CN100493753C - Precision cold-drawing method of high precision and high strength 27SiMn seamless steel pipe - Google Patents
Precision cold-drawing method of high precision and high strength 27SiMn seamless steel pipe Download PDFInfo
- Publication number
- CN100493753C CN100493753C CNB2007100514965A CN200710051496A CN100493753C CN 100493753 C CN100493753 C CN 100493753C CN B2007100514965 A CNB2007100514965 A CN B2007100514965A CN 200710051496 A CN200710051496 A CN 200710051496A CN 100493753 C CN100493753 C CN 100493753C
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- Prior art keywords
- steel pipe
- seamless steel
- shell
- cold
- high strength
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 16
- 239000010959 steel Substances 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000010622 cold drawing Methods 0.000 title abstract description 4
- 238000007127 saponification reaction Methods 0.000 claims abstract description 10
- 238000000137 annealing Methods 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 8
- 230000003746 surface roughness Effects 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- -1 crack Substances 0.000 claims description 3
- 230000002950 deficient Effects 0.000 claims description 3
- 239000011229 interlayer Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 6
- 229910004534 SiMn Inorganic materials 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 241000233805 Phoenix Species 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
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- Metal Extraction Processes (AREA)
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Abstract
Description
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNB2007100514965A CN100493753C (en) | 2007-02-07 | 2007-02-07 | Precision cold-drawing method of high precision and high strength 27SiMn seamless steel pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CNB2007100514965A CN100493753C (en) | 2007-02-07 | 2007-02-07 | Precision cold-drawing method of high precision and high strength 27SiMn seamless steel pipe |
Publications (2)
Publication Number | Publication Date |
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CN101011710A CN101011710A (en) | 2007-08-08 |
CN100493753C true CN100493753C (en) | 2009-06-03 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNB2007100514965A Active CN100493753C (en) | 2007-02-07 | 2007-02-07 | Precision cold-drawing method of high precision and high strength 27SiMn seamless steel pipe |
Country Status (1)
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CN (1) | CN100493753C (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101786112B (en) * | 2010-01-21 | 2012-02-01 | 四川安吉精密管业制造有限公司 | Manufacturing method of gas cylinder steel tube for long-tube trailer |
CN102720943A (en) * | 2012-06-27 | 2012-10-10 | 德阳钰鑫机械制造有限公司 | Seamless steel pipe for long pipe trailer and manufacturing method for seamless steel pipe |
CN103341511B (en) * | 2013-06-27 | 2015-12-23 | 宜昌中南精密钢管有限公司 | The precise cold draw out method of a kind of high accuracy, high strength, high tenacity seamless steel pipe |
CN103302133B (en) * | 2013-06-27 | 2015-10-28 | 宜昌中南精密钢管有限公司 | The precise cold draw out method of a kind of high accuracy, high strength 30CrMnSi seamless steel pipe |
CN104646449A (en) * | 2013-11-16 | 2015-05-27 | 无锡大金高精度冷拔钢管有限公司 | Manufacturing method for cold drawn welded pipe used for hydraulic oil cylinders |
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2007
- 2007-02-07 CN CNB2007100514965A patent/CN100493753C/en active Active
Also Published As
Publication number | Publication date |
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CN101011710A (en) | 2007-08-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Precision Cold Drawing Method for 27SiMn Seamless Steel Pipe with High Precision and High Strength Effective date of registration: 20230315 Granted publication date: 20090603 Pledgee: Bank of China Limited by Share Ltd. Three Gorges Branch Pledgor: YICHANG ZHONGNAN PRECISION STEEL PIPE CO.,LTD. Registration number: Y2023980035029 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20090603 Pledgee: Bank of China Limited by Share Ltd. Three Gorges Branch Pledgor: YICHANG ZHONGNAN PRECISION STEEL PIPE CO.,LTD. Registration number: Y2023980035029 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right |