零部件内壁除锈的方法 |
WO2018103082A1 (zh) * | 2016-12-09 | 2018-06-14 | 孙瑞涛 | 一种热处理钢合金 |
CN112139880A (zh) * | 2020-08-21 | 2020-12-29 | 湖北隐冠轴业有限公司 | 一种电机空心转轴几何形状精度加工方法 |
CN113774326A (zh) * | 2021-08-26 | 2021-12-10 | 浙江交工新材料有限公司 | 一种金属波纹管表面处理方法 |
CN114087426A (zh) * | 2021-11-26 | 2022-02-25 | 安徽省宁国天成电工有限公司 | 耐腐蚀覆膜钢管及其生产方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1149401A (en) * | 1965-06-01 | 1969-04-23 | Nisso Seiko Kabushiki Kaisha | Hot worked cast iron roll |
JP2007197784A (ja) * | 2006-01-27 | 2007-08-09 | Daido Steel Co Ltd | 合金鋼 |
CN101492799A (zh) * | 2009-03-03 | 2009-07-29 | 北京科技大学 | 一种耐磨铸铁涂层及制备方法 |
CN101845939A (zh) * | 2009-03-25 | 2010-09-29 | 宝山钢铁股份有限公司 | 一种石油套管及其制造方法 |
CN101899627A (zh) * | 2009-05-26 | 2010-12-01 | 宁波市鄞州商业精密铸造有限公司 | 耐磨合金铸钢及熔炼、热处理工艺 |
-
2013
- 2013-06-09 CN CN201310232120.XA patent/CN103290336B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1149401A (en) * | 1965-06-01 | 1969-04-23 | Nisso Seiko Kabushiki Kaisha | Hot worked cast iron roll |
JP2007197784A (ja) * | 2006-01-27 | 2007-08-09 | Daido Steel Co Ltd | 合金鋼 |
CN101492799A (zh) * | 2009-03-03 | 2009-07-29 | 北京科技大学 | 一种耐磨铸铁涂层及制备方法 |
CN101845939A (zh) * | 2009-03-25 | 2010-09-29 | 宝山钢铁股份有限公司 | 一种石油套管及其制造方法 |
CN101899627A (zh) * | 2009-05-26 | 2010-12-01 | 宁波市鄞州商业精密铸造有限公司 | 耐磨合金铸钢及熔炼、热处理工艺 |
Non-Patent Citations (1)
Title |
---|
杨德方等: "热处理对34CrNi3Mo铸钢力学性能的影响", 《四川大学学报(工程科学版)》 * |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106282772A (zh) * | 2016-08-30 | 2017-01-04 | 苏州利德精工制造有限公司 | 一种风力发电设备用轴承及其热处理工艺 |
CN106498290A (zh) * | 2016-10-13 | 2017-03-15 | 南京创贝高速传动机械有限公司 | 一种齿轮箱外表面用的耐腐蚀金属涂层 |
CN106498290B (zh) * | 2016-10-13 | 2018-02-13 | 南京创贝高速传动机械有限公司 | 一种齿轮箱外表面用的耐腐蚀金属涂层 |
WO2018103082A1 (zh) * | 2016-12-09 | 2018-06-14 | 孙瑞涛 | 一种热处理钢合金 |
CN107761122A (zh) * | 2017-09-26 | 2018-03-06 | 重庆怡之驰机械有限公司 | 用于管类零部件内壁除锈的方法 |
CN107761122B (zh) * | 2017-09-26 | 2020-03-24 | 重庆怡之驰机械有限公司 | 用于管类零部件内壁除锈的方法 |
CN112139880A (zh) * | 2020-08-21 | 2020-12-29 | 湖北隐冠轴业有限公司 | 一种电机空心转轴几何形状精度加工方法 |
CN113774326A (zh) * | 2021-08-26 | 2021-12-10 | 浙江交工新材料有限公司 | 一种金属波纹管表面处理方法 |
CN113774326B (zh) * | 2021-08-26 | 2024-02-27 | 浙江交工新材料有限公司 | 一种金属波纹管表面处理方法 |
CN114087426A (zh) * | 2021-11-26 | 2022-02-25 | 安徽省宁国天成电工有限公司 | 耐腐蚀覆膜钢管及其生产方法 |
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Effective date of registration: 20150521 Address after: 226661, double floor industrial park, song Tang Town, Nantong County, Jiangsu, Haian (Liu Weicun) Applicant after: Jiangsu Jinshengyuan Special Valves Co., Ltd. Address before: 312365 Zhejiang province Shaoxing Sanyou Village Bridge Songxia town north of Shangyu City No. 91 Applicant before: Yan Jianshan |
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