CN112404126B - 一种改善易切削钢盘条硫化物形态的控轧控冷方法 - Google Patents
一种改善易切削钢盘条硫化物形态的控轧控冷方法 Download PDFInfo
- Publication number
- CN112404126B CN112404126B CN202011181028.1A CN202011181028A CN112404126B CN 112404126 B CN112404126 B CN 112404126B CN 202011181028 A CN202011181028 A CN 202011181028A CN 112404126 B CN112404126 B CN 112404126B
- Authority
- CN
- China
- Prior art keywords
- rolling
- temperature
- wire rod
- free
- controlled
- 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.)
- Active
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 193
- 238000001816 cooling Methods 0.000 title claims abstract description 54
- 229910000915 Free machining steel Inorganic materials 0.000 title claims abstract description 52
- 125000000101 thioether group Chemical group 0.000 title claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 75
- 239000010959 steel Substances 0.000 claims abstract description 75
- 238000010438 heat treatment Methods 0.000 claims abstract description 60
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000009987 spinning Methods 0.000 claims abstract description 18
- 229910052717 sulfur Inorganic materials 0.000 claims description 24
- 229910052698 phosphorus Inorganic materials 0.000 claims description 8
- 238000002791 soaking Methods 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 abstract description 35
- 238000012545 processing Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 11
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 150000003568 thioethers Chemical class 0.000 abstract 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 20
- 239000011593 sulfur Substances 0.000 description 20
- 230000000052 comparative effect Effects 0.000 description 14
- 150000004763 sulfides Chemical class 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 10
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 229910052711 selenium Inorganic materials 0.000 description 7
- 239000011669 selenium Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 229910052714 tellurium Inorganic materials 0.000 description 6
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 6
- 239000011572 manganese Substances 0.000 description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- 238000009749 continuous casting Methods 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 229910052797 bismuth Inorganic materials 0.000 description 3
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000005098 hot rolling Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000002923 metal particle Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910052895 riebeckite Inorganic materials 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- -1 FeSe Chemical class 0.000 description 1
- 229910001111 Fine metal Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 239000002173 cutting fluid Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 150000003346 selenoethers Chemical class 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- CADICXFYUNYKGD-UHFFFAOYSA-N sulfanylidenemanganese Chemical compound [Mn]=S CADICXFYUNYKGD-UHFFFAOYSA-N 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B2001/225—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length by hot-rolling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Metal Rolling (AREA)
Abstract
Description
牌号 | C | Si | Mn | P | S | Cr | Ni | Cu |
Y1215 | ≤0.09 | ≤0.08 | 1.10-1.40 | 0.04-0.09 | 0.33-0.42 | ≤0.25 | ≤0.25 | ≤0.25 |
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011181028.1A CN112404126B (zh) | 2020-10-29 | 2020-10-29 | 一种改善易切削钢盘条硫化物形态的控轧控冷方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011181028.1A CN112404126B (zh) | 2020-10-29 | 2020-10-29 | 一种改善易切削钢盘条硫化物形态的控轧控冷方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112404126A CN112404126A (zh) | 2021-02-26 |
CN112404126B true CN112404126B (zh) | 2022-04-08 |
Family
ID=74841815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011181028.1A Active CN112404126B (zh) | 2020-10-29 | 2020-10-29 | 一种改善易切削钢盘条硫化物形态的控轧控冷方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112404126B (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113814280B (zh) * | 2021-08-17 | 2023-09-15 | 首钢集团有限公司 | 一种低矫顽力易切削钢的轧制方法 |
CN114406011B (zh) * | 2022-01-10 | 2024-01-09 | 南京钢铁股份有限公司 | 一种低碳高硫易切削窄带钢热轧工艺 |
CN114453413B (zh) * | 2022-01-12 | 2024-02-27 | 山东工业职业学院 | 含硫易切削不锈钢盘条的轧制方法 |
CN114871270A (zh) * | 2022-06-16 | 2022-08-09 | 浙江青山钢铁有限公司 | 一种软磁不锈钢盘条的高线轧制方法 |
CN115433879A (zh) * | 2022-08-18 | 2022-12-06 | 包头钢铁(集团)有限责任公司 | 一种组织性能均匀的低碳低硅易切削钢及其制备方法 |
Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5684107A (en) * | 1979-12-10 | 1981-07-09 | Kawasaki Steel Corp | Manufacture of seamless steel pipe of sulfur free cutting steel |
JPH03120314A (ja) * | 1989-10-02 | 1991-05-22 | Kobe Steel Ltd | Pb―Bi系超快削鋼の分塊方法 |
JP2000063989A (ja) * | 1998-08-19 | 2000-02-29 | Nkk Joko Kk | 超快削鋼棒線材の製造方法及びそれによる超快削鋼棒線材 |
JP2001137908A (ja) * | 1999-11-05 | 2001-05-22 | Nippon Koshuha Steel Co Ltd | 高s快削ステンレス鋼の熱間圧延方法 |
JP2003253390A (ja) * | 2002-03-07 | 2003-09-10 | Kobe Steel Ltd | 低炭素硫黄系快削鋼線材およびその製造方法 |
CN1608758A (zh) * | 2004-11-22 | 2005-04-27 | 宝钢集团上海五钢有限公司 | 高硫(硫磷)易切削结构钢的热连轧生产方法 |
JP2006124790A (ja) * | 2004-10-29 | 2006-05-18 | Jfe Steel Kk | 快削鋼およびその製造方法 |
JP2007319872A (ja) * | 2006-05-30 | 2007-12-13 | Kobe Steel Ltd | 高s快削鋼線材の製造方法 |
CN101386031A (zh) * | 2007-09-10 | 2009-03-18 | 南京钢铁联合有限公司 | 含铅易切削钢的轧制工艺 |
CN101417384A (zh) * | 2008-07-29 | 2009-04-29 | 湖南华菱湘潭钢铁有限公司 | 一种低碳易切削钢的生产方法 |
KR20110067490A (ko) * | 2009-12-14 | 2011-06-22 | 주식회사 포스코 | 절삭성 및 열간압연성이 우수한 무연쾌삭강 선재 및 그 제조방법 |
CN105234170A (zh) * | 2015-11-02 | 2016-01-13 | 江苏省沙钢钢铁研究院有限公司 | 一种大规格易切削钢轧制方法 |
CN106893940A (zh) * | 2017-02-09 | 2017-06-27 | 邢台钢铁有限责任公司 | 含硫易切削冷镦钢盘条及其生产方法 |
CN108642397A (zh) * | 2018-05-14 | 2018-10-12 | 南京钢铁股份有限公司 | 一种提高高硫易切削钢切削性的控制方法 |
CN110777244A (zh) * | 2019-11-28 | 2020-02-11 | 广东韶钢松山股份有限公司 | 中碳高硫易切削钢及其制备工艺 |
-
2020
- 2020-10-29 CN CN202011181028.1A patent/CN112404126B/zh active Active
Patent Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5684107A (en) * | 1979-12-10 | 1981-07-09 | Kawasaki Steel Corp | Manufacture of seamless steel pipe of sulfur free cutting steel |
JPH03120314A (ja) * | 1989-10-02 | 1991-05-22 | Kobe Steel Ltd | Pb―Bi系超快削鋼の分塊方法 |
JP2000063989A (ja) * | 1998-08-19 | 2000-02-29 | Nkk Joko Kk | 超快削鋼棒線材の製造方法及びそれによる超快削鋼棒線材 |
JP2001137908A (ja) * | 1999-11-05 | 2001-05-22 | Nippon Koshuha Steel Co Ltd | 高s快削ステンレス鋼の熱間圧延方法 |
JP2003253390A (ja) * | 2002-03-07 | 2003-09-10 | Kobe Steel Ltd | 低炭素硫黄系快削鋼線材およびその製造方法 |
JP2006124790A (ja) * | 2004-10-29 | 2006-05-18 | Jfe Steel Kk | 快削鋼およびその製造方法 |
CN1608758A (zh) * | 2004-11-22 | 2005-04-27 | 宝钢集团上海五钢有限公司 | 高硫(硫磷)易切削结构钢的热连轧生产方法 |
JP2007319872A (ja) * | 2006-05-30 | 2007-12-13 | Kobe Steel Ltd | 高s快削鋼線材の製造方法 |
CN101386031A (zh) * | 2007-09-10 | 2009-03-18 | 南京钢铁联合有限公司 | 含铅易切削钢的轧制工艺 |
CN101417384A (zh) * | 2008-07-29 | 2009-04-29 | 湖南华菱湘潭钢铁有限公司 | 一种低碳易切削钢的生产方法 |
KR20110067490A (ko) * | 2009-12-14 | 2011-06-22 | 주식회사 포스코 | 절삭성 및 열간압연성이 우수한 무연쾌삭강 선재 및 그 제조방법 |
CN105234170A (zh) * | 2015-11-02 | 2016-01-13 | 江苏省沙钢钢铁研究院有限公司 | 一种大规格易切削钢轧制方法 |
CN106893940A (zh) * | 2017-02-09 | 2017-06-27 | 邢台钢铁有限责任公司 | 含硫易切削冷镦钢盘条及其生产方法 |
CN108642397A (zh) * | 2018-05-14 | 2018-10-12 | 南京钢铁股份有限公司 | 一种提高高硫易切削钢切削性的控制方法 |
CN110777244A (zh) * | 2019-11-28 | 2020-02-11 | 广东韶钢松山股份有限公司 | 中碳高硫易切削钢及其制备工艺 |
Also Published As
Publication number | Publication date |
---|---|
CN112404126A (zh) | 2021-02-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN112404126B (zh) | 一种改善易切削钢盘条硫化物形态的控轧控冷方法 | |
CN107779577B (zh) | 一种加工性能优异的园艺工具用钢及其生产方法 | |
CN102134681B (zh) | 一种锯片基体用钢及其制造方法 | |
CN111424219B (zh) | 一种可直接冷锻加工的齿轴钢的制造方法 | |
CN102755992B (zh) | 一种药芯焊丝用冷轧钢带生产方法 | |
CN108160711B (zh) | 一种高抗磨圆棒轧制用轧辊及其制造与使用方法 | |
CN102847734B (zh) | 一种冷挤压用18CrNi8盘卷冷拔材制造方法及其产品 | |
CN108246801A (zh) | 一种大规格非调质钢轧制设备及其轧制生产方法 | |
CN111187996B (zh) | 一种中碳含硫硒的易切削钢用盘条及其制造方法 | |
CN107164698B (zh) | 耐腐蚀预埋槽的新型生产方法 | |
JPWO2004067790A1 (ja) | 軸受要素部品用鋼管、その製造方法および切削方法 | |
CN101486044A (zh) | 连轧管机用直径为330mm以上的限动芯棒的制造方法 | |
CN105499300A (zh) | 一种用于锁具的铜带生产工艺 | |
CN110508614A (zh) | 一种消除过共析工具钢盘条渗碳体魏氏组织的控轧控冷工艺 | |
CN114086074A (zh) | 一种海洋岛礁用高耐蚀性冷镦钢及其生产方法和热处理方法 | |
CN109439860B (zh) | 超易切削铁素体不锈钢精线及其制备方法 | |
CN116005160A (zh) | 一种高精度316l不锈钢板抛光工艺 | |
CN102134683A (zh) | 一种导辊及其制备工艺 | |
KR100306138B1 (ko) | 표면결함이 발생되지 않는 비스무스-유황계 쾌삭강의 열간선재압연 방법 | |
JP4221133B2 (ja) | マンガン合金鋼 | |
CN111876689B (zh) | 一种仪器仪表用低碳含硒的易切削钢及其制造方法 | |
CN114032372A (zh) | 一种盘条及其热处理方法和生产方法以及镀锌钢丝 | |
CN111270148A (zh) | 一种钢管穿孔顶头及其制备方法 | |
JP2522457B2 (ja) | 冷間転造に適した軸受レ―ス用鋼管 | |
CN111118276A (zh) | 一种超深淬硬层冷轧辊热处理工艺 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240204 Address after: 213000 No. 1 Zhongwu Avenue, Changzhou City, Jiangsu Province Patentee after: Zenith Steel Group Co.,Ltd. Country or region after: China Patentee after: Changzhou Zhongtian Special Steel Co.,Ltd. Patentee after: Zhongtian Iron and Steel Group (Huai'an) New Materials Co.,Ltd. Address before: 213000 No. 1 Zhongwu Avenue, Changzhou City, Jiangsu Province Patentee before: Zenith Steel Group Co.,Ltd. Country or region before: China Patentee before: Changzhou Zhongtian Special Steel Co.,Ltd. |