CN104313477A - High abrasion resistant steel and application thereof - Google Patents
High abrasion resistant steel and application thereof Download PDFInfo
- Publication number
- CN104313477A CN104313477A CN201410529438.9A CN201410529438A CN104313477A CN 104313477 A CN104313477 A CN 104313477A CN 201410529438 A CN201410529438 A CN 201410529438A CN 104313477 A CN104313477 A CN 104313477A
- Authority
- CN
- China
- Prior art keywords
- steel
- high abrasion
- excavation
- application
- present
- 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
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses high abrasion resistant steel and application thereof, aiming at solving the problems that the existing hob cutting ring is made of H13, has short service life and is required to be replaced when used for tunneling for 2-3m, so that the excavation cost is increased, the excavation progress is delayed and the working program is seriously influenced. The high abrasion resistant steel is prepared from the following components in percentage by weight: 0.95-1.30% of C, 0.95-1.60% of Si, 0.20-0.55% of Mn, less than or equal to 0.030% of P, less than or equal to 0.030% of S, 6.50-9.00% of Cr, 1.10-1.80% of Mo and 1.50-3.50% of V, and the balance of iron and inevitable impurities. The new steel has high abrasion resistance, and devices manufactured by the steel have high abrasion resistance and high application value; the cutting ring made of the steel has high abrasion resistance; and the steel has important economic and social values on prolonging the service life of the cutting ring, increasing the excavation meters and ensuring the excavation progress.
Description
Technical field
The present invention relates to iron and steel domain, especially a kind of high abrasion steel and application thereof.
Background technology
Along with the continuous quickening of countries in the world (especially developed country) urbanization process, the underground installations such as subway are come into operation in a large number, and the prospect of underground space development is boundless.Underground space engineering construction increases gradually, and shield excavation machine obtains and uses widely in the engineering such as Underground Rail Transit and tunnel.Under the background of non-digging technology develop rapidly, accompany with it, both at home and abroad the demand of shield engine is strengthened day by day.
At present, the research and development metro shield equipment that China can be autonomous, domestic shield engine and accessory also substituting import one product gradually, starts occuping market dominant position.Along with the continuous intensification of domestic Underground Rail Transit project, the demand for shield cutter also constantly increases, and hobboing cutter is wherein the main expendable part on shield engine, and consumption is quite large.The cutter ring of hobboing cutter, according to the difference of rock-soil layer soil property, chooses different materials, material select the work-ing life determining cutter ring.
At present, material major part selected by hobboing cutter cutter ring is H13, (wt%) composed as follows of H13 (4Cr5MoSiV1): the Mn of the C of 0.32 ~ 0.45wt%, the Si of 0.80 ~ 1.20wt%, 0.20 ~ 0.50wt%, the P of≤0.030wt%, the S of≤0.030wt%, the Cr of 4.75 ~ 5.50wt%, the Mo of 1.10 ~ 1.75wt%, the V of 0.80 ~ 1.20wt%, surplus is iron and inevitable impurity.
Then, the work-ing life of the hobboing cutter cutter ring adopting H13 to make is relatively short, and driving 2-3 rice will be changed.Frequent replacing hobboing cutter cutter ring, cause excavate costs to increase, excavation progress delays, and has a strong impact on job schedule.
Therefore, at present in the urgent need to a kind of material for hobboing cutter cutter ring newly, to extend the work-ing life of cutter ring.
Summary of the invention
Goal of the invention of the present invention is: for adopting H13 to make hobboing cutter cutter ring at present, this cutter ring is relatively short for work-ing life, and driving 2-3 rice will be changed, excavate costs is caused to increase, excavation progress delays, and has a strong impact on the problem of job schedule, provides a kind of high abrasion steel and application thereof.The invention provides a kind of new steel, it has the feature of high-wearing feature.Adopt the apparatus manufactured by steel of the present invention to have the feature of high-wearing feature, there is higher using value.Adopt the cutter ring made by steel of the present invention to have the feature of high-wearing feature, for prolongation cutter ring long service life, increase and excavate rice number, ensure excavation progress, there is important economic worth and social value.
To achieve these goals, the present invention adopts following technical scheme:
A kind of high abrasion steel, comprise the component of following weight percent:
C：0.95～1.30；
Si：0.95～1.60；
Mn：0.20～0.55；
P：≤0.030；
S：≤0.030；
Cr：6.50～9.00；
Mo：1.10～1.80；
V：1.50～3.50；
All the other are iron and inevitable impurity.
Further, the component of following weight percent is comprised:
C：1.00～1.20；
Si：1.10～1.55；
Mn：0.30～0.45；
P：≤0.030；
S：≤0.030；
Cr：7.00～8.00；
Mo：1.20～1.60；
V：1.80～3.00；
All the other are iron and inevitable impurity.
Further, the component of following weight percent is comprised:
C：1.10；
Si：1.20；
Mn：0.40；
P：≤0.030；
S：≤0.030；
Cr：7.50；
Mo：1.30；
V：2.20；
All the other are iron and inevitable impurity.
These steel are used for the manufacture of wear-resisting apparatus by the application of aforementioned high abrasion steel.
These steel are used for the manufacture of hobboing cutter cutter ring by the application of aforementioned high abrasion steel.
For foregoing problems, the invention provides a kind of high abrasion steel and application thereof.Applicant is by this high abrasion steel called after DK48.Through actual verification, the wear resistance of high abrasion steel of the present invention comparatively H13 improves greatly, significantly can increase the work-ing life of cutter ring, improves and excavates rice number.
Can be found out by embodiments of the invention, adopt the wear resistance of DK48 of the present invention to be increased to 8 by 4 of H13, excavate rice number and rise to more than 5 meters by the 2-3 rice of H13, excavation rice number the longest in embodiment reaches 12.52 meters, and tap length is greatly improved.The increase in cutter ring work-ing life, and the prolongation of excavating rice number, mean the reduction of replacement frequency, and the minimizing of excavate costs, for shortening construction period, ensures job schedule, have great importance.
Along with the rapid growth of underground space engineering construction, the trend of meeting in explosive growth of shield engine and related accessory, and the cutter ring consumption of hobboing cutter also can sharply rise, and the hobboing cutter cutter ring that the present invention makes has, and wear resisting property is strong, the feature of long service life, it is for reduction excavate costs, ensure the progress of underground space engineering construction, there is significant progressive meaning.
Embodiment
All features disclosed in this specification sheets, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Arbitrary feature disclosed in this specification sheets, unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
Table 1 is the chemical composition contrast table of the present invention and existing steel H13.
Table 1 high abrasion of the present invention steel (i.e. DK48) contrasts with the chemical composition of existing steel H13
To be steel of the present invention (in table, the trade mark is DK48) show with the wear resistance of existing steel H13, Toughness comparison table 2.Wherein, 10 highest standards being divided into wear resistance, toughness, HRC:56-58 refers to that Rockwell hardness is that 56-58, HRC:60-62 refer to that Rockwell hardness is 60-62.
Table 2 wear resistance and Toughness comparison's table
| The trade mark | Wear resistance | Toughness |
| H13 | 4(HRC：56-58) | 8 |
| DK48 | 8(HRC：60-62) | 6 |
Table 3 is the specific embodiment of the present invention.
With the hobboing cutter made by conventional H 13 material for reference, the steel in employing table 3 embodiment are made into the hobboing cutter of same size.Be used in the actual excavation of certain subway by the hobboing cutter of preparation, each example measures three times, averaged, and corresponding measurement result is as shown in table 4.
Table 4 excavates rice number and measures
| Embodiment | Excavate rice number |
| 1 | 5.23 |
| 2 | 10.77 |
| 3 | 7.84 |
| 4 | 9.5 |
| 5 | 12.52 |
| 6 | 6.9 |
| H13 | 2.86 |
The hobboing cutter adopting existing H13 material to make is given, with the excavation rice number measurement result of the hobboing cutter adopted made by embodiment of the present invention 1-6 material in table 4.Can be found out by table 4, adopt the hobboing cutter that existing H13 material makes, it excavates rice number and is only 2.86 meters.And the hobboing cutter adopting the present invention to make, it excavates rice number and reaches more than 5.23 meters, is up to 12.52 meters, relative to current material, excavates rice number and is greatly improved.This also shows, wear resisting property of the present invention, excavation rice number comparatively prior art have had remarkable lifting, and it is for reduction hobboing cutter replacement frequency, extends hobboing cutter work-ing life, extends and excavate rice number, ensure engineering progress, significant.
The present invention is not limited to aforesaid embodiment.The present invention expands to any new feature of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.
Claims (5)
1. high abrasion steel, is characterized in that, comprise the component of following weight percent:
C：0.95～1.30；
Si：0.95～1.60；
Mn：0.20～0.55；
P：≤0.030；
S：≤0.030；
Cr：6.50～9.00；
Mo：1.10～1.80；
V：1.50～3.50；
All the other are iron and inevitable impurity.
2. high abrasion steel according to claim 1,2, is characterized in that,
C：1.00～1.20；
Si：1.10～1.55；
Mn：0.30～0.45；
P：≤0.030；
S：≤0.030；
Cr：7.00～8.00；
Mo：1.20～1.60；
V：1.80～3.00；
All the other are iron and inevitable impurity.
3. high abrasion steel according to claim 1 or 2, is characterized in that, comprise the component of following weight percent:
C：1.10；
Si：1.2；
Mn：0.40；
P：≤0.030；
S：≤0.030；
Cr：7.50；
Mo：1.30；
V：2.20；
All the other are iron and inevitable impurity.
4. the application of high abrasion steel according to any one of claim-3, is characterized in that, these steel are used for the manufacture of wear-resisting apparatus.
5. the application of high abrasion steel according to any one of claim-3, is characterized in that, these steel are used for the manufacture of hobboing cutter cutter ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410529438.9A CN104313477B (en) | 2014-10-10 | 2014-10-10 | A kind of high abrasion steel and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410529438.9A CN104313477B (en) | 2014-10-10 | 2014-10-10 | A kind of high abrasion steel and its application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104313477A true CN104313477A (en) | 2015-01-28 |
| CN104313477B CN104313477B (en) | 2017-10-13 |
Family
ID=52368783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410529438.9A Active CN104313477B (en) | 2014-10-10 | 2014-10-10 | A kind of high abrasion steel and its application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104313477B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107326265A (en) * | 2017-07-06 | 2017-11-07 | 浙江百达精工股份有限公司 | The tempering method for treating of rotating air conditioner compressor slide plate and slide plate |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1876880A (en) * | 2006-06-30 | 2006-12-13 | 贵州三占集团实业有限公司 | Cold-work die steel for high speed stamping |
| CN1884607A (en) * | 2005-06-22 | 2006-12-27 | 贵州大学 | Low cost high-speed steel |
| CN101386027A (en) * | 2007-09-14 | 2009-03-18 | 日立金属株式会社 | Centrifugal casting roller |
| WO2012121630A1 (en) * | 2011-03-04 | 2012-09-13 | Åkers AB | A forged roll meeting the requirements of the cold rolling industry and a method for production of such a roll |
-
2014
- 2014-10-10 CN CN201410529438.9A patent/CN104313477B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1884607A (en) * | 2005-06-22 | 2006-12-27 | 贵州大学 | Low cost high-speed steel |
| CN1876880A (en) * | 2006-06-30 | 2006-12-13 | 贵州三占集团实业有限公司 | Cold-work die steel for high speed stamping |
| CN101386027A (en) * | 2007-09-14 | 2009-03-18 | 日立金属株式会社 | Centrifugal casting roller |
| WO2012121630A1 (en) * | 2011-03-04 | 2012-09-13 | Åkers AB | A forged roll meeting the requirements of the cold rolling industry and a method for production of such a roll |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107326265A (en) * | 2017-07-06 | 2017-11-07 | 浙江百达精工股份有限公司 | The tempering method for treating of rotating air conditioner compressor slide plate and slide plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104313477B (en) | 2017-10-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103205650B (en) | A kind of heat-resistant antifriction steel plate and manufacture method thereof | |
| NZ708752A (en) | High-toughness low-alloy wear-resistant steel sheet and method of manufacturing the same | |
| AU2013302197B2 (en) | Method for producing molten steel having high wear resistance and steel having said characteristics | |
| MX2016007948A (en) | High strength hot-dip galvanized steel sheet and manufacturing method therefor. | |
| CN102758125B (en) | White cast iron for flow passage component | |
| CN104894488B (en) | A kind of boracic Cr Mo Ni antifriction alloy and preparation method thereof | |
| CN102776445B (en) | Lower bainite wear-resisting steel tube for slurry transport and production method of steel tube | |
| CN104451409A (en) | Low-cost HB400-grade wear-resisting steel and production method thereof | |
| CN104204262A (en) | Wear-resistant austenitic steel having superior machinability and ductility, and method for producing same | |
| CN102632320A (en) | Method for welding high-grade wear-resistant steel under protection of carbon dioxide | |
| CN101984124A (en) | Corrosion resistant and squeezing resistant casing pipe | |
| CN103882326B (en) | A kind of high-strength abrasion-proof shovel loader teeth | |
| CN102335798A (en) | New high-chromium alloy cast iron surfacing material | |
| CN103774046A (en) | Production process of wear-resistant X70 pipeline steel plate | |
| CN104313477A (en) | High abrasion resistant steel and application thereof | |
| CN103834871B (en) | 500MPa-level corrosion-resistant Cr-contained reinforcing steel bar and rolling process thereof | |
| CN104451431A (en) | High-performance marine riser board and production method | |
| CN108930001B (en) | High-hardness abrasion-resistant steel plate for slurry dredging and production method thereof | |
| CN103205639B (en) | Shovel blade cutting edge of loader and method for manufacturing shovel blade cutting edge | |
| CN105132793A (en) | Special abrasion-resistant ball for phosphorite and preparation method for abrasion-resistant ball | |
| CN107541680A (en) | Hobboing cutter cutter ring special steel with high-wear resistance | |
| CN104946975A (en) | Raw material steel of seamless steel pipe for drill pipe of rotary drilling rig and smelting method of raw material steel | |
| CN104561813A (en) | High-abrasion-resistance air-cooled medium carbon Si-Mn system steel | |
| CN102534421B (en) | Corrosion-resistant steel for natural gas transmission pipelines | |
| CN108890169A (en) | A kind of wear-resisting type surfacing welding containing high carbon ferro-chrome |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190417 Granted publication date: 20171013 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220417 Granted publication date: 20171013 |