CN1216173C - 一种钙稀土锡系复合易切削钢及其冶炼工艺 - Google Patents
一种钙稀土锡系复合易切削钢及其冶炼工艺 Download PDFInfo
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- CN1216173C CN1216173C CN 03136920 CN03136920A CN1216173C CN 1216173 C CN1216173 C CN 1216173C CN 03136920 CN03136920 CN 03136920 CN 03136920 A CN03136920 A CN 03136920A CN 1216173 C CN1216173 C CN 1216173C
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CN 03136920 CN1216173C (zh) | 2003-06-02 | 2003-06-02 | 一种钙稀土锡系复合易切削钢及其冶炼工艺 |
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CN 03136920 CN1216173C (zh) | 2003-06-02 | 2003-06-02 | 一种钙稀土锡系复合易切削钢及其冶炼工艺 |
Publications (2)
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CN1456699A CN1456699A (zh) | 2003-11-19 |
CN1216173C true CN1216173C (zh) | 2005-08-24 |
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CN 03136920 Expired - Fee Related CN1216173C (zh) | 2003-06-02 | 2003-06-02 | 一种钙稀土锡系复合易切削钢及其冶炼工艺 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106978570B (zh) * | 2017-03-17 | 2018-10-26 | 北京科技大学 | 一种含有较高锡含量的易切削钢及制备方法 |
CN113684420B (zh) * | 2021-08-17 | 2022-06-24 | 浙江青山钢铁有限公司 | 一种钙碲稀土复合处理的超易切削不锈钢及其制备方法 |
CN114086061B (zh) * | 2021-10-28 | 2023-03-03 | 马鞍山钢铁股份有限公司 | 一种6.8级耐蚀冷镦钢及其生产方法 |
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C06 | Publication | ||
PB01 | Publication | ||
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ASS | Succession or assignment of patent right |
Owner name: LAIWU IRON & STEEL GROUP CO., LTD. Free format text: FORMER OWNER: BEIJING UNIV. OF SCIENCE AND TECHNOLOGY Owner name: BEIJING UNIV. OF SCIENCE AND TECHNOLOGY Effective date: 20040709 |
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C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20040709 Address after: 271104 Shandong Laiwu Steel Group Ltd technology center, Laiwu iron and steel area, Shandong, China Applicant after: Laiwu Iron & Steel Group Corp., Ltd. Co-applicant after: University of Science and Technology Beijing Address before: 100083 No. 30, Haidian District, Beijing, Xueyuan Road Applicant before: University of Science and Technology Beijing |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |