JPS57149450A - Hot-mill roll excellent in wear-resistance and thermal fatigue-resistance - Google Patents
Hot-mill roll excellent in wear-resistance and thermal fatigue-resistanceInfo
- Publication number
- JPS57149450A JPS57149450A JP3312581A JP3312581A JPS57149450A JP S57149450 A JPS57149450 A JP S57149450A JP 3312581 A JP3312581 A JP 3312581A JP 3312581 A JP3312581 A JP 3312581A JP S57149450 A JPS57149450 A JP S57149450A
- Authority
- JP
- Japan
- Prior art keywords
- grains
- resistance
- hot
- mill roll
- coarse
- 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
Abstract
PURPOSE: To obtain a hot-mill roll improved in both of wear-resitance and roughening-resistance, by adding Ti and Zr to a low-alloyed high-carbon cast steel to enable the increase of C, Cr and Mo contents.
CONSTITUTION: The hot-mill roll is made of a steel comprising 1.0W4.0% c, 0.1W 1.5% Si, 0.2W2.0% Mn, 0.3W3.0% Ni, 0.5W5.0% Cr, 0.2W3.0% Mo, 0.1W3.0% Ti and/or 0.05W1.5% Zr, optionally 0.5W5% of one or more of V, Nb and W, and the balance being Fe and inevitable impurities. Eutectic carbide is uniformly dispersed in the structure at a rate of 5W30%. Ti is necessary more than the lowe limit, to make austenite grains fine and to reduce and minute precipitated carbide grains. If Ti exceeds the upper limit, coarse TiC grains would appear, resulting in reduction of ductility and a fatigue property. Zr is necessary more than the lower limit in the same way as Ti, to reduce the precipitation of coarse carbide grains and to minute the carbide grains. However, if Zr exceeds the upper limit, coarse ZrC grains would appear, resulting in reduction of ductility and a fatigue property.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3312581A JPS57149450A (en) | 1981-03-10 | 1981-03-10 | Hot-mill roll excellent in wear-resistance and thermal fatigue-resistance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3312581A JPS57149450A (en) | 1981-03-10 | 1981-03-10 | Hot-mill roll excellent in wear-resistance and thermal fatigue-resistance |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57149450A true JPS57149450A (en) | 1982-09-16 |
JPS6218241B2 JPS6218241B2 (en) | 1987-04-22 |
Family
ID=12377896
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3312581A Granted JPS57149450A (en) | 1981-03-10 | 1981-03-10 | Hot-mill roll excellent in wear-resistance and thermal fatigue-resistance |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57149450A (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59129754A (en) * | 1983-01-12 | 1984-07-26 | Kubota Ltd | Chilled roll material with superior wear resistance |
JPS60124407A (en) * | 1983-12-06 | 1985-07-03 | Kubota Ltd | High vanadium composite cast iron roll |
JPS60128249A (en) * | 1983-12-15 | 1985-07-09 | Kubota Ltd | Tough and hard sleeve roll for rolling h-beam |
JPS619558A (en) * | 1984-06-25 | 1986-01-17 | Kawasaki Steel Corp | Forged steel roll for cold rolling |
JPS61159552A (en) * | 1985-01-07 | 1986-07-19 | Kawasaki Steel Corp | Roll for cold rolling |
JPS63195245A (en) * | 1987-02-09 | 1988-08-12 | Kubota Ltd | Graphite-crystallized high-chromium roll material |
JPS63210255A (en) * | 1987-02-26 | 1988-08-31 | Mitsubishi Heavy Ind Ltd | Outer layer material for duplex roll |
EP0309587A1 (en) * | 1987-03-24 | 1989-04-05 | Hitachi Metals, Ltd. | Abrasion-resistant composite roll and process for its production |
JPH0356642A (en) * | 1989-07-24 | 1991-03-12 | Kanto Special Steel Works Ltd | Forged roll for hot rolling and its production |
AU672550B1 (en) * | 1995-05-08 | 1996-10-03 | Mitsubishi Steel Mfg. Co. Ltd. | Roll with roughened surface for cold rolling |
US7794651B2 (en) * | 2004-05-21 | 2010-09-14 | Industeel Creusot | Steel having high mechanical strength and wear resistance |
CN102899573A (en) * | 2011-07-25 | 2013-01-30 | 宝山钢铁股份有限公司 | Steel and manufacturing method for high strength wear resistance casing |
-
1981
- 1981-03-10 JP JP3312581A patent/JPS57149450A/en active Granted
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59129754A (en) * | 1983-01-12 | 1984-07-26 | Kubota Ltd | Chilled roll material with superior wear resistance |
JPS60124407A (en) * | 1983-12-06 | 1985-07-03 | Kubota Ltd | High vanadium composite cast iron roll |
JPS60128249A (en) * | 1983-12-15 | 1985-07-09 | Kubota Ltd | Tough and hard sleeve roll for rolling h-beam |
JPH0514023B2 (en) * | 1983-12-15 | 1993-02-24 | Kubota Kk | |
JPS619558A (en) * | 1984-06-25 | 1986-01-17 | Kawasaki Steel Corp | Forged steel roll for cold rolling |
JPS61159552A (en) * | 1985-01-07 | 1986-07-19 | Kawasaki Steel Corp | Roll for cold rolling |
JPS63195245A (en) * | 1987-02-09 | 1988-08-12 | Kubota Ltd | Graphite-crystallized high-chromium roll material |
JPS63210255A (en) * | 1987-02-26 | 1988-08-31 | Mitsubishi Heavy Ind Ltd | Outer layer material for duplex roll |
US4958422A (en) * | 1987-03-24 | 1990-09-25 | 501 Hitachi Metals, Ltd. | Wear-resistant compound roll |
EP0309587A1 (en) * | 1987-03-24 | 1989-04-05 | Hitachi Metals, Ltd. | Abrasion-resistant composite roll and process for its production |
EP0309587B1 (en) * | 1987-03-24 | 1993-07-28 | Hitachi Metals, Ltd. | Abrasion-resistant composite roll and process for its production |
JPH079052B1 (en) * | 1987-03-24 | 1995-02-01 | Hitachi Metals Ltd | |
JPH0356642A (en) * | 1989-07-24 | 1991-03-12 | Kanto Special Steel Works Ltd | Forged roll for hot rolling and its production |
AU672550B1 (en) * | 1995-05-08 | 1996-10-03 | Mitsubishi Steel Mfg. Co. Ltd. | Roll with roughened surface for cold rolling |
US7794651B2 (en) * | 2004-05-21 | 2010-09-14 | Industeel Creusot | Steel having high mechanical strength and wear resistance |
US8097207B2 (en) | 2004-05-21 | 2012-01-17 | Industeel Creusot | Steel having high mechanical strength and wear resistance |
CN102899573A (en) * | 2011-07-25 | 2013-01-30 | 宝山钢铁股份有限公司 | Steel and manufacturing method for high strength wear resistance casing |
CN102899573B (en) * | 2011-07-25 | 2015-12-02 | 宝山钢铁股份有限公司 | A kind of high-strength abrasion-proof casing steel and manufacture method thereof |
Also Published As
Publication number | Publication date |
---|---|
JPS6218241B2 (en) | 1987-04-22 |
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