CN107815585A - A kind of special low copper high-ductility abrasive resistant casting ball of alumina powder and its production method - Google Patents
A kind of special low copper high-ductility abrasive resistant casting ball of alumina powder and its production method Download PDFInfo
- Publication number
- CN107815585A CN107815585A CN201710969335.8A CN201710969335A CN107815585A CN 107815585 A CN107815585 A CN 107815585A CN 201710969335 A CN201710969335 A CN 201710969335A CN 107815585 A CN107815585 A CN 107815585A
- Authority
- CN
- China
- Prior art keywords
- ductility
- alumina powder
- agent
- secondary metamorphic
- special low
- 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.)
- Pending
Links
Classifications
-
- 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
- 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
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
- C22C33/06—Making ferrous alloys by melting using master alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/08—Making cast-iron alloys
- C22C33/10—Making cast-iron alloys including procedures for adding magnesium
-
- 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
-
- 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
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- 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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- 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
- C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
-
- 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
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
-
- 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
- C22C38/36—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.7% by weight of carbon
-
- 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
Abstract
The invention discloses a kind of special low copper high-ductility abrasive resistant casting ball of alumina powder and its production method, by weight percentage containing following chemical composition：C 2.0 3.1%, Si 0.8 1.5%, Mn 0.4 1.0%, Cr 18.0 20.0%, S 0 0.06%, P 0 0.06%, Mo 0.05 1.0%, Cu 0 0.1%, Fe surpluses.The special low copper high-ductility abrasive resistant casting ball of alumina powder and its production method of the present invention, by optimizing composition design, secondary metamorphic processing and multi-temperature zone quenching technical, improve product hardness, reduce product abrasion and percentage of damage, the cast ball of production has the advantages of hardness is high, abrasion are low, good corrosion resistance, good toughness.
Description
Technical field
The present invention relates to cast ball technical field, more particularly to a kind of special low copper high-ductility abrasive resistant casting ball of alumina powder and its life
Production method.
Background technology
Abrasion is one of principal mode of workpiece failure, and abrasion causes a large amount of consumption of the energy and steel raw material.Mill
Ball is the conventional medium of milling of alumina industry, and in grinding operation prepared by raw material, abrading-ball consumption is most important index.With
The raising of aluminum oxide technology technique and energy-conserving and environment-protective requirement, the abrading-ball processed using traditional handicraft, its performance can not meet
The requirement of aluminum oxide grinding machine so that grinding efficiency is poor, it is clear, mend, match somebody with somebody, the plan of ball is difficult to ensure that, also cause grinding machine equipment maintenance,
Maintenance workload increase, dielectric dissipation increase, cost increase of milling.This not only consumes the resources such as substantial amounts of steel, ferrochrome, increase
Electric power energy consumes, and reduces the production efficiency of ball mill.Therefore, constantly research to improve the performance of abrading-ball, reduces it
Specific loss has great economic implications.According to incomplete statistics, China's alumina industry year 100000 tons of consumption abrading-ball amount with
On, external annual about 200,000 tons of the abrading-ball demand of aluminium industry, its market is quite varied.The special low wear-resistant casting of copper high-ductility of alumina powder
Ball research project, by with very strong application or industrialization prospect.The aluminum oxide produced using the inventive method is there are no at present
The report of the special low copper high-ductility abrasive resistant casting ball of powder.
The content of the invention
The purpose of the present invention is overcome the deficiencies in the prior art, and section performance is ground with all kinds of cast balls for existing alumina industry
Not good enough, the problem of abrasion are higher, there is provided a kind of special low copper high-ductility abrasive resistant casting ball of alumina powder and its production method, pass through optimization
Composition design, secondary metamorphic processing and multi-temperature zone quenching technical, improve product hardness, reduce product abrasion and percentage of damage, it is raw
The cast ball of production has the advantages of hardness is high, abrasion are low, good corrosion resistance, good toughness.
To achieve these goals, the present invention adopts the following technical scheme that：
A kind of special low copper high-ductility abrasive resistant casting ball of alumina powder, by weight percentage containing following chemical composition：C2.0-
3.1%, Si 0.8-1.5%, Mn 0.4-1.0%, Cr 18.0-20.0%, S 0-0.06%, P 0-0.06%, Mo 0.05-
1.0%, Cu 0-0.1%, Fe surplus.
The production method of the special low copper high-ductility abrasive resistant casting ball of described alumina powder, comprises the following steps：
(1) dispensing：Composition detection is carried out to steel, it is major ingredient to choose the qualified steel of C, P, S content, then ratio on request
Ferrosilicon, ferromanganese, ferrochrome and molybdenum-iron are added, carries out dispensing；
(2) melting：The raw material prepared is inserted into medium frequency induction melting furnace and carries out heating melting, when molten iron temperature reaches
At 1450-1480 DEG C, sampling carries out chemical composition analysis, and is finely tuned by line feeding to control the percentage by weight of each composition, when
When temperature reaches 1520-1540 DEG C, precipitation desoxydation and final deoxidizing are carried out successively；
(3) molten steel by step (2) deoxidation is cooled to 1480-1500 DEG C, and collection slag agent is sprinkled into smelting furnace and scratches clean stove
After interior slag, weight continues melting 3-5 minutes, completed than adding the ferro-boron, the ferrotianium that were toasted through 200 DEG C as described in claim 1
A Metamorphism treatment, comes out of the stove after final deoxidizing in stove；
(4) secondary metamorphic is handled；By weight percentage by industrial potassium nitrate 10%, the rare-earth silicon alloy through 150 DEG C of bakings
85%th, magnesium-rare earth 5% is well mixed is configured to secondary metamorphic agent；Then with the secondary metamorphic agent prepared to through once becoming
Molten iron after matter processing carries out secondary metamorphic processing with pouring method in wrapping, and the weight ratio of the secondary metamorphic agent and molten iron is 0.3-
0.5：100；
(5) pour into a mould：Collection slag agent is added into the molten iron handled through secondary metamorphic and scratches clean the bits in bag, is then sprinkled into again
One layer of collection slag agent, is poured into a mould after being cooled to 1460-1480 DEG C, obtains casting；
(6) it is heat-treated：Casting is warming up to 980-1000 DEG C, carries out high temperature quenching, the quenching oil temperature of oil quenching processing is
80-120 DEG C, then it is tempered at 230-280 DEG C, wherein, the soaking time of the high temperature quenching is small per the insulation 1 of 25mm wall thickness
When, the soaking time of the tempering is to be incubated 1.5-2 hours per 25mm wall thickness, obtains finished product.
Product the key technical indexes of the present invention reaches：Hardness HRC >=59, impact value ak >=6.0J/cm2, ball falling impact is tired
Labor life-span (number) >=16000, percentage of damage ＜ 0.5%.By in alumina balls grinding machine comparative test, product abrasion ＜
330g/t raw ores, similar high-Cr grinding balls abrasion >=390/t raw ores, the product abrasion reduce by more than 17%.
Compared with the prior art, beneficial effects of the present invention are as follows：
(1) the special low copper high-ductility abrasive resistant casting ball of alumina powder of the invention and its production method, by optimizing composition design
And control, control Cr, C content simultaneously suitably match (Cr/C >=6), can obtain the M7C3 type eutectic carbides of enough amounts, M7C3's
Hardness isolates distribution, in nodular and chrysanthemum shape and vermiform, work is isolated to matrix up to 1200~1800HV hexagonal crystal systems
With smaller, be advantageous to improve toughness and wearability；It is appropriate to increase Si contents by controlling Cu contents, improve molten steel flow, profit
In deoxidation, improve eutectic carbide shape, increase eutectic carbide quantity, strengthen matrix, improve corrosion resistance；
(2) the special low copper high-ductility abrasive resistant casting ball of alumina powder of the invention and its production method, go bad by using titanium boron
+ Metamorphism treatment is once bred in agent (Ti/B 3/1), crystal grain thinning, improves quenching degree；Using rare earth alloy alterant
(85% rare earth silicon, 5% rare earth magnesium and 10% industrial potassium nitrate) carries out secondary metamorphic processing, improves eutectic carbide form
And distribution, improve toughness.
(3) the special low copper high-ductility abrasive resistant casting ball of alumina powder of the invention and its production method, quench by using multi-temperature zone
Ignition technique, (austenitizing processing is warming up to 990 ± 10 DEG C in four stages, and the quenching oil temperature of oil quenching processing is 80-120 DEG C, low
Warm 230-280 DEG C of temperature), each warm area temperature and time, quenching oil temperature are accurately controlled, homogeneous heating, stress is reduced, has
Imitate Crack prevention to extend along eutectic carbide carbide, reduce eutectic carbide and fracture, peel off probability.
Embodiment
The present invention is further illustrated with reference to embodiments, but the present invention is not limited only to these embodiments, not
On the premise of departing from present inventive concept, any improvement made is within the scope of the present invention.
Embodiment 1：
A kind of special low copper high-ductility abrasive resistant casting ball of alumina powder, by weight percentage containing following chemical composition：C2.0%,
Si 0.8%, Mn 1.0%, Cr 18.0%, S 0-0.06%, P 0-0.06%, Mo 0.05%, Cu 0.1%, Fe surpluses.
The production method of the special low copper high-ductility abrasive resistant casting ball of described alumina powder, comprises the following steps：
(1) dispensing：Composition detection is carried out to steel, it is major ingredient to choose the qualified steel of C, P, S content, then ratio on request
Ferrosilicon, ferromanganese, ferrochrome and molybdenum-iron are added, carries out dispensing；
(2) melting：The raw material prepared is inserted into medium frequency induction melting furnace and carries out heating melting, when molten iron temperature reaches 1450
DEG C when, sampling carries out chemical composition analysis, and is finely tuned by line feeding to control the percentage by weight of each composition, when temperature reaches
At 1520 DEG C, precipitation desoxydation and final deoxidizing are carried out successively；
(3) molten steel by step (2) deoxidation is cooled to 1480 DEG C, and collection slag agent is sprinkled into smelting furnace and scratches clean slag in stove
Afterwards, weight than adding the ferro-boron, the ferrotianium that were toasted through 200 DEG C, continues melting 3 minutes, completed one in stove as described in claim 1
Secondary Metamorphism treatment, comes out of the stove after final deoxidizing；
(4) secondary metamorphic is handled；By weight percentage by industrial potassium nitrate 10%, the rare-earth silicon alloy through 150 DEG C of bakings
85%th, magnesium-rare earth 5% is well mixed is configured to secondary metamorphic agent；Then with the secondary metamorphic agent prepared to through once becoming
Molten iron after matter processing carries out secondary metamorphic processing with pouring method in bag, and the weight ratio of the secondary metamorphic agent and molten iron is 0.3：
100；
(5) pour into a mould：Collection slag agent is added into the molten iron handled through secondary metamorphic and scratches clean the bits in bag, is then sprinkled into again
One layer of collection slag agent, is poured into a mould after being cooled to 1460 DEG C, obtains casting；
(6) it is heat-treated：Casting is warming up to 980 DEG C, carries out high temperature quenching, the quenching oil temperature of oil quenching processing is 80 DEG C,
Then it is tempered at 230 DEG C, wherein, the soaking time of the high temperature quenching is to be incubated 1 hour per 25mm wall thickness, the tempering
Soaking time is to be incubated 1.5 hours per 25mm wall thickness, obtains finished product.
Embodiment 2：
A kind of special low copper high-ductility abrasive resistant casting ball of alumina powder, by weight percentage containing following chemical composition：C2.5%,
Si 1.0%, Mn 0.6%, Cr 20.0%, S 0-0.06%, P 0-0.06%, Mo 0.08%, Cu 0.05%, Fe surpluses.
The production method of the special low copper high-ductility abrasive resistant casting ball of described alumina powder, comprises the following steps：
(1) dispensing：Composition detection is carried out to steel, it is major ingredient to choose the qualified steel of C, P, S content, then ratio on request
Ferrosilicon, ferromanganese, ferrochrome and molybdenum-iron are added, carries out dispensing；
(2) melting：The raw material prepared is inserted into medium frequency induction melting furnace and carries out heating melting, when molten iron temperature reaches 1465
DEG C when, sampling carries out chemical composition analysis, and is finely tuned by line feeding to control the percentage by weight of each composition, when temperature reaches
At 1530 DEG C, precipitation desoxydation and final deoxidizing are carried out successively；
(3) molten steel by step (2) deoxidation is cooled to 1490 DEG C, and collection slag agent is sprinkled into smelting furnace and scratches clean slag in stove
Afterwards, weight than adding the ferro-boron, the ferrotianium that were toasted through 200 DEG C, continues melting 4 minutes, completed one in stove as described in claim 1
Secondary Metamorphism treatment, comes out of the stove after final deoxidizing；
(4) secondary metamorphic is handled；By weight percentage by industrial potassium nitrate 10%, the rare-earth silicon alloy through 150 DEG C of bakings
85%th, magnesium-rare earth 5% is well mixed is configured to secondary metamorphic agent；Then with the secondary metamorphic agent prepared to through once becoming
Molten iron after matter processing carries out secondary metamorphic processing with pouring method in bag, and the weight ratio of the secondary metamorphic agent and molten iron is 0.4：
100；
(5) pour into a mould：Collection slag agent is added into the molten iron handled through secondary metamorphic and scratches clean the bits in bag, is then sprinkled into again
One layer of collection slag agent, is poured into a mould after being cooled to 1470 DEG C, obtains casting；
(6) it is heat-treated：Casting is warming up to 990 DEG C, carries out high temperature quenching, the quenching oil temperature of oil quenching processing is 100 DEG C,
Then it is tempered at 250 DEG C, wherein, the soaking time of the high temperature quenching is to be incubated 1 hour per 25mm wall thickness, the tempering
Soaking time is to be incubated 1.8 hours per 25mm wall thickness, obtains finished product.
Embodiment 3：
A kind of special low copper high-ductility abrasive resistant casting ball of alumina powder, by weight percentage containing following chemical composition：C3.1%,
Si 1.5%, Mn 1.0%, Cr 20.0%, S 0-0.06%, P 0-0.06%, Mo 1.0%, Cu 0.1%, Fe surpluses.
The production method of the special low copper high-ductility abrasive resistant casting ball of described alumina powder, comprises the following steps：
(1) dispensing：Composition detection is carried out to steel, it is major ingredient to choose the qualified steel of C, P, S content, then ratio on request
Ferrosilicon, ferromanganese, ferrochrome and molybdenum-iron are added, carries out dispensing；
(2) melting：The raw material prepared is inserted into medium frequency induction melting furnace and carries out heating melting, when molten iron temperature reaches 1480
DEG C when, sampling carries out chemical composition analysis, and is finely tuned by line feeding to control the percentage by weight of each composition, when temperature reaches
At 1540 DEG C, precipitation desoxydation and final deoxidizing are carried out successively；
(3) molten steel by step (2) deoxidation is cooled to 1500 DEG C, and collection slag agent is sprinkled into smelting furnace and scratches clean slag in stove
Afterwards, weight than adding the ferro-boron, the ferrotianium that were toasted through 200 DEG C, continues melting 5 minutes, completed one in stove as described in claim 1
Secondary Metamorphism treatment, comes out of the stove after final deoxidizing；
(4) secondary metamorphic is handled；By weight percentage by industrial potassium nitrate 10%, the rare-earth silicon alloy through 150 DEG C of bakings
85%th, magnesium-rare earth 5% is well mixed is configured to secondary metamorphic agent；Then with the secondary metamorphic agent prepared to through once becoming
Molten iron after matter processing carries out secondary metamorphic processing with pouring method in bag, and the weight ratio of the secondary metamorphic agent and molten iron is 0.5：
100；
(5) pour into a mould：Collection slag agent is added into the molten iron handled through secondary metamorphic and scratches clean the bits in bag, is then sprinkled into again
One layer of collection slag agent, is poured into a mould after being cooled to 1480 DEG C, obtains casting；
(6) it is heat-treated：Casting is warming up to 1000 DEG C, carries out high temperature quenching, the quenching oil temperature of oil quenching processing is 120
DEG C, then it is tempered at 280 DEG C, wherein, the soaking time of the high temperature quenching is to be incubated 1 hour, described time per 25mm wall thickness
The soaking time of fire is to be incubated 2 hours per 25mm wall thickness, obtains finished product.
Claims (2)
- A kind of 1. special low copper high-ductility abrasive resistant casting ball of alumina powder, it is characterised in that：By weight percentage containing it is following chemistry into Point：C 2.0-3.1%, Si 0.8-1.5%, Mn 0.4-1.0%, Cr 18.0-20.0%, S 0-0.06%, P 0- 0.06%, Mo 0.05-1.0%, Cu 0-0.1%, Fe surplus.
- A kind of 2. production method of the special low copper high-ductility abrasive resistant casting ball of alumina powder as claimed in claim 1, it is characterised in that： Comprise the following steps：(1) dispensing：Composition detection is carried out to steel, it is major ingredient to choose the qualified steel of C, P, S content, then ratio adds on request Ferrosilicon, ferromanganese, ferrochrome and molybdenum-iron, carry out dispensing；(2) melting：The raw material prepared is inserted into medium frequency induction melting furnace and carries out heating melting, when molten iron temperature reaches 1450- At 1480 DEG C, sampling carries out chemical composition analysis, and is finely tuned by line feeding to control the percentage by weight of each composition, when temperature reaches During to 1520-1540 DEG C, precipitation desoxydation and final deoxidizing are carried out successively；(3) molten steel by step (2) deoxidation is cooled to 1480-1500 DEG C, and collection slag agent is sprinkled into smelting furnace and scratches clean slag in stove Afterwards, weight than adding the ferro-boron, the ferrotianium that were toasted through 200 DEG C, continues melting 3-5 minutes, completed in stove as described in claim 1 Metamorphism treatment, comes out of the stove after final deoxidizing；(4) secondary metamorphic is handled；By weight percentage by industrial potassium nitrate 10%, through 150 DEG C baking rare-earth silicon alloy 85%, Magnesium-rare earth 5% is well mixed to be configured to secondary metamorphic agent；Then with the secondary metamorphic agent prepared to through the place that once goes bad Molten iron after reason carries out secondary metamorphic processing with pouring method in bag, and the weight ratio of the secondary metamorphic agent and molten iron is 0.3-0.5： 100；(5) pour into a mould：Collection slag agent is added into the molten iron handled through secondary metamorphic and scratches clean the bits in bag, is then sprinkled into one layer again Collect slag agent, poured into a mould after being cooled to 1460-1480 DEG C, obtain casting；(6) it is heat-treated：Casting is warming up to 980-1000 DEG C, carries out high temperature quenching, the quenching oil temperature of oil quenching processing is 80- 120 DEG C, then it is tempered at 230-280 DEG C, wherein, the soaking time of the high temperature quenching is to be incubated 1 hour per 25mm wall thickness, The soaking time of the tempering is to be incubated 1.5-2 hours per 25mm wall thickness, obtains finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710969335.8A CN107815585A (en) | 2017-10-18 | 2017-10-18 | A kind of special low copper high-ductility abrasive resistant casting ball of alumina powder and its production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710969335.8A CN107815585A (en) | 2017-10-18 | 2017-10-18 | A kind of special low copper high-ductility abrasive resistant casting ball of alumina powder and its production method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107815585A true CN107815585A (en) | 2018-03-20 |
Family
ID=61608143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710969335.8A Pending CN107815585A (en) | 2017-10-18 | 2017-10-18 | A kind of special low copper high-ductility abrasive resistant casting ball of alumina powder and its production method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107815585A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108796390A (en) * | 2018-06-29 | 2018-11-13 | 中山市恒翔不锈钢丸有限公司 | A kind of new grinding-material of the alloy of high rigidity and its manufacturing process |
| CN109576597A (en) * | 2018-11-20 | 2019-04-05 | 湘潭大学 | Ferrous alloy and preparation method thereof, outer tube and internal heater |
| CN113755742A (en) * | 2021-08-05 | 2021-12-07 | 宁国东方碾磨材料股份有限公司 | High-hardness chromium alloy cast ball |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038844A (en) * | 1989-04-17 | 1990-01-17 | 丰润县合金铸件厂 | HI-chrome cast iron for grinding balls |
| CN1054100A (en) * | 1991-03-10 | 1991-08-28 | 朴铁军 | The new high chromium cast iron manufacture method that is used for highly abrasive parts using |
| CN103667866A (en) * | 2013-11-16 | 2014-03-26 | 宁国市开源电力耐磨材料有限公司 | Special high-chromium grinding ball for mining and secondary modification processing technique thereof |
| CN103667865A (en) * | 2013-11-16 | 2014-03-26 | 宁国市开源电力耐磨材料有限公司 | Ultrahigh-wear-resistance high-chromium multi-alloy grinding ball and composite modification processing technique thereof |
| CN105177404A (en) * | 2015-09-10 | 2015-12-23 | 宁国市开源电力耐磨材料有限公司 | High anti-wear micro-copper alloy cast ball and processing technique thereof |
-
2017
- 2017-10-18 CN CN201710969335.8A patent/CN107815585A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038844A (en) * | 1989-04-17 | 1990-01-17 | 丰润县合金铸件厂 | HI-chrome cast iron for grinding balls |
| CN1054100A (en) * | 1991-03-10 | 1991-08-28 | 朴铁军 | The new high chromium cast iron manufacture method that is used for highly abrasive parts using |
| CN103667866A (en) * | 2013-11-16 | 2014-03-26 | 宁国市开源电力耐磨材料有限公司 | Special high-chromium grinding ball for mining and secondary modification processing technique thereof |
| CN103667865A (en) * | 2013-11-16 | 2014-03-26 | 宁国市开源电力耐磨材料有限公司 | Ultrahigh-wear-resistance high-chromium multi-alloy grinding ball and composite modification processing technique thereof |
| CN105177404A (en) * | 2015-09-10 | 2015-12-23 | 宁国市开源电力耐磨材料有限公司 | High anti-wear micro-copper alloy cast ball and processing technique thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108796390A (en) * | 2018-06-29 | 2018-11-13 | 中山市恒翔不锈钢丸有限公司 | A kind of new grinding-material of the alloy of high rigidity and its manufacturing process |
| CN109576597A (en) * | 2018-11-20 | 2019-04-05 | 湘潭大学 | Ferrous alloy and preparation method thereof, outer tube and internal heater |
| CN113755742A (en) * | 2021-08-05 | 2021-12-07 | 宁国东方碾磨材料股份有限公司 | High-hardness chromium alloy cast ball |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103014550B (en) | High chromium multielement alloy wear resisting ball and manufacturing method thereof | |
| CN101537427B (en) | Composite roll for centrifugally casting high-chromium cast iron and a preparation method thereof | |
| CN101736200B (en) | High-carbon steel multi-alloy wear-resisting ball and production method thereof | |
| CN102443741B (en) | Manufacturing method for steel ball for ball mill | |
| CN102367558B (en) | A kind of pump boric low alloy wear resistant steel | |
| CN101173343A (en) | High-strength abrasion-proof cast steel lining board and manufacturing method thereof | |
| CN102242314A (en) | Multiple alloy toughened and wear-resistant middle-manganese steel and preparation technology thereof | |
| CN102330014A (en) | Abrasion-resistant cast iron material | |
| CN103060667A (en) | Super-hard middle-chrome cast grinding ball and production process thereof | |
| CN102107215A (en) | Resource-saving boron-containing high-speed steel composite roll and preparation method thereof | |
| CN102534356A (en) | Wear-resistant white cast iron material and preparation method thereof | |
| CN112593157A (en) | High-toughness bainite wear-resistant cast steel and preparation method and application thereof | |
| CN107815585A (en) | A kind of special low copper high-ductility abrasive resistant casting ball of alumina powder and its production method | |
| CN104911504A (en) | High-strength high-wear-resistance steel casting for super-huge type crusher and production process of steel casting | |
| CN106834888A (en) | A kind of high-strength abrasion-proof cast steel lining board and preparation method thereof | |
| CN104087874A (en) | High-speed steel roll and preparation method thereof | |
| CN103014480A (en) | Multielement microalloy low chromium white iron grinding ball and manufacturing method thereof | |
| CN104911494B (en) | Boron-contained wear-resisting steel casting material and preparation method thereof | |
| CN114231856B (en) | Micron carbide reinforced low-density wear-resistant steel and preparation method and application thereof | |
| CN101463450A (en) | Multicomponent microalloy metal mold casting grinding ball and production method thereof | |
| CN108070780A (en) | A kind of pearlite chrome-moly steel and its heat treatment method | |
| CN104593663B (en) | A kind of wear-resistant white cast iron and preparation method thereof | |
| CN113897541A (en) | High-chromium wear-resistant steel ball and casting process thereof | |
| CN108546883B (en) | Low-cost high-toughness heterogeneous alloy wear-resistant hammer head and manufacturing method thereof | |
| CN105112766A (en) | Wear-resistant high-toughness high chromium and manganese cast iron jaw plate used for jaw crusher and preparation method of wear-resistant high-toughness high chromium and manganese cast iron jaw plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180320 |
|
| RJ01 | Rejection of invention patent application after publication |