CN106222535A - A kind of high-chromium wear-resistant ball and preparation method thereof - Google Patents
A kind of high-chromium wear-resistant ball and preparation method thereof Download PDFInfo
- Publication number
- CN106222535A CN106222535A CN201610728359.XA CN201610728359A CN106222535A CN 106222535 A CN106222535 A CN 106222535A CN 201610728359 A CN201610728359 A CN 201610728359A CN 106222535 A CN106222535 A CN 106222535A
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- China
- Prior art keywords
- resistant ball
- temperature
- chromium wear
- wear
- chromium
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/10—Cast-iron alloys containing aluminium or silicon
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D5/00—Heat treatments of cast-iron
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/36—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for balls; for rollers
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/06—Cast-iron alloys containing chromium
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses a kind of high-chromium wear-resistant ball and preparation method thereof, each component of wear-resistant ball and percentage by weight thereof be: C:2.50 2.70%, Mn:0.35 0.60%, Cr:18.10 18.50%, Mo:0.02 0.03%, Si :≤1.0%, P :≤0.08%, S :≤0.08%；Surplus is Fe.The present invention provides a kind of high-chromium wear-resistant ball, service life length, hardness is high, wearability is good high chromium casting ball.
Description
Technical field
The present invention relates to high-abrasive material technical field, be specifically related to a kind of high-chromium wear-resistant ball and preparation method thereof.
Background technology
High-abrasive material is the new material that a big class has special electricity, magnetic, light, sound, heat, power, chemistry and biological function,
It is high-tech sector and the important foundation materials of national defense construction such as information technology, biotechnology, energy technology, simultaneously also to transformation
Some conventional industries has a very important role.High-abrasive material is the core of field of new, and the development to new and high technology rises
Important promotion and supporting role, in new material research field, the whole world, high-abrasive material accounts for 85%.Along with information-intensive society
Arriving, special, wear-resistant material plays important promotion and supporting role to the development of new and high technology, is 21st century information, life
The critical material of the high-tech sectors such as thing, the energy, environmental protection, space, becomes the emphasis of countries in the world field of new research and development,
Also it is the focus of Strategic Competition in the high technology development of countries in the world.Existing in Chinese Patent Application No.: public in 201210291075
Having opened the manufacture method of a kind of high carbon and chromium high-manganese alloy cast ball, raw material is steel scrap: bearing leftover pieces: C:0.3-1.0%；Si:
≤ 0.4%；Mn :≤0.3%；Cr:0.5-1.5%；High carbon ferro-chrome: Cr:60%；Si :≤1.5；Fe :≤38%；High carbon ferromanganese:
Mn:58%；S :≤2%；Fe :≤40%.This technical scheme is low for service life, and hardness, wearability are the most not enough.
Summary of the invention
For the deficiencies in the prior art, the present invention provides a kind of high-chromium wear-resistant ball, service life length, hardness is high, wearability
Good high chromium casting ball.
The technical problem to be solved can be to realize by the following technical programs:
A kind of high-chromium wear-resistant ball, each component and percentage by weight thereof be: C:2.50-2.70%, Mn:0.35-0.60%,
Cr:18.10-18.50%, Mo:0.02-0.03%, Si :≤1.0%, P :≤0.08%, S :≤0.08%；Surplus is Fe.
Described C:2.50%, Mn:0.35%, Cr:18.10%, Mo:0.02%, Si:0.5%, P :≤0.08%, S:
≤ 0.08%.
Described C:2.70%, Mn:0.60%, Cr:18.50%, Mo:0.03%, Si:1.0%, P :≤0.08%, S:
≤ 0.08%.
Described C:2.6%, Mn:0.45%, Cr:18.30%, Mo:0.025%, Si:0.8%, P :≤0.08%, S:
≤ 0.08%.
The preparation method of high-chromium wear-resistant ball, (1) electric furnace list opens, and swage produces, and uses high-quality wood shavings type steel scrap to produce melting；
(2) tapping temperature 1580 DEG C-1600 DEG C, pouring temperature 1450 DEG C-1480 DEG C；
(3) deoxidized aluminium addition is the 0.03% of molten iron total amount, poly-, slag skimming process；
(4) detection product appearance is not allow for the casting flaws such as serious high stake, high temperature pore, cinder hole, overlap；
(5) heat treatment.
Described heat treatment be linked back by even quenching heat-treatment production line perform heat treatment, heat-treatment quenching high temperature section temperature control
At 1050 DEG C, product quenches into oil temperature 100 DEG C-110 DEG C；Temperature: 280 DEG C.
Compared with prior art, the invention have the benefit that
Invention hardness is high, and HRC is 65 70, impact value >=2.9J/cm2, and ball falling impact fatigue life >=
12000 times, core hardness is basically identical with case hardness, and service life is long, and wearability is good, low cost；The actual ball of wear-resistant ball consumes
Be 214.1 grams ton ore deposit；Wear-resistant ball uses 500 hours or ore grinding cumulative amount reaches 50,000 ton hour detections, and chip index is less than 1%, loses
Circle rate is less than 1%
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is the present invention one
Divide embodiment rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making
The every other embodiment obtained under creative work premise, broadly falls into the scope of protection of the invention.
A kind of high-chromium wear-resistant ball, each component and percentage by weight thereof be: C:2.50-2.70%, Mn:0.35-0.60%,
Cr:18.10-18.50%, Mo:0.02-0.03%, Si :≤1.0%, P :≤0.08%, S :≤0.08%；Surplus is Fe.
The preparation method of high-chromium wear-resistant ball, (1) electric furnace list opens, and swage produces, and uses high-quality wood shavings type steel scrap to produce melting；
(2) tapping temperature 1580 DEG C-1600 DEG C, pouring temperature 1450 DEG C-1480 DEG C；
(3) deoxidized aluminium addition is the 0.03% of molten iron total amount, poly-, slag skimming process；
(4) detection product appearance is not allow for the casting flaws such as serious high stake, high temperature pore, cinder hole, overlap；
(5) heat treatment.
Described heat treatment be linked back by even quenching heat-treatment production line perform heat treatment, heat-treatment quenching high temperature section temperature control
At 1050 DEG C, product quenches into oil temperature 100 DEG C-110 DEG C；Temperature: 280 DEG C.
Invention hardness is high, and HRC is 65 70, impact value >=2.9J/cm2, and ball falling impact fatigue life >=
12000 times, core hardness is basically identical with case hardness, and service life is long, and wearability is good, low cost；The actual ball of wear-resistant ball consumes
Be 214.1 grams ton ore deposit；Wear-resistant ball uses 500 hours or ore grinding cumulative amount reaches 50,000 ton hour detections, and chip index is less than 1%, loses
Circle rate is less than 1%
It should be noted that in this article, such as term " includes ", " comprising " or its any other variant are intended to
Comprising of nonexcludability, so that include that the process of a series of key element, method, article or equipment not only include that those are wanted
Element, but also include other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the case of there is no more restriction, statement " including ... " key element limited, it is not excluded that
Including process, method, article or the equipment of described key element there is also other identical element.
Above example only in order to technical scheme to be described, is not intended to limit；Although with reference to previous embodiment
The present invention is described in detail, it will be understood by those within the art that: it still can be to aforementioned each enforcement
Technical scheme described in example is modified, or wherein portion of techniques feature is carried out equivalent；And these amendment or
Replace, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (6)
1. a high-chromium wear-resistant ball, it is characterised in that: each component and percentage by weight thereof be: C:2.50-2.70%, Mn:0.35-
0.60%, Cr:18.10-18.50%, Mo:0.02-0.03%, Si :≤1.0%, P :≤0.08%, S :≤0.08%；Surplus
For Fe.
2. high-chromium wear-resistant ball as claimed in claim 1, it is characterised in that described C:2.50%, Mn:0.35%, Cr:
18.10%, Mo:0.02%, Si:0.5%, P :≤0.08%, S :≤0.08%.
3. high-chromium wear-resistant ball as claimed in claim 1, it is characterised in that described C:2.70%, Mn:0.60%, Cr:
18.50%, Mo:0.03%, Si:1.0%, P :≤0.08%, S :≤0.08%.
4. high-chromium wear-resistant ball as claimed in claim 1, it is characterised in that described C:2.6%, Mn:0.45%, Cr:
18.30%, Mo:0.025%, Si:0.8%, P :≤0.08%, S :≤0.08%.
5. the preparation method of high-chromium wear-resistant ball as claimed in claim 1, it is characterised in that
(1) electric furnace list leaves, and swage produces, and uses high-quality wood shavings type steel scrap to produce melting；
(2) tapping temperature 1580 DEG C-1600 DEG C, pouring temperature 1450 DEG C-1480 DEG C；
(3) deoxidized aluminium addition is the 0.03% of molten iron total amount, poly-, slag skimming process；
(4) detection product appearance is not allow for the casting flaws such as serious high stake, high temperature pore, cinder hole, overlap；
(5) heat treatment.
6. the preparation method of high-chromium wear-resistant ball as claimed in claim 1, it is characterised in that described heat treatment is linked back by even quenching
Heat-treatment production line performs heat treatment, and heat-treatment quenching high temperature section temperature controls at 1050 DEG C, and product quenches into oil temperature 100
℃-110℃；Temperature: 280 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610728359.XA CN106222535A (en) | 2016-08-25 | 2016-08-25 | A kind of high-chromium wear-resistant ball and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610728359.XA CN106222535A (en) | 2016-08-25 | 2016-08-25 | A kind of high-chromium wear-resistant ball and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106222535A true CN106222535A (en) | 2016-12-14 |
Family
ID=57555318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610728359.XA Pending CN106222535A (en) | 2016-08-25 | 2016-08-25 | A kind of high-chromium wear-resistant ball and preparation method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU494427A1 (en) * | 1974-05-16 | 1975-12-05 | Институт Проблем Литья Ан Украинской Сср | Cast iron |
| DE2413521A1 (en) * | 1974-03-21 | 1976-01-15 | Wahl Verschleiss Tech | Perforated sieve plates with high wear resistance - obtd by making the plates from ledeburitic chromium steel |
| JPS5159007A (en) * | 1974-11-21 | 1976-05-22 | Komatsu Mfg Co Ltd | TAISHOKUTAIMA MOSEI HAKUSEN CHUTETSU |
| CN1053267A (en) * | 1991-01-16 | 1991-07-24 | 河北工学院 | Casting-state troostite grinding ball |
| CN103981426A (en) * | 2014-05-07 | 2014-08-13 | 中建材宁国新马耐磨材料有限公司 | High-chromium alloy cast ball |
| CN103981429A (en) * | 2014-05-07 | 2014-08-13 | 中建材宁国新马耐磨材料有限公司 | High-chromium wear resistant lining board and making method thereof |
| CN105369160A (en) * | 2015-10-19 | 2016-03-02 | 安徽瑞泰新材料科技有限公司 | High-chromium abrasion-resistant ball special for diaspore and preparation method of high-chromium abrasion-resistant ball |
-
2016
- 2016-08-25 CN CN201610728359.XA patent/CN106222535A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2413521A1 (en) * | 1974-03-21 | 1976-01-15 | Wahl Verschleiss Tech | Perforated sieve plates with high wear resistance - obtd by making the plates from ledeburitic chromium steel |
| SU494427A1 (en) * | 1974-05-16 | 1975-12-05 | Институт Проблем Литья Ан Украинской Сср | Cast iron |
| JPS5159007A (en) * | 1974-11-21 | 1976-05-22 | Komatsu Mfg Co Ltd | TAISHOKUTAIMA MOSEI HAKUSEN CHUTETSU |
| CN1053267A (en) * | 1991-01-16 | 1991-07-24 | 河北工学院 | Casting-state troostite grinding ball |
| CN103981426A (en) * | 2014-05-07 | 2014-08-13 | 中建材宁国新马耐磨材料有限公司 | High-chromium alloy cast ball |
| CN103981429A (en) * | 2014-05-07 | 2014-08-13 | 中建材宁国新马耐磨材料有限公司 | High-chromium wear resistant lining board and making method thereof |
| CN105369160A (en) * | 2015-10-19 | 2016-03-02 | 安徽瑞泰新材料科技有限公司 | High-chromium abrasion-resistant ball special for diaspore and preparation method of high-chromium abrasion-resistant ball |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20161214 |