CN104846269A - Abrasion-resisting steel main cutting plate for excavator - Google Patents
Abrasion-resisting steel main cutting plate for excavator Download PDFInfo
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- CN104846269A CN104846269A CN201510223015.9A CN201510223015A CN104846269A CN 104846269 A CN104846269 A CN 104846269A CN 201510223015 A CN201510223015 A CN 201510223015A CN 104846269 A CN104846269 A CN 104846269A
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- Prior art keywords
- resisting steel
- excavator
- wear resisting
- abrasion
- plate
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Abstract
The invention discloses an abrasion-resisting steel main cutting plate for an excavator. The abrasion-resisting steel main cutting plate is prepared by, by weight, chemical components including C 2.2-2.5%, V 8.5-11%, Cr 5-6.5%, Ni 2-3%, B 1.5-2.5%, W 0.8-1.1%, Si 0.6-0.8% and the balance Fe, wherein P is smaller than or equal to 0.03%, and S is smaller than or equal to 0.02%. The abrasion-resisting steel main cutting plate has good hardness and toughness and is excellent in abrasion resistance.
Description
Technical field
The present invention relates to a kind of excavator wear resisting steel to operate plate.
Background technology
Excavator is one of engineering machinery main in earthwork, wearing and tearing are one of major ways causing this kind of machinery operator blackboard newspaper useless, in use not only to be subject to the strong wear of the abrasive particles such as sandstone, but also the intense impact of large stone will be subject to, therefore, when select materials, need hardness and the toughness of considering material, to reduce wearing and tearing and the fracture of material.
Summary of the invention
The technical problem to be solved in the present invention overcomes existing defect, provides a kind of excavator wear resisting steel and to operate plate.
In order to solve the problems of the technologies described above, the invention provides following technical scheme:
A kind of excavator wear resisting steel is operated plate, described wear resisting steel operator plate is containing the chemical composition of following weight percentage: C 2.2 ~ 2.5%, V 8.5 ~ 11%, Cr 5 ~ 6.5%, Ni 2 ~ 3%, B 1.5 ~ 2.5%, W 0.8 ~ 1.1%, Si 0.6 ~ 0.8%, P≤0.03%, S≤0.02%, surplus is Fe.
Further, described wear resisting steel operator plate is containing the chemical composition of following weight percentage: C 2.3 ~ 2.5%, V 8.5 ~ 11%, Cr 6 ~ 6.5%, Ni 2.5 ~ 3%, B 1.5 ~ 2%, W 1 ~ 1.1%, Si 0.7 ~ 0.8%, P≤0.03%, S≤0.02%, surplus is Fe.
Operate compared with plate with the wear resisting steel of existing excavator, wear resisting steel operator plate of the present invention can significantly improve hardness and the toughness of material, alleviates the wearing and tearing of knife plate.
Embodiment
Below the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
embodiment 1
A kind of excavator wear resisting steel is operated plate, and described wear resisting steel operator plate is containing the chemical composition of following weight percentage: C 2.2%, V 9%, Cr 5%, Ni 2%, B 2.5%, W 0.8%, Si 0.6%, surplus are Fe.By proportional quantity, charging, melting, cast molding, obtains described wear resisting steel operator plate.
Phosphorus, sulphur are inevitable impurity, should control P≤0.03% in final finished, S≤0.02%.
The hardness of described wear resisting steel operator plate is 70.4HRC, and impelling strength is 42J/cm
2.
embodiment 2
A kind of excavator wear resisting steel is operated plate, and described wear resisting steel operator plate is containing the chemical composition of following weight percentage: C 2.3%, V 8.5%, Cr 6%, Ni 2.5%, B 1.5%, W 1.1%, Si 0.7%, surplus are Fe.By proportional quantity, charging, melting, cast molding, obtains described wear resisting steel operator plate.
Phosphorus, sulphur are inevitable impurity, should control P≤0.03% in final finished, S≤0.02%.
The hardness of described wear resisting steel operator plate is 76.1HRC, and impelling strength is 64J/cm
2.
embodiment 3
A kind of excavator wear resisting steel is operated plate, and described wear resisting steel operator plate is containing the chemical composition of following weight percentage: C 2.5%, V 11%, Cr 6.5%, Ni 3%, B 2%, W 1%, Si 0.8%, surplus are Fe.By proportional quantity, charging, melting, cast molding, obtains wear resisting steel operator plate.
Phosphorus, sulphur are inevitable impurity, should control P≤0.03% in final finished, S≤0.02%.
The hardness of described wear resisting steel operator plate is 78.4HRC, and impelling strength is 58J/cm
2.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. an excavator wear resisting steel is operated plate, described wear resisting steel operator plate is containing the chemical composition of following weight percentage: C 2.2 ~ 2.5%, V 8.5 ~ 11%, Cr 5 ~ 6.5%, Ni 2 ~ 3%, B 1.5 ~ 2.5%, W 0.8 ~ 1.1%, Si 0.6 ~ 0.8%, P≤0.03%, S≤0.02%, surplus is Fe.
2. excavator wear resisting steel according to claim 1 is operated plate, it is characterized in that: described wear resisting steel operator plate is containing the chemical composition of following weight percentage: C 2.3 ~ 2.5%, V 8.5 ~ 11%, Cr 6 ~ 6.5%, Ni 2.5 ~ 3%, B 1.5 ~ 2%, W 1 ~ 1.1%, Si 0.7 ~ 0.8%, P≤0.03%, S≤0.02%, surplus is Fe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510223015.9A CN104846269A (en) | 2015-05-05 | 2015-05-05 | Abrasion-resisting steel main cutting plate for excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510223015.9A CN104846269A (en) | 2015-05-05 | 2015-05-05 | Abrasion-resisting steel main cutting plate for excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104846269A true CN104846269A (en) | 2015-08-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510223015.9A Pending CN104846269A (en) | 2015-05-05 | 2015-05-05 | Abrasion-resisting steel main cutting plate for excavator |
Country Status (1)
| Country | Link |
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| CN (1) | CN104846269A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006048034A1 (en) * | 2004-11-03 | 2006-05-11 | Thyssenkrupp Steel Ag | High-strength steel strip or sheet exhibiting twip properties and method for producing said strip by direct strip casting ' |
| CN102660714A (en) * | 2012-06-05 | 2012-09-12 | 河南理工大学 | High-carbon and high-vanadium wear-resistant steel |
| CN102978536A (en) * | 2012-12-27 | 2013-03-20 | 河南理工大学 | High-vanadium high-speed steel |
| WO2015045985A1 (en) * | 2013-09-25 | 2015-04-02 | 日立金属株式会社 | Centrifugally cast composite roll for hot rolling |
-
2015
- 2015-05-05 CN CN201510223015.9A patent/CN104846269A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006048034A1 (en) * | 2004-11-03 | 2006-05-11 | Thyssenkrupp Steel Ag | High-strength steel strip or sheet exhibiting twip properties and method for producing said strip by direct strip casting ' |
| CN102660714A (en) * | 2012-06-05 | 2012-09-12 | 河南理工大学 | High-carbon and high-vanadium wear-resistant steel |
| CN102978536A (en) * | 2012-12-27 | 2013-03-20 | 河南理工大学 | High-vanadium high-speed steel |
| WO2015045985A1 (en) * | 2013-09-25 | 2015-04-02 | 日立金属株式会社 | Centrifugally cast composite roll for hot rolling |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150819 |