CN106834607A - 一种提高铁素体不锈钢连铸坯等轴晶比例的精炼工艺方法 - Google Patents
一种提高铁素体不锈钢连铸坯等轴晶比例的精炼工艺方法 Download PDFInfo
- Publication number
- CN106834607A CN106834607A CN201710039148.XA CN201710039148A CN106834607A CN 106834607 A CN106834607 A CN 106834607A CN 201710039148 A CN201710039148 A CN 201710039148A CN 106834607 A CN106834607 A CN 106834607A
- Authority
- CN
- China
- Prior art keywords
- stainless steel
- molten steel
- continuous casting
- mass fraction
- proportion
- 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.)
- Granted
Links
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 55
- 238000009749 continuous casting Methods 0.000 title claims abstract description 39
- 230000008569 process Effects 0.000 title claims abstract description 29
- 229910000859 α-Fe Inorganic materials 0.000 title claims abstract description 29
- 239000010935 stainless steel Substances 0.000 title claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 82
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 80
- 238000005266 casting Methods 0.000 claims abstract description 33
- 239000002893 slag Substances 0.000 claims abstract description 28
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 25
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000203 mixture Substances 0.000 claims abstract description 19
- 238000007670 refining Methods 0.000 claims abstract description 19
- 239000001301 oxygen Substances 0.000 claims abstract description 18
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000013078 crystal Substances 0.000 claims abstract description 16
- 238000005275 alloying Methods 0.000 claims abstract description 15
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 13
- 229910001845 yogo sapphire Inorganic materials 0.000 claims abstract description 13
- 238000003723 Smelting Methods 0.000 claims abstract description 11
- 238000005261 decarburization Methods 0.000 claims abstract description 9
- 239000000470 constituent Substances 0.000 claims abstract description 5
- 239000012535 impurity Substances 0.000 claims abstract description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract 4
- 239000010936 titanium Substances 0.000 claims description 45
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 24
- 238000007711 solidification Methods 0.000 claims description 17
- 230000008023 solidification Effects 0.000 claims description 17
- 229910052719 titanium Inorganic materials 0.000 claims description 15
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 14
- 150000001875 compounds Chemical group 0.000 claims description 13
- 229910009973 Ti2O3 Inorganic materials 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 229910045601 alloy Inorganic materials 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- 229910008455 Si—Ca Inorganic materials 0.000 claims description 6
- 229910006639 Si—Mn Inorganic materials 0.000 claims description 5
- 238000013019 agitation Methods 0.000 claims description 5
- 230000006911 nucleation Effects 0.000 claims description 5
- 238000010899 nucleation Methods 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052681 coesite Inorganic materials 0.000 claims description 3
- 229910052906 cristobalite Inorganic materials 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 229910052682 stishovite Inorganic materials 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 229910052905 tridymite Inorganic materials 0.000 claims description 3
- 238000000265 homogenisation Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 abstract description 16
- 238000002844 melting Methods 0.000 abstract description 16
- 239000011651 chromium Substances 0.000 abstract description 10
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052804 chromium Inorganic materials 0.000 abstract description 3
- 238000009847 ladle furnace Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 28
- 238000005516 engineering process Methods 0.000 description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 13
- 230000006698 induction Effects 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 238000005054 agglomeration Methods 0.000 description 5
- 239000011575 calcium Substances 0.000 description 5
- 230000007547 defect Effects 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 230000002776 aggregation Effects 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- GQUJEMVIKWQAEH-UHFFFAOYSA-N titanium(III) oxide Chemical compound O=[Ti]O[Ti]=O GQUJEMVIKWQAEH-UHFFFAOYSA-N 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 239000010813 municipal solid waste Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000001073 sample cooling Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 229910019589 Cr—Fe Inorganic materials 0.000 description 1
- VVTSZOCINPYFDP-UHFFFAOYSA-N [O].[Ar] Chemical compound [O].[Ar] VVTSZOCINPYFDP-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/068—Decarburising
- C21C7/0685—Decarburising of stainless steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
- B22D11/11—Treating the molten metal
- B22D11/113—Treating the molten metal by vacuum treating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
- B22D11/11—Treating the molten metal
- B22D11/114—Treating the molten metal by using agitating or vibrating means
- B22D11/115—Treating the molten metal by using agitating or vibrating means by using magnetic fields
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
- B22D11/11—Treating the molten metal
- B22D11/116—Refining the metal
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0006—Adding metallic additives
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/10—Handling in a vacuum
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710039148.XA CN106834607B (zh) | 2017-01-19 | 2017-01-19 | 一种提高铁素体不锈钢连铸坯等轴晶比例的精炼工艺方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710039148.XA CN106834607B (zh) | 2017-01-19 | 2017-01-19 | 一种提高铁素体不锈钢连铸坯等轴晶比例的精炼工艺方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106834607A true CN106834607A (zh) | 2017-06-13 |
CN106834607B CN106834607B (zh) | 2019-01-15 |
Family
ID=59124797
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710039148.XA Active CN106834607B (zh) | 2017-01-19 | 2017-01-19 | 一种提高铁素体不锈钢连铸坯等轴晶比例的精炼工艺方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106834607B (zh) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107574385A (zh) * | 2017-08-28 | 2018-01-12 | 北京科技大学 | 一种提高双稳定铁素体不锈钢连铸坯等轴晶率的工艺方法 |
CN109402328A (zh) * | 2018-10-24 | 2019-03-01 | 共享铸钢有限公司 | 一种精炼炉冶炼双相不锈钢碳元素含量控制方法 |
CN109554517A (zh) * | 2018-11-23 | 2019-04-02 | 邢台钢铁有限责任公司 | 一种小方坯连铸机生产含钛铁素体不锈钢小方坯的方法 |
CN111922306A (zh) * | 2020-07-02 | 2020-11-13 | 甘肃酒钢集团宏兴钢铁股份有限公司 | 一种减轻高碳钢小方坯中心偏析的方法 |
EP3674424A4 (en) * | 2017-08-25 | 2020-12-23 | Baoshan Iron & Steel Co., Ltd. | MELTING PROCESS FOR ULTRA-LOW CARBON STAINLESS STEEL 13CR |
CN113699313A (zh) * | 2021-09-02 | 2021-11-26 | 宝钢德盛不锈钢有限公司 | 一种含钛不锈钢的冶炼工艺 |
CN113737081A (zh) * | 2021-08-31 | 2021-12-03 | 中国科学院上海应用物理研究所 | 不锈钢冶炼方法、改性方法及一种不锈钢 |
CN114350899A (zh) * | 2022-01-07 | 2022-04-15 | 鞍钢股份有限公司 | 一种感应炉冶炼高钛钢控制Ti2O3、TiN夹杂的方法 |
CN115976410A (zh) * | 2022-12-16 | 2023-04-18 | 烟台华新不锈钢有限公司 | 一种焊接用铁素体不锈钢及其生产制造方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1224070A (zh) * | 1997-12-19 | 1999-07-28 | 阿姆科公司 | 无皱纹状变形的铁素体铬合金钢 |
CN101962740A (zh) * | 2009-07-23 | 2011-02-02 | 宝山钢铁股份有限公司 | 汽车尾气排放系统用铁素体不锈钢及其制造方法 |
CN102199684A (zh) * | 2010-03-25 | 2011-09-28 | 宝山钢铁股份有限公司 | 超低氧含钛铁素体不锈钢的生产方法 |
CN102605262A (zh) * | 2011-01-25 | 2012-07-25 | 宝山钢铁股份有限公司 | 一种铁素体不锈钢及其制造方法 |
CN104911318A (zh) * | 2015-04-15 | 2015-09-16 | 北京科技大学 | 一种提高铁素体不锈钢表面起皱抗力的轧制方法 |
-
2017
- 2017-01-19 CN CN201710039148.XA patent/CN106834607B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1224070A (zh) * | 1997-12-19 | 1999-07-28 | 阿姆科公司 | 无皱纹状变形的铁素体铬合金钢 |
CN101962740A (zh) * | 2009-07-23 | 2011-02-02 | 宝山钢铁股份有限公司 | 汽车尾气排放系统用铁素体不锈钢及其制造方法 |
CN102199684A (zh) * | 2010-03-25 | 2011-09-28 | 宝山钢铁股份有限公司 | 超低氧含钛铁素体不锈钢的生产方法 |
CN102605262A (zh) * | 2011-01-25 | 2012-07-25 | 宝山钢铁股份有限公司 | 一种铁素体不锈钢及其制造方法 |
CN104911318A (zh) * | 2015-04-15 | 2015-09-16 | 北京科技大学 | 一种提高铁素体不锈钢表面起皱抗力的轧制方法 |
Non-Patent Citations (3)
Title |
---|
刘会林,朱荣: "《电弧炉短流程炼钢设备与技术》", 31 January 2012, 冶金工业出版社 * |
施晓芳 等: "430铁素体不锈钢中Ti2O3+TiN复核核心形成的热力学研究", 《北京科技大学》 * |
祖方遒: "《材料成形基本原理》", 30 April 2016, 机械工业出版社 * |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3674424A4 (en) * | 2017-08-25 | 2020-12-23 | Baoshan Iron & Steel Co., Ltd. | MELTING PROCESS FOR ULTRA-LOW CARBON STAINLESS STEEL 13CR |
CN107574385A (zh) * | 2017-08-28 | 2018-01-12 | 北京科技大学 | 一种提高双稳定铁素体不锈钢连铸坯等轴晶率的工艺方法 |
CN109402328A (zh) * | 2018-10-24 | 2019-03-01 | 共享铸钢有限公司 | 一种精炼炉冶炼双相不锈钢碳元素含量控制方法 |
CN109402328B (zh) * | 2018-10-24 | 2020-11-13 | 共享铸钢有限公司 | 一种精炼炉冶炼双相不锈钢碳元素含量控制方法 |
CN109554517B (zh) * | 2018-11-23 | 2021-05-28 | 邢台钢铁有限责任公司 | 一种小方坯连铸机生产含钛铁素体不锈钢小方坯的方法 |
CN109554517A (zh) * | 2018-11-23 | 2019-04-02 | 邢台钢铁有限责任公司 | 一种小方坯连铸机生产含钛铁素体不锈钢小方坯的方法 |
CN111922306A (zh) * | 2020-07-02 | 2020-11-13 | 甘肃酒钢集团宏兴钢铁股份有限公司 | 一种减轻高碳钢小方坯中心偏析的方法 |
CN113737081A (zh) * | 2021-08-31 | 2021-12-03 | 中国科学院上海应用物理研究所 | 不锈钢冶炼方法、改性方法及一种不锈钢 |
CN113737081B (zh) * | 2021-08-31 | 2022-04-01 | 中国科学院上海应用物理研究所 | 不锈钢冶炼方法、改性方法及一种不锈钢 |
CN113699313A (zh) * | 2021-09-02 | 2021-11-26 | 宝钢德盛不锈钢有限公司 | 一种含钛不锈钢的冶炼工艺 |
CN114350899A (zh) * | 2022-01-07 | 2022-04-15 | 鞍钢股份有限公司 | 一种感应炉冶炼高钛钢控制Ti2O3、TiN夹杂的方法 |
CN114350899B (zh) * | 2022-01-07 | 2023-01-17 | 鞍钢股份有限公司 | 一种感应炉冶炼高钛钢控制Ti2O3、TiN夹杂的方法 |
CN115976410A (zh) * | 2022-12-16 | 2023-04-18 | 烟台华新不锈钢有限公司 | 一种焊接用铁素体不锈钢及其生产制造方法 |
Also Published As
Publication number | Publication date |
---|---|
CN106834607B (zh) | 2019-01-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106834607B (zh) | 一种提高铁素体不锈钢连铸坯等轴晶比例的精炼工艺方法 | |
CN109943680B (zh) | 一种超低碳、低硅、低锰和低铝钢连铸坯的生产方法 | |
CN106834960B (zh) | 一种汽车用含硼高级齿轮钢及其生产工艺 | |
CN105256095B (zh) | 一种大热输入焊接热影响区性能优异的钢板的冶炼方法 | |
WO2011160483A1 (zh) | 控制超低碳镇静钢中ti含量的方法 | |
CN113774277B (zh) | 一种超低碳超低锰工业纯铁及制备方法 | |
CN101768653A (zh) | 一种无取向硅钢的rh精炼脱氧控制方法 | |
CN102796947A (zh) | 磁性优良的高牌号无取向硅钢及其冶炼方法 | |
CN102950392A (zh) | 一种生产管线埋弧焊丝用的盘条及其制造方法 | |
CN108893682B (zh) | 模具钢钢坯及其制备方法 | |
CN107574385A (zh) | 一种提高双稳定铁素体不锈钢连铸坯等轴晶率的工艺方法 | |
CN101353753A (zh) | 一种超低碳高纯度工业纯铁及其制造方法 | |
CN114107601A (zh) | 一种镁预处理细化钢中稀土夹杂物的方法 | |
CN108330240A (zh) | 连铸q235钢种成分降铝无钙化处理的方法 | |
CN105463316B (zh) | 一种基于ftsc薄板坯连铸生产超低碳钢的方法 | |
CN107058867B (zh) | 一种节能型变压器铁芯用高Si纯铁及其生产方法 | |
CN108977612A (zh) | 高强度耐大气腐蚀螺栓用钢的冶炼方法 | |
CN112593138A (zh) | 一种高强度钒钛钢筋生产工艺 | |
CN115351458B (zh) | 一种埋弧焊丝用钢、盘条、埋弧焊丝及其制备方法 | |
CN111593251A (zh) | 螺纹钢及其制备方法 | |
CN108286013A (zh) | 一种中厚板容器用钢15CrMnR炼钢连铸生产方法 | |
CN114015837B (zh) | 一种无取向电工钢的制造方法 | |
CN112708728B (zh) | 提高铝脱氧钢/含铝钢中非金属夹杂物塑性的方法 | |
CN109097665A (zh) | 高强度耐大气腐蚀螺栓用钢的冶炼方法 | |
JP4510787B2 (ja) | 磁気特性に優れたFe−Ni系パーマロイ合金の製造方法 |
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 | ||
CB03 | Change of inventor or designer information |
Inventor after: Cheng Guoguang Inventor after: Hou Yuyang Inventor after: Shi Xiaofang Inventor after: Shi Caixia Inventor after: Wang Minglin Inventor after: Zhu Xiaoxia Inventor after: Yang Xine Inventor after: Zhao Pei Inventor after: Li Jingyu Inventor before: Qin Mingli Inventor before: Chen Zheng Inventor before: Chen Pengqi Inventor before: Zhao Shangjie Inventor before: Lu Huifeng Inventor before: Wu Haoyang Inventor before: Jia Baorui Inventor before: Qu Xuanhui |
|
CB03 | Change of inventor or designer information | ||
GR01 | Patent grant | ||
GR01 | Patent grant |