CN107254639B - 一种超超临界高压锅炉管用钢及其连铸坯中心裂纹的控制方法 - Google Patents
一种超超临界高压锅炉管用钢及其连铸坯中心裂纹的控制方法 Download PDFInfo
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- CN107254639B CN107254639B CN201710405042.7A CN201710405042A CN107254639B CN 107254639 B CN107254639 B CN 107254639B CN 201710405042 A CN201710405042 A CN 201710405042A CN 107254639 B CN107254639 B CN 107254639B
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- continuous casting
- casting billet
- steel
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- 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
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
-
- 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
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
-
- 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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- 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
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
-
- 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
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
-
- 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
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Abstract
Description
实施例1 | 实施例2 | 实施例3 | 实施例4 | 实施例5 | |
C | 0.10 | 0.08 | 0.12 | 0.09 | 0.085 |
Si | 0.21 | 0.33 | 0.42 | 0.49 | 0.42 |
Mn | 0.32 | 0.59 | 0.41 | 0.36 | 0.48 |
P | 0.008 | 0.007 | 0.005 | 0.006 | 0.004 |
S | 0.001 | 0.001 | 0.001 | 0.001 | 0.001 |
Cr | 8.22 | 8.80 | 8.70 | 8.35 | 8.75 |
Mo | 0.91 | 0.93 | 0.99 | 1.04 | 0.96 |
Ti | 0.001 | 0.001 | 0.001 | 0.001 | 0.001 |
Zr | 0.001 | 0.001 | 0.001 | 0.001 | 0.001 |
N | 0.041 | 0.049 | 0.048 | 0.043 | 0.046 |
V | 0.18 | 0.20 | 0.19 | 0.20 | 0.19 |
Nb | 0.06 | 0.06 | 0.07 | 0.07 | 0.06 |
Als | 0.001 | 0.001 | 0.001 | 0.001 | 0.001 |
O | 0.001 | 0.002 | 0.001 | 0.001 | 0.001 |
项目 | 实施例1 | 实施例2 | 实施例3 | 实施例4 | 实施例5 | 比较例1 | 比较例2 |
常温下R<sub>p0.2</sub>/MPa | 482 | 497 | 488 | 494 | 481 | 473 | 479 |
常温下R<sub>m</sub>/MPa | 647 | 653 | 641 | 650 | 646 | 614 | 627 |
常温下A% | 27 | 26 | 28 | 27 | 27 | 25.5 | 24 |
常温下KV2/J | 201 | 208 | 213 | 215 | 212 | 181 | 171 |
晶粒度/级 | 8.0 | 8.0 | 8.0 | 8.0 | 8.0 | 7.0 | 7.0 |
600℃下短时拉伸R<sub>p0.2</sub>/MPa | 302 | 310 | 317 | 309 | 312 | 283 | 289 |
600℃下短时拉伸R<sub>m</sub>/MPa | 334 | 331 | 344 | 338 | 336 | 316 | 313 |
Claims (7)
Priority Applications (1)
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CN201710405042.7A CN107254639B (zh) | 2017-06-01 | 2017-06-01 | 一种超超临界高压锅炉管用钢及其连铸坯中心裂纹的控制方法 |
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CN201710405042.7A CN107254639B (zh) | 2017-06-01 | 2017-06-01 | 一种超超临界高压锅炉管用钢及其连铸坯中心裂纹的控制方法 |
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CN107254639A CN107254639A (zh) | 2017-10-17 |
CN107254639B true CN107254639B (zh) | 2019-03-15 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109487155B (zh) * | 2018-10-17 | 2021-05-04 | 石家庄钢铁有限责任公司 | 高压油缸液压杆用非调质钢及其生产方法 |
CN112338157A (zh) * | 2020-10-12 | 2021-02-09 | 马鞍山钢铁股份有限公司 | 一种钢坯凝固成型工艺 |
CN115044823B (zh) * | 2022-06-28 | 2023-05-30 | 江苏永钢集团有限公司 | 一种超超临界高压锅炉钢p92连铸大圆坯的生产工艺 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101088663A (zh) * | 2007-07-19 | 2007-12-19 | 天津钢铁有限公司 | 一种用转炉工艺生产高压锅炉管用连铸圆坯的方法 |
CN104651754A (zh) * | 2015-02-05 | 2015-05-27 | 山东钢铁股份有限公司 | 一种高压锅炉管用低合金钢及其制备方法 |
CN105886902A (zh) * | 2016-06-12 | 2016-08-24 | 河北钢铁股份有限公司承德分公司 | 一种400MPa级含钒抗震耐腐蚀钢筋及其生产方法 |
CN106367689A (zh) * | 2016-09-29 | 2017-02-01 | 马钢(集团)控股有限公司 | 一种高压锅炉管用钢及其制备方法 |
CN106636953A (zh) * | 2016-10-14 | 2017-05-10 | 中原特钢股份有限公司 | 一种锅炉管用马氏体不锈钢p91冶炼方法 |
Family Cites Families (1)
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JPH0663041B2 (ja) * | 1988-08-10 | 1994-08-17 | 住友金属工業株式会社 | スティ−ムインジェクション用鋼管の製造法 |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101088663A (zh) * | 2007-07-19 | 2007-12-19 | 天津钢铁有限公司 | 一种用转炉工艺生产高压锅炉管用连铸圆坯的方法 |
CN104651754A (zh) * | 2015-02-05 | 2015-05-27 | 山东钢铁股份有限公司 | 一种高压锅炉管用低合金钢及其制备方法 |
CN105886902A (zh) * | 2016-06-12 | 2016-08-24 | 河北钢铁股份有限公司承德分公司 | 一种400MPa级含钒抗震耐腐蚀钢筋及其生产方法 |
CN106367689A (zh) * | 2016-09-29 | 2017-02-01 | 马钢(集团)控股有限公司 | 一种高压锅炉管用钢及其制备方法 |
CN106636953A (zh) * | 2016-10-14 | 2017-05-10 | 中原特钢股份有限公司 | 一种锅炉管用马氏体不锈钢p91冶炼方法 |
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