CN1422973A - High temperature and abrasive-particle wear resistant build-up welding alloy material - Google Patents
High temperature and abrasive-particle wear resistant build-up welding alloy material Download PDFInfo
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- CN1422973A CN1422973A CN 01135231 CN01135231A CN1422973A CN 1422973 A CN1422973 A CN 1422973A CN 01135231 CN01135231 CN 01135231 CN 01135231 A CN01135231 A CN 01135231A CN 1422973 A CN1422973 A CN 1422973A
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Abstract
The invention refers to a high temperature-resisting abrasion build-up welding alloy material, except Fe, C, it includes Cr, MKo, W, Nb, V high temperature strengthening elements, the alloy also includes boron and rare-earth element, the composition is: C 1-5, Cr 10-30, Mo 2-12, W 1-8, Nb 2-15, V 1-5, B 1-6, rare-earth 0.01-2, the other is Fe.
Description
Technical field
The present invention relates to a kind of alloy material, specifically a kind of high temperature and abrasive-particle wear resistant build-up welding alloy material.
Background technology
We know, the rapid wear component of machine of under hot conditions, working, for example: be used for the built-up welding of single roller, hock and the grate plate etc. of steel mill's sintered production line single roll crusher, must possess high temperature resistance, anti abrasive performance.Into " synergic wear operating mode " incorporates the operating mode of high temperature and wearing and tearing coexistences in academia, inclement condition and complexity.This just requires resurfacing welding material to have good performance.Abroad such as large multinational companies such as Switzerland Ka Situolinetedi company, German Metz companies, the resurfacing welding material brand that oneself is applied to high temperature wear is all arranged, as: the trade mark that Castolin S.A. produces is that 6715 surfacing welding electrode, the trade mark that Metz company produces are the surfacing welding electrode of GRIDUR65.Wherein the GRIDUR65 welding rod material therefor composition of 6715 welding rods of Castolin S.A. and Metz company is roughly similar, contain in the hardfacing alloy: High-Temperature Strengthening elements such as Cr, Mo, Nb, W, V, see Table 1 (surplus is Fe), material therefor is the high carbon and chromium resurfacing welding material.But at home, up to now, also do not have and to occur by the ripe high temperature and abrasive-particle wear resistant build-up welding alloy material of using.
Table 1 (weight %)
| ????C | ????Cr | ????Mo | ????W | ????Nb | ????V |
| ????5.0-5.5 | ????21-23 | ????7-8 | ????2-6 | ????7-9 | ????2-4 |
Summary of the invention
Technical problem to be solved by this invention is to overcome above-mentioned the deficiencies in the prior art, a kind of metal carbon-boron compound with complex construction is provided, under hot conditions, have very high hardness and anti-capacity of decomposition, tiny and the uniform distribution of crystal grain can increase substantially the high temperature and abrasive-particle wear resistant build-up welding alloy material in the work-ing life of the rapid wear component of machine of working under hot conditions.
The technical scheme that the present invention solves the problems of the technologies described above employing is: a kind of high temperature and abrasive-particle wear resistant build-up welding alloy material, it is except that containing Fe, C, also contain Cr, Mo, W, Nb, V High-Temperature Strengthening element, it is characterized in that also having introduced in the alloy alloying element boron and rare earth, the concrete content (weight %) of forming is: C 1-5, Cr 10-30, Mo 2-12, W 1-8, Nb 2-15, V 1-5, B1-6, rare earth 0.01-2, surplus Fe.
Against existing technologies, there are a large amount of baroque metal carbon-boron compounds in the present invention owing to introduced element " boron " and " rare earth " in build-up welding alloy material in deposited metal of the present invention.These have the metal carbon-boron compound of complex construction, under hot conditions, have very high hardness and and wear-resistant grain polishing machine and anti-capacity of decomposition, simultaneously, boron is strengthened crystal boundary in deposited metal, also high-temperature behavior is had bigger contribution; Rare earth plays inoculation(effect) in the deposited metal crystallisation process, make deposited metal crystal grain, particularly tiny the and uniform distribution of metal carbon-boron compound crystal grain.This abrasion resistance material is applicable to the strong abrasive wear operating mode under the hot conditions, can increase substantially the work-ing life of the rapid wear component of machine of working under hot conditions.It can be made into surfacing welding electrode, block resurfacing welding material or powder weld deposition material.
Embodiment
The invention will be further described below in conjunction with embodiment:
A kind of high temperature and abrasive-particle wear resistant build-up welding alloy material of the present invention, it contains Fe, C and Cr, Mo, W, Nb, V High-Temperature Strengthening element, alloy has also been introduced element boron and rare earth element, the concrete content (weight %) of forming is: C 1-5, Cr 10-30, Mo 2-12, W 1-8, Nb 2-15, V 1-5, B 1-6, rare earth 0.01-2, surplus Fe.Rare earth of the present invention can be selected compound or the alloy of cerium Ce, praseodymium Pr, yttrium Y etc. for use.Its best group of material of the present invention becomes to form content (weight %): C 3.0-5, Cr 20-25, Mo 6-11, W 2-6, Nb 7-10, V 2.5-4, B 2-5, rare earth cerium Ce compound 0.1-1.5, surplus is Fe.Material of the present invention has good high temperature and abrasive-particle wear resistant performance, and its reason that can realize higher hot hardness and wear resistance is:
(1) there is a large amount of High-Temperature Strengthening elements in the deposited metal: Cr, Mo, W, Nb, V etc.The avidity of these elements and carbon is bigger, is easy to form metallic carbide, and these carbide high-temperature stabilities are good, is difficult for decomposing.
(2) in deposited metal, introduced alloying element " boron ".The same avidity with Cr, Mo, W, Nb, V etc. with carbon of boron is bigger, is easy to form metal boride.In fact, the metallic compound that exists in the deposited metal of the present invention is neither the also non-boride of carbide, but baroque metal carbon-boron compound.These metal carbon-boron compounds with complex construction have higher hardness and high temperature resistance capacity of decomposition than its corresponding metal carbide.Simultaneously, boron is strengthened crystal boundary in deposited metal, also high-temperature behavior is had bigger contribution.
(3) in deposited metal, introduced " rare earth ".Rare earth plays inoculation(effect) in the deposited metal crystallisation process, make deposited metal crystal grain, particularly tiny the and uniform distribution of metal carbon-boron compound crystal grain.
The present invention can be made into surfacing welding electrode, block resurfacing welding material or powder weld deposition material.Can be used for the built-up welding of steel mill's sintered production line single roll crusher list roller and hock.
Embodiment 1, a kind of high temperature and abrasive-particle wear resistant build-up welding alloy material, it contains Fe, C and Cr, Mo, W, Nb, V High-Temperature Strengthening element, alloy has also been introduced element boron and rare earth element, the concrete content (weight %) of forming is: C 5, Cr 25, Mo 11, W 6, Nb 10, V 4, B 5, rare earth cerium Ce compound 1.5, surplus is Fe.Material of the present invention has good high temperature and abrasive-particle wear resistant performance.The test specimen made from this material and with 6715, the test specimen made of GRIUR65 does the hot hardness experiment with machine, the gained data see Table 2:
Table 2
| Experiment material | 20 ℃ of normal temperature (HRC) | ?400℃(HV) | ?600℃(HV) | ?800℃(HV) |
| ????6715 | ????65 | ????591 | ????455 | ????197 |
| ??GRIDUR65 | ????65 | ????602 | ????436 | ????181 |
| Material of the present invention | ????66 | ????788 | ????633 | ????564 |
Embodiment 2, a kind of high temperature and abrasive-particle wear resistant build-up welding alloy material, it contains Fe, C and Cr, Mo, W, Nb, V High-Temperature Strengthening element, alloy has also been introduced element boron and rare earth element, the concrete content (weight %) of forming is: C 3, Cr 18, Mo 8, W 5, Nb 7, V 2.5, B 1.9, rare earth cerium Ce compound 0.2, surplus is Fe.Material of the present invention has good high temperature and abrasive-particle wear resistant performance.The test specimen made from this material and with 6715, the test specimen made of GRIUR65 does the hot hardness experiment with machine, the gained data see Table 3:
Table 3
| Experiment material | 20 ℃ of normal temperature (HRC) | ?400℃(HV) | ?600℃(HV) | ?800℃(HV) |
| ????6715 | ????65 | ????591 | ????455 | ????197 |
| ??GRIDUR65 | ????65 | ????602 | ????436 | ????181 |
| Material of the present invention | ????66 | ????770 | ????625 | ????520 |
Embodiment 3, a kind of high temperature and abrasive-particle wear resistant build-up welding alloy material, it contains Fe, C and Cr, Mo, W, Nb, V High-Temperature Strengthening element, alloy has also been introduced element boron and rare earth element, the concrete content (weight %) of forming is: C 4, Cr 12, Mo 3, W 3.5, Nb 5.5, V 1.6, B 1, rare earth yittrium alloy 0.5, surplus are Fe.Material of the present invention has good high temperature and abrasive-particle wear resistant performance.The test specimen made from this material and with 6715, the test specimen made of GRIUR65 does the hot hardness experiment with machine, the gained data see Table 4:
Table 4
| Experiment material | 20 ℃ of normal temperature (HRC) | 400℃(HV) | 600℃(HV) | 800℃(HV) |
| ????6715 | ????65 | ????591 | ????455 | ????197 |
| ??GRIDUR65 | ????65 | ????602 | ????436 | ????181 |
| Material of the present invention | ????65 | ????680 | ????560 | ????481 |
Claims (2)
1, a kind of high temperature and abrasive-particle wear resistant build-up welding alloy material, it is except that containing Fe, C, also contain Cr, Mo, W, Nb, V High-Temperature Strengthening element, it is characterized in that alloy also introduced element boron and rare earth element, concrete composition content (weight %) is .C 1-5, Cr 10-30, Mo 2-12, W 1-8, Nb 2-15, V 1-5, B 1-6, rare earth 0.01-2, surplus Fe.
2, by the described high temperature and abrasive-particle wear resistant build-up welding alloy material of claim 1, it is characterized in that its best group becomes to form content (weight %) and is: C 3-5, Cr 20-25, Mo 6-11, W 2-6, Nb 7-10, V 2.5-4, B 2-5, rare earth cerium Ce compound 0.1-1.5, surplus is Fe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011352310A CN1182269C (en) | 2001-12-05 | 2001-12-05 | High temperature and abrasive-particle wear resistant build-up welding alloy material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011352310A CN1182269C (en) | 2001-12-05 | 2001-12-05 | High temperature and abrasive-particle wear resistant build-up welding alloy material |
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| CN1422973A true CN1422973A (en) | 2003-06-11 |
| CN1182269C CN1182269C (en) | 2004-12-29 |
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| CNB011352310A Expired - Fee Related CN1182269C (en) | 2001-12-05 | 2001-12-05 | High temperature and abrasive-particle wear resistant build-up welding alloy material |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100371489C (en) * | 2006-04-06 | 2008-02-27 | 于风福 | Abrasion-resistant alloy material |
| CN101014728B (en) * | 2004-09-27 | 2011-05-25 | 加利福尼亚大学董事会 | Low cost amorphous steel |
| CN104625473A (en) * | 2014-12-31 | 2015-05-20 | 江苏科技大学 | Wear resistant surfacing alloy material and preparing method thereof |
| CN107052620A (en) * | 2017-03-31 | 2017-08-18 | 安徽再制造工程设计中心有限公司 | Built-up welding high-chromium cast iron-type open arc welding flux cored wire and its application method |
| CN108817843A (en) * | 2018-08-13 | 2018-11-16 | 安徽鼎恒再制造产业技术研究院有限公司 | A kind of monodentate crusher renovation technique |
| CN108942077A (en) * | 2018-08-13 | 2018-12-07 | 芜湖鼎瀚再制造技术有限公司 | A kind of grinder hammerhead renovation technique |
-
2001
- 2001-12-05 CN CNB011352310A patent/CN1182269C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101014728B (en) * | 2004-09-27 | 2011-05-25 | 加利福尼亚大学董事会 | Low cost amorphous steel |
| CN100371489C (en) * | 2006-04-06 | 2008-02-27 | 于风福 | Abrasion-resistant alloy material |
| CN104625473A (en) * | 2014-12-31 | 2015-05-20 | 江苏科技大学 | Wear resistant surfacing alloy material and preparing method thereof |
| CN104625473B (en) * | 2014-12-31 | 2017-01-25 | 江苏科技大学 | Wear resistant surfacing alloy material and preparing method thereof |
| CN107052620A (en) * | 2017-03-31 | 2017-08-18 | 安徽再制造工程设计中心有限公司 | Built-up welding high-chromium cast iron-type open arc welding flux cored wire and its application method |
| CN108817843A (en) * | 2018-08-13 | 2018-11-16 | 安徽鼎恒再制造产业技术研究院有限公司 | A kind of monodentate crusher renovation technique |
| CN108942077A (en) * | 2018-08-13 | 2018-12-07 | 芜湖鼎瀚再制造技术有限公司 | A kind of grinder hammerhead renovation technique |
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| Publication number | Publication date |
|---|---|
| CN1182269C (en) | 2004-12-29 |
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