CN103320676A - Alloy nodular cast iron roll - Google Patents
Alloy nodular cast iron roll Download PDFInfo
- Publication number
- CN103320676A CN103320676A CN 201310252047 CN201310252047A CN103320676A CN 103320676 A CN103320676 A CN 103320676A CN 201310252047 CN201310252047 CN 201310252047 CN 201310252047 A CN201310252047 A CN 201310252047A CN 103320676 A CN103320676 A CN 103320676A
- Authority
- CN
- China
- Prior art keywords
- roll
- cast iron
- percent
- nodular cast
- alloy nodular
- 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.)
- Pending
Links
Landscapes
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
The invention discloses an alloy nodular cast iron roll which comprises the following components in percentage by mass: 3.6-3.8 percent of C, 1.7-2.0 percent of Si, 0.6-0.7 percent of Mn, less than 0.025 percent of P, less than 0.02 percent of S, 0.1-0.3 percent of Cr, 1.5-2.0 percent of Ni, 0.4-0.6 percent of Mo, 0.04-0.06 percent of Mg and the balance of Fe and inevitable impurities. Due to the mode, according to the alloy nodular cast iron roll, the bending strength, impact toughness, deflection, percentage reduction of area, percentage elongation after fracture and yield of the roll can be improved.
Description
Technical field
The present invention relates to the roll technology field, particularly relate to a kind of alloy nodular cast iron roll.
Background technology
Ferrous materials plays an important role in social and economic activities, and steel rolling is become a useful person, and needs to consume a large amount of rolls.Therefore, the quality of roll quality directly affects quality and the production cost of steel.Along with increasingly automatization of System on Rolling Steel, serialization and heavy-duty, the working conditions of roll is also increasingly abominable.For milling train is equipped with high performance roll, become the important research topic of roll industry, wherein the basis of high-performance roll is made in the optimization of roll material beyond doubt.
Existing roll material adopts the High-Strength Low-Alloy structure iron more, and the alloying level of this class material is lower, and through after the final thermal treatment, its depth of hardening zone only can satisfy general requirement, and peels off with the crackle tendency seriously in using, and the rolling life-span is low.
In the roll material of various widespread uses, alloy nodular cast iron is a kind of improvement to traditional roll material, and it utilizes alloying but not heat-treating methods, has obtained preferably over-all properties.Therefore, the optimization of the performances such as roll microstructure and intensity thereof, plasticity, impact toughness, fatigue strength and wear resistance needs to use the multi-element alloyed methods such as Mo, Ni.
Summary of the invention
The technical problem that the present invention mainly solves is: for the deficiencies in the prior art, provide a kind of alloy nodular cast iron roll, can improve bending strength, impact toughness, amount of deflection, relative reduction in area, elongation after fracture and the yield strength of roll.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of alloy nodular cast iron roll is provided, comprises the following ingredients that forms by mass percentage: C:3.6%-3.8%, Si:1.7%-2.0%, Mn:0.6%-0.7%, P :≤0.025%, S :≤0.02%, Cr:0.1%-0.3%, Ni:1.5%-2.0%, Mo:0.4%-0.6%, Mg:0.04-0.06%, all the other are Fe and inevitable impurity.
In a preferred embodiment of the present invention, described inevitable impurity comprises Nb, Ti and V.
In a preferred embodiment of the present invention, the content of described Nb is that the content of 0.06-0.1%, described Ti is 0.1-0.15%, and the content of described V is 0.2-0.4%.
The invention has the beneficial effects as follows: alloy nodular cast iron roll is by the reasonably optimizing coupling of alloy element, optimize the massfraction of Ni, Cr, add simultaneously an amount of Nb, Ti and V, improved the composition of roll, make that carbide morphology has obtained remarkable improvement in the roll, thereby bending strength, impact toughness, amount of deflection, relative reduction in area, elongation after fracture and the yield strength of roll have been improved, and solved the problem that peel off precision rolling working roll body of roll hole slot internal skin, and improved single groove amount of rolling of milling train.
Embodiment
The below is described in detail preferred embodiment of the present invention, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that protection scope of the present invention is made more explicit defining.
The embodiment of the invention comprises:
A kind of alloy nodular cast iron roll, comprise the following ingredients that forms by mass percentage: C:3.6%-3.8%, Si:1.7%-2.0%, Mn:0.6%-0.7%, P :≤0.025%, S :≤0.02%, Cr:0.1%-0.3%, Ni:1.5%-2.0%, Mo:0.4%-0.6%, Mg:0.04-0.06%, all the other are Fe and inevitable impurity.
Wherein, described inevitable impurity comprises Nb, Ti and V.
The content of described Nb is that the content of 0.06-0.1%, described Ti is 0.1-0.15%, and the content of described V is 0.2-0.4%.
Embodiment one:
A kind of alloy nodular cast iron roll comprises the following ingredients that forms by mass percentage: C:3.6%, Si:1.7%, Mn:0.6%, P:0.025%, S:0.02%, Cr:0.2%, Ni:1.7%, Mo:0.5%, Mg:0.05%, Nb:0.08%, Ti:0.12, V:0.3, all the other are Fe.
Embodiment two:
A kind of alloy nodular cast iron roll comprises the following ingredients that forms by mass percentage: C:3.8%, Si:2.0%, Mn:0.7%, P:0.025%, S:0.02%, Cr:0.2%, Ni:1.7%, Mo:0.5%, Mg:0.05%, Nb:0.08%, Ti:0.12, V:0.3, all the other are Fe.
The indexs such as the bending strength of alloy nodular cast iron roll of the present invention, impact toughness, amount of deflection, relative reduction in area, elongation after fracture and yield strength all more conventional spheroidal graphite roll are significantly improved.Adopt alloy nodular cast iron roll of the present invention can make single groove amount of rolling of bar finish rolling improve about 40%, decrease roll change, change the man-hours in idleness of groove, the operating rate of milling train is significantly improved, the simultaneously optimization and improvement of roll quality the surface quality of stocking, solved the problem that peel off precision rolling working roll body of roll hole slot internal skin, and the cost of this roll material is relatively low, and had by a relatively large margin raising with respect to traditional grain roll work-ing life.
The present invention has disclosed a kind of alloy nodular cast iron roll, reasonably optimizing coupling by the alloy element, optimize the massfraction of Ni, Cr, add simultaneously an amount of Nb, Ti and V, improved the composition of roll, make that carbide morphology has obtained remarkable improvement in the roll, thereby bending strength, impact toughness, amount of deflection, relative reduction in area, elongation after fracture and the yield strength of roll have been improved, and solved the problem that peel off precision rolling working roll body of roll hole slot internal skin, and improved single groove amount of rolling of milling train.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes description of the present invention to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (3)
1. alloy nodular cast iron roll, it is characterized in that, comprise the following ingredients that forms by mass percentage: C:3.6%-3.8%, Si:1.7%-2.0%, Mn:0.6%-0.7%, P :≤0.025%, S :≤0.02%, Cr:0.1%-0.3%, Ni:1.5%-2.0%, Mo:0.4%-0.6%, Mg:0.04-0.06%, all the other are Fe and inevitable impurity.
2. alloy nodular cast iron roll according to claim 1 is characterized in that, described inevitable impurity comprises Nb, Ti and V.
3. alloy nodular cast iron roll according to claim 2 is characterized in that, the content of described Nb is that the content of 0.06-0.1%, described Ti is 0.1-0.15%, and the content of described V is 0.2-0.4%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310252047 CN103320676A (en) | 2013-06-24 | 2013-06-24 | Alloy nodular cast iron roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310252047 CN103320676A (en) | 2013-06-24 | 2013-06-24 | Alloy nodular cast iron roll |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103320676A true CN103320676A (en) | 2013-09-25 |
Family
ID=49189712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201310252047 Pending CN103320676A (en) | 2013-06-24 | 2013-06-24 | Alloy nodular cast iron roll |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103320676A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104561760A (en) * | 2014-12-31 | 2015-04-29 | 铜陵市经纬流体科技有限公司 | High-toughness soft-seal brake valve body and preparing method thereof |
| CN104651746A (en) * | 2013-11-18 | 2015-05-27 | 铜陵市大明玛钢有限责任公司 | Alloy cast steel roller |
| CN105899694A (en) * | 2014-01-28 | 2016-08-24 | 瓦锡兰芬兰有限公司 | A spheroidal graphite iron for cylinder heads and method for manufacturing it |
| CN110904380A (en) * | 2019-12-04 | 2020-03-24 | 河北津西钢铁集团重工科技有限公司 | High-hardness nodular cast iron roller sheet and casting method thereof |
| CN112743064A (en) * | 2020-12-29 | 2021-05-04 | 唐山先隆轧辊实业有限公司 | High-nitrogen high-speed steel centrifugal composite roller and preparation process thereof |
-
2013
- 2013-06-24 CN CN 201310252047 patent/CN103320676A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104651746A (en) * | 2013-11-18 | 2015-05-27 | 铜陵市大明玛钢有限责任公司 | Alloy cast steel roller |
| CN105899694A (en) * | 2014-01-28 | 2016-08-24 | 瓦锡兰芬兰有限公司 | A spheroidal graphite iron for cylinder heads and method for manufacturing it |
| CN105899694B (en) * | 2014-01-28 | 2019-02-15 | 瓦锡兰芬兰有限公司 | Spheroidal graphite cast-iron and its manufacturing method for cylinder head |
| CN104561760A (en) * | 2014-12-31 | 2015-04-29 | 铜陵市经纬流体科技有限公司 | High-toughness soft-seal brake valve body and preparing method thereof |
| CN110904380A (en) * | 2019-12-04 | 2020-03-24 | 河北津西钢铁集团重工科技有限公司 | High-hardness nodular cast iron roller sheet and casting method thereof |
| CN110904380B (en) * | 2019-12-04 | 2021-06-08 | 河北津西钢铁集团重工科技有限公司 | High-hardness nodular cast iron roller sheet and casting method thereof |
| CN112743064A (en) * | 2020-12-29 | 2021-05-04 | 唐山先隆轧辊实业有限公司 | High-nitrogen high-speed steel centrifugal composite roller and preparation process thereof |
| CN112743064B (en) * | 2020-12-29 | 2022-07-12 | 唐山先隆轧辊实业有限公司 | High-nitrogen high-speed steel centrifugal composite roller and preparation process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES2887082T3 (en) | High-strength, high-toughness, low-alloy steel panel and method of making the same | |
| CN102618779B (en) | As-cast bainite ductile cast iron composite roll | |
| CN109628836A (en) | A kind of high-strength building structure anti-seismic refractory steel and preparation method thereof | |
| CN103146997A (en) | Low-alloy high-toughness wear resistant steel plate and manufacturing method thereof | |
| CN103820735A (en) | Super strength C-Al-Mn-Si series low-density steel and its preparation method | |
| CN105506504A (en) | Ultrahigh-strength wear-resistant steel plate and production method thereof | |
| CN103498107A (en) | High-boron high-chromium low-carbon high-temperature-resistant wear-resisting alloy steel and manufacturing method thereof | |
| CN103114245B (en) | A kind of abrasion-proof backing block and preparation method thereof | |
| CN102912246B (en) | High-manganese-steel composite material applied to bushing block of tapered crushing machine | |
| CN102517499A (en) | High-strength and low-cost dilute alloy wear resistant cast steel | |
| CN103320676A (en) | Alloy nodular cast iron roll | |
| CN103572166A (en) | Boracic high-speed steel with good red hardness and preparation method thereof | |
| CN101775539A (en) | High-flexibility wear-resistant steel plate and manufacturing method thereof | |
| CN105239014A (en) | Low-cost high-carbon medium-magnesium abrasion resisting steel and manufacturing method of hot rolled plate of low-cost high-carbon medium-magnesium abrasion resisting steel | |
| CN108998725A (en) | Track link rail 35MnBM steel and preparation method thereof | |
| CN103556039A (en) | Preparation method of nodular cast iron of alloy for roll | |
| CN102943212A (en) | NM500 high-strength wear-resistant steel plate and heat treatment technique thereof | |
| CN102041454B (en) | High hardness steel for forging and forming cold roller | |
| CN103498108A (en) | High-boron high-chromium low-carbon wear-resisting alloy steel with good red hardness and manufacturing method thereof | |
| CN105239015A (en) | High-carbon medium-magnesium abrasion resisting steel and hot rolled plate manufacturing method | |
| CN102534356A (en) | Wear-resistant white cast iron material and preparation method thereof | |
| CN102234734B (en) | Production process of modified alloy ball iron roller | |
| CN103290328A (en) | High-niobium, high-wear-resistance and high-toughness cold-work die steel | |
| CN102330040A (en) | Free-machining steel material | |
| CN104651735B (en) | Low-alloy wear-resistant steel with toughness being more than 50J/cm2 and production method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130925 |