CN108441785A - A kind of anticorrosive niobium alloy cast steel and its processing technology based on promotion yield point - Google Patents
A kind of anticorrosive niobium alloy cast steel and its processing technology based on promotion yield point Download PDFInfo
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- CN108441785A CN108441785A CN201810207435.1A CN201810207435A CN108441785A CN 108441785 A CN108441785 A CN 108441785A CN 201810207435 A CN201810207435 A CN 201810207435A CN 108441785 A CN108441785 A CN 108441785A
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- cast steel
- alloy cast
- anticorrosive
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- yield point
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/053—Means for oscillating the moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/30—Ferrous alloys, e.g. steel alloys containing chromium with cobalt
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The invention discloses a kind of based on the anticorrosive niobium alloy cast steel and its processing technology that promote yield point, is related to abrasion-proof steel ball alloy cast steel Raw material processing production technical field.In the present invention：Weight percent shared by raw material：Nb：5.6%, C：0.7%, Co：2.6%, S：0.18%, Cr：16.7%, Ba：0.68%, V：0.24%, remaining is Fe；Wherein, the weight ratio of Nb and C：Nb:C=8.The present invention in abrasion-proof steel ball cast steel raw material by being added niobium raw material, and compound form corresponding with carbon, iron material generation, effective crystal grain thinning promotes age-hardening, improve the intensity and yield point of alloy cast steel, improve the high-temperature anticorrosive and capacity antacid of alloy cast steel, the spheroid diameter difference for reducing abrasion-proof steel ball grinding material reduces the loss of abrasion-proof steel ball, improves material grinding efficiency.
Description
Technical field
The present invention relates to abrasion-proof steel ball alloy cast steel Raw material processing production technical field, more particularly to one kind are in the wrong based on being promoted
Take the anticorrosive niobium alloy cast steel and its processing technology of point.
Background technology
When stretching, when stress is more than elastic limit, even if stress is not further added by, and steel or sample are still for steel or sample
Continue to occur significantly to be plastically deformed, this phenomenon is referred to as surrender, and minimum stress value when generating yield phenomenon is yield point.
Abrasion-proof steel ball is a kind of crushing medium in ball mill, and the material being used in crushing mill makes material grind
It is thinner, to reach the standard of using, mainly used in fields such as mine, power plant, cement plant, steel plant, silica sand factory, coal chemical industries.
During abrasion-proof steel ball is ground material, the dynamics that friction and collision generate can be to abrasion-proof steel ball surface section
Divide and generate subtle deformation or even hit damage, causes the loss of abrasion-proof steel ball to aggravate, the spheroid diameter difference on steel ball becomes larger, and can lead to object
Abrasive lapping efficiency declines；If the yield force of steel ball surface layer steel body can be improved effectively, the spheroid diameter difference of abrasion-proof steel ball is reduced, then can
Enough reduce loss, the improving material grinding efficiency of abrasion-proof steel ball.
Invention content
The technical problem to be solved in the present invention is to provide it is a kind of based on promoted yield point anticorrosive niobium alloy cast steel and its
Processing technology improves the intensity and yield point of alloy cast steel, reduces by the way that niobium raw material is added in abrasion-proof steel ball cast steel raw material
The spheroid diameter difference of abrasion-proof steel ball grinding material, reduces the loss of abrasion-proof steel ball, improves material grinding efficiency.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions：
The present invention provides a kind of anticorrosive niobium alloy cast steel based on promotion yield point, including weight shared by following raw material and raw material
Measure percentage：
Nb：3.6~6.4%, C：0.38~0.84%, Co：2.3~3.1%, S<0.25%, Cr：15~17%, Ba：0.56~
0.77%, V：0.12~0.35%, remaining is Fe；
Wherein, the weight ratio of Nb and C：Nb:C>6.5.
Wherein, weight percent shared by raw material：
Nb：5.6%, C：0.7%, Co：2.6%, S：0.18%, Cr：16.7%, Ba：0.68%, V：0.24%, remaining is Fe；
Wherein, the weight ratio of Nb and C：Nb:C=8.
Wherein, include by the compound form of Nb, Fe and respective element reaction generation：。
Wherein, include by the compound form of Nb, C and respective element reaction generation：NbC.
A kind of processing technology based on the anticorrosive niobium alloy cast steel for promoting yield point：
The first step, will be as follows by each composition by weight percent：Nb：3.6~6.4%, C：0.38~0.84%, Co：2.3~
3.1%, S<0.25%, Cr：15~17%, Ba：0.56~0.77%, V：0.12~0.35%, remaining is Fe, and raw material input turns
Stove carries out the smelting operation of alloy iron liquid；The alloy iron liquid of first step melting is injected into steel ladle, passes through revolution by second step
Alloy iron liquid in steel ladle is injected pans by tower, and metaideophone enters in vibrating crystallizer；Third walks, and waits in vibrating crystallizer
Alloyed iron liquid crystallisation by cooling is transmitted on water cooling conveyer belt and is carried out when the surface temperature of alloy cast steel is reduced to 300~400 DEG C
Water hardening of spraying water operates；The alloy cast steel for completing third step is delivered in electric furnace and carries out melting down heating operation, adds by the 4th step
Hot temperature is 900~1100 DEG C, and heating, which terminates alloy cast steel being delivered in dustless cooling device, carries out air cooling.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention in abrasion-proof steel ball cast steel raw material by being added niobium raw material, and compound shape corresponding with carbon, iron material generation
State, effective crystal grain thinning promote age-hardening, improve the intensity and yield point of alloy cast steel, improve alloy cast steel
High-temperature anticorrosive and capacity antacid reduce the spheroid diameter difference of abrasion-proof steel ball grinding material, reduce the loss of abrasion-proof steel ball, carry
Material grinding efficiency is risen.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Specific embodiment one：
The present invention is a kind of anticorrosive niobium alloy cast steel and its processing technology based on promotion yield point, and one kind is based on promotion surrender
The anticorrosive niobium alloy cast steel of point, including weight percent shared by following raw material and raw material：
Nb：3.6~6.4%, C：0.38~0.84%, Co：2.3~3.1%, S<0.25%, Cr：15~17%, Ba：0.56~
0.77%, V：0.12~0.35%, remaining is Fe；
Wherein, the weight ratio of Nb and C：Nb:C>6.5.
Further, weight percent shared by raw material：
Nb：5.6%, C：0.7%, Co：2.6%, S：0.18%, Cr：16.7%, Ba：0.68%, V：0.24%, remaining is Fe；
Wherein, the weight ratio of Nb and C：Nb:C=8.
Further, include by the compound form of Nb, Fe and respective element reaction generation：.
Further, include by the compound form of Nb, C and respective element reaction generation：NbC.
A kind of processing technology based on the anticorrosive niobium alloy cast steel for promoting yield point：
The first step, will be as follows by each composition by weight percent：Nb：3.6~6.4%, C：0.38~0.84%, Co：2.3~
3.1%, S<0.25%, Cr：15~17%, Ba：0.56~0.77%, V：0.12~0.35%, remaining is Fe, and raw material input turns
Stove carries out the smelting operation of alloy iron liquid；The alloy iron liquid of first step melting is injected into steel ladle, passes through revolution by second step
Alloy iron liquid in steel ladle is injected pans by tower, and metaideophone enters in vibrating crystallizer；Third walks, and waits in vibrating crystallizer
Alloyed iron liquid crystallisation by cooling is transmitted on water cooling conveyer belt and is carried out when the surface temperature of alloy cast steel is reduced to 300~400 DEG C
Water hardening of spraying water operates；The alloy cast steel for completing third step is delivered in electric furnace and carries out melting down heating operation, adds by the 4th step
Hot temperature is 900~1100 DEG C, and heating, which terminates alloy cast steel being delivered in dustless cooling device, carries out air cooling.
Specific embodiment two：
In niobium alloy Technology of Steel Castings, niobium can generate the strong carbide NbC of high degree of dispersion, can effective crystal grain thinning,
Straight heating can still prevent crystal grain from growing up as 1100~1200 DEG C.
Niobium can generate intermetallic compound with Fe* MERGEFORMAT, this compound is pleasant to the ear molten in α iron
Xie Du declines with the rising of temperature, so mild steel containing Nb can promote age-hardening.
Add niobium that the anti-intensity and yield point of mild steel can be improved, while the high-temperature anticorrosive of alloy cast steel and strong also can be improved
Degree, can be improved capacity antacid.
Specific embodiment three：
In identical mineral aggregate, material, for loss situation of traditional abrasion-proof steel ball when carrying out material grinding, with use
Loss situation of the abrasion-proof steel ball for the niobium alloy material that the raw material of the present invention, technique are produced when carrying out material grinding,
Carry out corresponding detection comparison.
Table one：Traditional abrasion-proof steel ball carries out material grinding
| Abrasion-proof steel ball specification/mm | Steel ball radius maximum difference/mm after 30 material grinding operations | Steel ball radius maximum difference/mm after 50 material grinding operations |
| 90 | 0.96 | 1.13 |
| 120 | 1.05 | 1.26 |
| 140 | 1.21 | 1.34 |
Table two：The abrasion-proof steel ball for the niobium alloy material that raw material using the present invention, technique are produced carries out material grinding
| Abrasion-proof steel ball specification/mm | Steel ball radius maximum difference/mm after 30 material grinding operations | Steel ball radius maximum difference/mm after 50 material grinding operations |
| 90 | 0.42 | 0.53 |
| 120 | 0.49 | 0.66 |
| 140 | 0.58 | 0.74 |
From data above comparison it can be found that the niobium alloy material that raw material using the present invention, technique are produced it is wear-resisting
It is inclined significantly less than the radius after material grinding is carried out using traditional abrasion-proof steel ball that steel ball carries out the radial misalignment after material grinding
Difference.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (5)
1. a kind of based on the anticorrosive niobium alloy cast steel for promoting yield point, which is characterized in that including following raw material and raw material institute
Account for weight percent：
Nb：3.6~6.4%, C：0.38~0.84%, Co：2.3~3.1%, S<0.25%, Cr：15~17%, Ba：0.56~
0.77%, V：0.12~0.35%, remaining is Fe；
Wherein, the weight ratio of Nb and C：Nb:C>6.5.
2. according to claim 1 a kind of based on the anticorrosive niobium alloy cast steel for promoting yield point, which is characterized in that raw material
Shared weight percent：
Nb：5.6%, C：0.7%, Co：2.6%, S：0.18%, Cr：16.7%, Ba：0.68%, V：0.24%, remaining is Fe；
Wherein, the weight ratio of Nb and C：Nb:C=8.
3. according to claim 1 a kind of based on the anticorrosive niobium alloy cast steel for promoting yield point, it is characterised in that：
Reacting the compound form generated by Nb, Fe and respective element includes：。
4. according to claim 1 a kind of based on the anticorrosive niobium alloy cast steel for promoting yield point, it is characterised in that：
Reacting the compound form generated by Nb, C and respective element includes：NbC.
5. a kind of processing technology based on the anticorrosive niobium alloy cast steel for promoting yield point, it is characterised in that：
The first step, will be as follows by each composition by weight percent：Nb：3.6~6.4%, C：0.38~0.84%, Co：2.3~
3.1%, S<0.25%, Cr：15~17%, Ba：0.56~0.77%, V：0.12~0.35%, remaining is Fe, and raw material input turns
Stove carries out the smelting operation of alloy iron liquid；
The alloy iron liquid of first step melting is injected into steel ladle by second step, by turret by the alloyed iron in steel ladle
Liquid injects pans, and metaideophone enters in vibrating crystallizer；
Third walks, and waits for the alloyed iron liquid crystallisation by cooling in vibrating crystallizer, when the surface temperature of alloy cast steel is reduced to 300~
It 400 DEG C, is transmitted on water cooling conveyer belt and carries out water spray water hardening operation；
4th step, the alloy cast steel that will complete third step are delivered in electric furnace and melt down heating operation, and heating temperature is 900~
1100 DEG C, heating, which terminates alloy cast steel being delivered in dustless cooling device, carries out air cooling.
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| CN201810207435.1A CN108441785A (en) | 2018-03-14 | 2018-03-14 | A kind of anticorrosive niobium alloy cast steel and its processing technology based on promotion yield point |
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| CN201810207435.1A CN108441785A (en) | 2018-03-14 | 2018-03-14 | A kind of anticorrosive niobium alloy cast steel and its processing technology based on promotion yield point |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103131955A (en) * | 2013-03-01 | 2013-06-05 | 河南理工大学 | Medium carbon multiple elements low alloy wear resisting steel and production method |
| CN103624084A (en) * | 2013-11-20 | 2014-03-12 | 枣庄瑞兴机械制造有限公司 | Resource-saving type high-boron high-speed steel composite roll and manufacturing method thereof |
| CN104451428A (en) * | 2014-12-10 | 2015-03-25 | 上海大学兴化特种不锈钢研究院 | Heat-resistant abrasion-resistant double-phase stainless steel casting alloy material |
| CN105177436A (en) * | 2015-07-31 | 2015-12-23 | 江苏首尔特种合金有限公司 | High-strength, high-tenacity and high-wear-resistance alloy liner plate |
-
2018
- 2018-03-14 CN CN201810207435.1A patent/CN108441785A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103131955A (en) * | 2013-03-01 | 2013-06-05 | 河南理工大学 | Medium carbon multiple elements low alloy wear resisting steel and production method |
| CN103624084A (en) * | 2013-11-20 | 2014-03-12 | 枣庄瑞兴机械制造有限公司 | Resource-saving type high-boron high-speed steel composite roll and manufacturing method thereof |
| CN104451428A (en) * | 2014-12-10 | 2015-03-25 | 上海大学兴化特种不锈钢研究院 | Heat-resistant abrasion-resistant double-phase stainless steel casting alloy material |
| CN105177436A (en) * | 2015-07-31 | 2015-12-23 | 江苏首尔特种合金有限公司 | High-strength, high-tenacity and high-wear-resistance alloy liner plate |
Non-Patent Citations (1)
| Title |
|---|
| 多罗宁，В.М.: "《碳素钢与合金钢的热处理》", 31 July 1965, 中国工业出版社 * |
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Application publication date: 20180824 |