TWI460284B - 耐疲勞性優異之熱軋用離心鑄造製軋輥外層材以及熱軋用離心鑄造製複合軋輥 - Google Patents
耐疲勞性優異之熱軋用離心鑄造製軋輥外層材以及熱軋用離心鑄造製複合軋輥 Download PDFInfo
- Publication number
- TWI460284B TWI460284B TW101138423A TW101138423A TWI460284B TW I460284 B TWI460284 B TW I460284B TW 101138423 A TW101138423 A TW 101138423A TW 101138423 A TW101138423 A TW 101138423A TW I460284 B TWI460284 B TW I460284B
- Authority
- TW
- Taiwan
- Prior art keywords
- roll
- outer layer
- fatigue
- hot rolling
- content
- Prior art date
Links
- 238000005098 hot rolling Methods 0.000 title claims description 33
- 239000011257 shell material Substances 0.000 title 1
- 239000000463 material Substances 0.000 claims description 49
- 229910052720 vanadium Inorganic materials 0.000 claims description 28
- 238000009750 centrifugal casting Methods 0.000 claims description 23
- 229910052750 molybdenum Inorganic materials 0.000 claims description 21
- 239000002131 composite material Substances 0.000 claims description 18
- 229910052758 niobium Inorganic materials 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 12
- 229910052804 chromium Inorganic materials 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 9
- 229910052748 manganese Inorganic materials 0.000 claims description 9
- 239000010410 layer Substances 0.000 description 94
- 238000012360 testing method Methods 0.000 description 35
- 230000000694 effects Effects 0.000 description 23
- 238000009661 fatigue test Methods 0.000 description 19
- 238000005096 rolling process Methods 0.000 description 13
- 229910000831 Steel Inorganic materials 0.000 description 12
- 230000005496 eutectics Effects 0.000 description 12
- 150000001247 metal acetylides Chemical class 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 10
- 238000009987 spinning Methods 0.000 description 10
- 238000005266 casting Methods 0.000 description 9
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 238000001816 cooling Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 238000011282 treatment Methods 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 7
- 238000012669 compression test Methods 0.000 description 7
- 230000006378 damage Effects 0.000 description 7
- 230000007547 defect Effects 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229910001018 Cast iron Inorganic materials 0.000 description 5
- 238000005204 segregation Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000010791 quenching Methods 0.000 description 4
- 230000000171 quenching effect Effects 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 239000002344 surface layer Substances 0.000 description 4
- 238000005496 tempering Methods 0.000 description 4
- 229910000997 High-speed steel Inorganic materials 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 102200082816 rs34868397 Human genes 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001124076 Aphididae Species 0.000 description 1
- 229910000677 High-carbon steel Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000012925 reference material Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000007103 stamina Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D13/00—Centrifugal casting; Casting by using centrifugal force
- B22D13/02—Centrifugal casting; Casting by using centrifugal force of elongated solid or hollow bodies, e.g. pipes, in moulds rotating around their longitudinal axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/02—Shape or construction of rolls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/02—Shape or construction of rolls
- B21B27/03—Sleeved rolls
- B21B27/032—Rolls for sheets or strips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/011—Layered products comprising a layer of metal all layers being exclusively metallic all layers being formed of iron alloys or steels
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- C21D1/25—Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/38—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for roll bodies
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/06—Cast-iron alloys containing chromium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/10—Cast-iron alloys containing aluminium or silicon
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49544—Roller making
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Geometry (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011229398A JP5516545B2 (ja) | 2011-10-19 | 2011-10-19 | 耐疲労性に優れた熱間圧延用遠心鋳造製ロール外層材および熱間圧延用遠心鋳造製複合ロール |
| JP2012033506A JP5327342B2 (ja) | 2012-02-20 | 2012-02-20 | 耐疲労性に優れた熱間圧延用遠心鋳造製ロール外層材および熱間圧延用遠心鋳造製複合ロール |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201329250A TW201329250A (zh) | 2013-07-16 |
| TWI460284B true TWI460284B (zh) | 2014-11-11 |
Family
ID=48140582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW101138423A TWI460284B (zh) | 2011-10-19 | 2012-10-18 | 耐疲勞性優異之熱軋用離心鑄造製軋輥外層材以及熱軋用離心鑄造製複合軋輥 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US9975158B2 (enExample) |
| EP (1) | EP2770073B1 (enExample) |
| KR (1) | KR101704148B1 (enExample) |
| CN (1) | CN103890208B (enExample) |
| BR (1) | BR112014009103A2 (enExample) |
| CA (1) | CA2850453C (enExample) |
| ES (1) | ES2572528T3 (enExample) |
| IN (1) | IN2014MN00580A (enExample) |
| TW (1) | TWI460284B (enExample) |
| WO (1) | WO2013057914A1 (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5950048B2 (ja) * | 2013-09-25 | 2016-07-13 | 日立金属株式会社 | 遠心鋳造製熱間圧延用複合ロール |
| JP6313844B1 (ja) * | 2016-12-28 | 2018-04-18 | 株式会社クボタ | 圧延用複合ロール |
| EP3581288B1 (en) * | 2017-02-08 | 2023-12-27 | Proterial, Ltd. | Composite roll for rolling and method for producing same |
| JP6669109B2 (ja) * | 2017-03-24 | 2020-03-18 | Ｊｆｅスチール株式会社 | 熱間圧延用ロール外層材および熱間圧延用複合ロール |
| EP3821992B1 (en) * | 2018-08-08 | 2023-01-18 | Hitachi Metals, Ltd. | Centrifugal cast composite roll for rolling and manufacturing method therefor |
| CN113166864B (zh) * | 2018-11-28 | 2022-09-23 | 杰富意钢铁株式会社 | 热轧用辊外层材料和热轧用复合辊 |
| CN109898021A (zh) * | 2019-04-01 | 2019-06-18 | 湖南三泰新材料股份有限公司 | 一种热轧用双金属复合高钒高速钢辊套 |
| CN113661019B (zh) * | 2019-04-03 | 2022-09-13 | 日铁轧辊株式会社 | 通过离心铸造法制造的轧制用复合辊及其制造方法 |
| CN111139351B (zh) * | 2019-12-26 | 2022-06-17 | 中钢集团邢台机械轧辊有限公司 | 一种锻钢bd辊差温热处理的工艺方法 |
| TR202004781A1 (tr) * | 2020-03-26 | 2021-10-21 | Entil Enduestri Yatirimlari Ve Ticaret Anonim Sirketi | Yüksek korozyon di̇renci̇ne sahi̇p çok katmanli vals topu |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4433032A (en) * | 1979-10-26 | 1984-02-21 | Kubota Ltd. | High chrome work roll |
| CN1264749A (zh) * | 2000-03-24 | 2000-08-30 | 冶金工业部钢铁研究总院 | 一种高耐磨性铸造高速钢 |
| CN101037760A (zh) * | 2007-04-03 | 2007-09-19 | 西安交通大学 | 一种高碳高钒高速钢复合轧辊及其热处理方法 |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69024762T2 (de) | 1989-11-30 | 1996-05-15 | Hitachi Metals Ltd | Verschleissfeste Verbundwalze |
| US5225007A (en) * | 1990-02-28 | 1993-07-06 | Hitachi Metals Ltd. | Method for wear-resistant compound roll manufacture |
| JP2898749B2 (ja) * | 1990-07-04 | 1999-06-02 | 株式会社クボタ | 高耐摩耗ロール材およびその製造法 |
| JP2715199B2 (ja) | 1990-10-01 | 1998-02-18 | 川崎製鉄株式会社 | 圧延用ロール外層材 |
| JP2715205B2 (ja) | 1990-11-21 | 1998-02-18 | 川崎製鉄株式会社 | 圧延用ロール外層材 |
| JPH05132735A (ja) | 1991-06-26 | 1993-05-28 | Kubota Corp | 高耐摩耗ロール材およびその鋳造法 |
| US5316596A (en) | 1991-09-12 | 1994-05-31 | Kawasaki Steel Corporation | Roll shell material and centrifugal cast composite roll |
| JP3300500B2 (ja) * | 1993-10-12 | 2002-07-08 | 新日本製鐵株式会社 | 疲労強度、降伏強度および被削性に優れる熱間鍛造用鋼の製造方法 |
| JP2841276B2 (ja) | 1994-06-29 | 1998-12-24 | 川崎製鉄株式会社 | 熱間圧延用ロール外層材及び熱間圧延用ロールの製造方法 |
| JP3028514B2 (ja) | 1995-05-31 | 2000-04-04 | 株式会社淀川製鋼所 | 耐摩耗性・耐肌荒れ性等にすぐれた圧延用複合ロール |
| CA2228488C (en) * | 1996-06-18 | 2001-12-18 | Kawasaki Steel Corporation | Roll for hot rolling having enhanced abrasion resistance and reduced carbide segregation |
| JP3751433B2 (ja) | 1998-02-13 | 2006-03-01 | 株式会社クボタ | 高温での耐摩耗性にすぐれるハイス系鋳鉄材 |
| JP2001150007A (ja) | 1999-11-30 | 2001-06-05 | Kubota Corp | 圧延ロール用外層及び圧延ロール |
| JP4254075B2 (ja) | 2001-04-27 | 2009-04-15 | Ｊｆｅスチール株式会社 | 熱間圧延用ロールの製造方法 |
| JP2004255457A (ja) | 2003-02-28 | 2004-09-16 | Nippon Steel Corp | 熱間圧延用複合ロール及びその製造方法 |
| JP4569122B2 (ja) | 2004-02-18 | 2010-10-27 | Ｊｆｅスチール株式会社 | 熱間圧延用ロール外層材および熱間圧延用複合ロール |
| JP2006075892A (ja) | 2004-09-13 | 2006-03-23 | Hitachi Metals Ltd | 遠心鋳造製圧延用ロール |
| CN100369681C (zh) | 2006-04-30 | 2008-02-20 | 郑州航空工业管理学院 | 一种高速钢复合轧辊及其制造方法 |
| CN100392138C (zh) | 2006-05-28 | 2008-06-04 | 江苏共昌轧辊有限公司 | 半高速钢复合轧辊及制备方法 |
| JP5136138B2 (ja) | 2008-03-18 | 2013-02-06 | Ｊｆｅスチール株式会社 | 熱間圧延用遠心鋳造製複合ロール |
| JP5088289B2 (ja) | 2008-10-23 | 2012-12-05 | Ｊｆｅスチール株式会社 | 熱間圧延用ロールの評価方法 |
| JP5434276B2 (ja) | 2009-05-29 | 2014-03-05 | Ｊｆｅスチール株式会社 | 熱間圧延用遠心鋳造製複合ロール |
-
2012
- 2012-10-15 IN IN580MUN2014 patent/IN2014MN00580A/en unknown
- 2012-10-15 WO PCT/JP2012/006581 patent/WO2013057914A1/ja not_active Ceased
- 2012-10-15 CN CN201280051440.9A patent/CN103890208B/zh active Active
- 2012-10-15 EP EP12842076.7A patent/EP2770073B1/en not_active Not-in-force
- 2012-10-15 US US14/352,441 patent/US9975158B2/en active Active
- 2012-10-15 ES ES12842076.7T patent/ES2572528T3/es active Active
- 2012-10-15 KR KR1020147012906A patent/KR101704148B1/ko active Active
- 2012-10-15 BR BR112014009103A patent/BR112014009103A2/pt not_active Application Discontinuation
- 2012-10-15 CA CA2850453A patent/CA2850453C/en not_active Expired - Fee Related
- 2012-10-18 TW TW101138423A patent/TWI460284B/zh not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4433032A (en) * | 1979-10-26 | 1984-02-21 | Kubota Ltd. | High chrome work roll |
| CN1264749A (zh) * | 2000-03-24 | 2000-08-30 | 冶金工业部钢铁研究总院 | 一种高耐磨性铸造高速钢 |
| CN101037760A (zh) * | 2007-04-03 | 2007-09-19 | 西安交通大学 | 一种高碳高钒高速钢复合轧辊及其热处理方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2770073B1 (en) | 2016-05-11 |
| IN2014MN00580A (enExample) | 2015-07-03 |
| WO2013057914A1 (ja) | 2013-04-25 |
| EP2770073A1 (en) | 2014-08-27 |
| CN103890208B (zh) | 2017-02-15 |
| CA2850453A1 (en) | 2013-04-25 |
| KR101704148B1 (ko) | 2017-02-07 |
| TW201329250A (zh) | 2013-07-16 |
| CA2850453C (en) | 2017-07-04 |
| BR112014009103A2 (pt) | 2017-04-18 |
| ES2572528T3 (es) | 2016-06-01 |
| US20140287898A1 (en) | 2014-09-25 |
| KR20140078739A (ko) | 2014-06-25 |
| EP2770073A4 (en) | 2015-04-29 |
| CN103890208A (zh) | 2014-06-25 |
| US9975158B2 (en) | 2018-05-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI460284B (zh) | 耐疲勞性優異之熱軋用離心鑄造製軋輥外層材以及熱軋用離心鑄造製複合軋輥 | |
| JP5136138B2 (ja) | 熱間圧延用遠心鋳造製複合ロール | |
| JP5949596B2 (ja) | 熱間圧延用ロール外層材、および熱間圧延用複合ロール | |
| TWI650430B (zh) | 輥軋用輥子外層材以及輥軋用複合輥子 | |
| JP5703718B2 (ja) | 熱間圧延用遠心鋳造製ロール外層材および複合ロール | |
| JP5434276B2 (ja) | 熱間圧延用遠心鋳造製複合ロール | |
| JP5516545B2 (ja) | 耐疲労性に優れた熱間圧延用遠心鋳造製ロール外層材および熱間圧延用遠心鋳造製複合ロール | |
| JP6669109B2 (ja) | 熱間圧延用ロール外層材および熱間圧延用複合ロール | |
| TW201812043A (zh) | 輥軋用輥子外層材以及輥軋用複合輥子 | |
| JP6292362B1 (ja) | 熱間圧延用ロール外層材および熱間圧延用複合ロール | |
| JP6702266B2 (ja) | 熱間圧延用複合ロールの製造方法 | |
| JP5447812B2 (ja) | 熱間圧延用遠心鋳造製複合ロール | |
| JP5434249B2 (ja) | 熱間圧延用遠心鋳造製複合ロール | |
| JP5867143B2 (ja) | 耐疲労性に優れた熱間圧延用遠心鋳造製ロール外層材および熱間圧延用遠心鋳造製複合ロール、ならびにそれらの製造方法 | |
| JP5327342B2 (ja) | 耐疲労性に優れた熱間圧延用遠心鋳造製ロール外層材および熱間圧延用遠心鋳造製複合ロール | |
| JP5867144B2 (ja) | 耐疲労性に優れた熱間圧延用遠心鋳造製ロール外層材および熱間圧延用遠心鋳造製複合ロール、ならびにそれらの製造方法 | |
| JP6866958B2 (ja) | 熱間圧延用ロール外層材および熱間圧延用複合ロール | |
| JP2024027590A (ja) | 熱間圧延用ロール外層材および熱間圧延用複合ロール | |
| JP2022178535A (ja) | 熱間圧延用ロール外層材および熱間圧延用複合ロール |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |