CN104438429A - 一种不等壁变径的异型不锈钢钢管的成型方法 - Google Patents
一种不等壁变径的异型不锈钢钢管的成型方法 Download PDFInfo
- Publication number
- CN104438429A CN104438429A CN201410486480.7A CN201410486480A CN104438429A CN 104438429 A CN104438429 A CN 104438429A CN 201410486480 A CN201410486480 A CN 201410486480A CN 104438429 A CN104438429 A CN 104438429A
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- CN
- China
- Prior art keywords
- steel pipe
- rolling
- milling train
- lubrication
- inwall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/156—Making tubes with wall irregularities
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410486480.7A CN104438429B (zh) | 2014-09-23 | 2014-09-23 | 一种不等壁变径的异型不锈钢钢管的成型方法 |
Applications Claiming Priority (1)
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CN201410486480.7A CN104438429B (zh) | 2014-09-23 | 2014-09-23 | 一种不等壁变径的异型不锈钢钢管的成型方法 |
Publications (2)
Publication Number | Publication Date |
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CN104438429A true CN104438429A (zh) | 2015-03-25 |
CN104438429B CN104438429B (zh) | 2016-05-11 |
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CN201410486480.7A Active CN104438429B (zh) | 2014-09-23 | 2014-09-23 | 一种不等壁变径的异型不锈钢钢管的成型方法 |
Country Status (1)
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CN (1) | CN104438429B (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108032040A (zh) * | 2017-12-07 | 2018-05-15 | 浙江世达钢管有限公司 | 一种无缝薄壁不锈钢水管生产工艺 |
CN112222221A (zh) * | 2020-09-23 | 2021-01-15 | 无锡金羊管件有限公司 | 一种不锈钢制的异径弯头的成型工艺 |
CN113617875A (zh) * | 2021-08-10 | 2021-11-09 | 宝银特种钢管有限公司 | 一种高精度椭圆变径管的制造方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2210682A1 (de) * | 2009-07-09 | 2010-07-28 | Leifeld Metal Spinning GmbH | Verfahren und Vorrichtung zum Abstreckdrückwalzen |
CN101890441A (zh) * | 2010-08-06 | 2010-11-24 | 天津润德中天钢管有限公司 | 一种潜水氧气瓶用冷拔无缝管的制造方法 |
CN103143589A (zh) * | 2013-03-25 | 2013-06-12 | 上海奉贤钢管厂 | 一种高性能碳钢无缝管的生产方法 |
CN103934304A (zh) * | 2014-04-14 | 2014-07-23 | 重庆钢铁(集团)有限责任公司 | 一种航空用精密小口径厚壁高温合金管的成型方法 |
-
2014
- 2014-09-23 CN CN201410486480.7A patent/CN104438429B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2210682A1 (de) * | 2009-07-09 | 2010-07-28 | Leifeld Metal Spinning GmbH | Verfahren und Vorrichtung zum Abstreckdrückwalzen |
CN101890441A (zh) * | 2010-08-06 | 2010-11-24 | 天津润德中天钢管有限公司 | 一种潜水氧气瓶用冷拔无缝管的制造方法 |
CN103143589A (zh) * | 2013-03-25 | 2013-06-12 | 上海奉贤钢管厂 | 一种高性能碳钢无缝管的生产方法 |
CN103934304A (zh) * | 2014-04-14 | 2014-07-23 | 重庆钢铁(集团)有限责任公司 | 一种航空用精密小口径厚壁高温合金管的成型方法 |
Non-Patent Citations (1)
Title |
---|
施赛菊: "17-4PH无缝管制管技术的研究", 《冶金标准化与质量》 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108032040A (zh) * | 2017-12-07 | 2018-05-15 | 浙江世达钢管有限公司 | 一种无缝薄壁不锈钢水管生产工艺 |
CN112222221A (zh) * | 2020-09-23 | 2021-01-15 | 无锡金羊管件有限公司 | 一种不锈钢制的异径弯头的成型工艺 |
CN113617875A (zh) * | 2021-08-10 | 2021-11-09 | 宝银特种钢管有限公司 | 一种高精度椭圆变径管的制造方法 |
CN113617875B (zh) * | 2021-08-10 | 2022-07-29 | 宝银特种钢管有限公司 | 一种高精度椭圆变径管的制造方法 |
Also Published As
Publication number | Publication date |
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CN104438429B (zh) | 2016-05-11 |
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Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 277400 Tainan Industrial Park, Jiantou Town, Taierzhuang District, Zaozhuang, Shandong Patentee after: SHANDONG YAOCHENG TECHNOLOGY Co.,Ltd. Address before: 277400 Tainan Industrial Park, Jiantou Town, Taierzhuang District, Zaozhuang, Shandong Patentee before: SHANDONG YAO CHENG NEW MATERIALS TECHNOLOGY Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A kind of forming method of special-shaped stainless steel pipe with unequal wall and variable diameter Effective date of registration: 20220811 Granted publication date: 20160511 Pledgee: Zaozhuang Taierzhuang District sub branch of China Postal Savings Bank Co.,Ltd. Pledgor: SHANDONG YAOCHENG TECHNOLOGY Co.,Ltd. Registration number: Y2022980012419 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |