CN106167878A - A kind of bearing round steel and preparation method thereof - Google Patents
A kind of bearing round steel and preparation method thereof Download PDFInfo
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- CN106167878A CN106167878A CN201610777079.8A CN201610777079A CN106167878A CN 106167878 A CN106167878 A CN 106167878A CN 201610777079 A CN201610777079 A CN 201610777079A CN 106167878 A CN106167878 A CN 106167878A
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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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/006—Making ferrous alloys compositions used for making ferrous alloys
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- 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
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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
-
- 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
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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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- 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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- 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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- 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
- C22C38/16—Ferrous alloys, e.g. steel alloys containing 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
-
- 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 present invention provides a kind of bearing round steel, including following component: 3.5 4.5 parts of carbon, silicon dioxide 8 10 parts, niobium 1.1 1.7 parts, violent 0.7 1.1 parts, copper-aluminium alloy powder 3.8 4.8 parts, 0.45 0.65 parts of phosphorus, sulfur 0.14 0.2 parts, 3.5 5.5 parts of high ferrochrome, 1.3 2.5 parts of nickel, titanium 1.2 1.9 parts, 0.25 0.45 parts of magnesium, steel scrap 5 10 parts, remaining be ferrum oxide.This bearing round steel and preparation method thereof, there is high strong hardness, and abrasion resistant effect is the best, metallurgical effect when preparing bearing round steel is good, the service efficiency making bearing is higher, and more smooth and easy rotating when, decrease the secondary oxidation in casting process, and make steel inclusion sufficiently be floated and absorb.
Description
Technical field
The present invention relates to bearing round steel preparing technical field, particularly relate to a kind of bearing round steel and preparation method thereof.
Background technology
Bearing round steel is the ball for manufacturing rolling bearing, and the steel grade of roller and sleeve etc. belongs to excellent special steel, it is also possible to
In making fine measuring instrument, cold-punching mould, machine tool lead screw and the precision pair of jerk pump.Bearing round steel is except doing ball, bearing holder (housing, cover)
Outside circle etc., the most also it is used for manufacturing instrument, such as punch die, measurer, screw tap etc..
At present, need when bearing working to subject great pressure and frictional force, it requires that bearing round steel has higher
Hardness and wearability, and high elastic limit, and to be more strict with in manufacture method, pass through bearing existing
Although the bearing that round steel is made can play resistance to compression and wear-resisting effect, but resistance to compression and wear-resisting time are short, for a long time
The rolling number of times increase that the outer shaft of the rear bearing of use there will be in deformation, and bearing on axle through ball can make interior axle become
Thin, reduce the service life of bearing, need replacing frequent to bearing, and deposit in the method used preparing bearing round steel
In bigger defect, the effect that impact is smelted, and during direct casting, there will be secondary oxidation, cause the bearing made
The situation that round steel quality is relatively low.
Summary of the invention
The technical problem existed based on background technology, the present invention proposes a kind of bearing round steel and preparation method thereof, tool
Having high strong hardness, and abrasion resistant effect is the best, the metallurgical effect when preparing bearing round steel is good, decreases in casting process
Secondary oxidation, and make steel inclusion sufficiently be floated and absorb.
The present invention provides following technical scheme: a kind of bearing round steel, including following component:
Carbon 3.5-4.5 part, silicon dioxide 8-10 part, niobium 1.1-1.7 part, violent 0.7-1.1 part, copper-aluminium alloy powder 3.8-4.8
Part, phosphorus 0.45-0.65 part, sulfur 0.14-0.2 part, high ferrochrome 3.5-5.5 part, nickel 1.3-2.5 part, titanium 1.2-1.9 part, magnesium 0.25-
0.45 part, steel scrap 5-10 part, remaining be ferrum oxide.
Preferably, including following component:
4 parts of carbon, silicon dioxide 9 parts, niobium 1.4 parts, violent 0.9 part, copper-aluminium alloy powder 4.3 parts, 0.55 part of phosphorus, sulfur 0.17 part,
4.5 parts of high ferrochrome, 1.9 parts of nickel, titanium 1.55 parts, 0.35 part of magnesium, steel scrap 7.5 parts, remaining be ferrum oxide.
Preferably, the preparation method of a kind of bearing round steel, comprise the following steps:
S1, in blow converter, add 5-10 part steel scrap successively and ferrum oxide carries out smelting and melts, control well when smelting soft
The measures such as the time blown, omnidistance Argon in smelting process, to ensure the metallurgical effect of blow converter；
S2, after the conventional duration of heat arrives, steel scrap and ferrum are all melted into metallic solution, reach to mix at metallic solution
It is sequentially added into when closing the effect of stirring that 3.5-4.5 part carbon, 8-10 part silicon dioxide, 1.1-1.7 part niobium, 0.7-1.1 part is violent, 3.8-
4.8 parts of copper-aluminium alloy powders and 0.45-0.65 part phosphorus also carry out mix and blend, carry out heating and promote what it merged while stirring
Effect, and form hybrid metal liquid；
Control the speed of stirring when S3, formation hybrid metal liquid, and hybrid metal liquid is persistently heated, while heating
It is sequentially added into 0.14-0.2 part sulfur, the high ferrochrome of 3.5-5.5 part, 1.3-2.5 nickel, 1.2-1.9 part titanium and 0.25-0.45 part magnesium and continues
Continue and be stirred forming round steel initial soln to it；
S4, make the solution of formation to going out and it being molded, focus on ladle and ingot mould solution stream when molding
Secondary oxidation；
Carrying out continuous print casting after S5, molding, and carry out blowing argon, tundish to crystallizer uses immersion water
Mouthful, tundish and crystallizer are respectively adopted middle covering agent；
S6, after round steel molding, it is carried out controlling well the temperature of cooling when cooling, and the surface to molding round steel
Protect；
After S7, above-mentioned steps complete, finished product round steel is made.
The invention provides a kind of bearing round steel and preparation method thereof, use silicon dioxide and niobium, and add carbon and manganese
The hardness that bearing round steel is made, and the most certain etch-proof effect can be increased, it is to avoid the axle made
Hold and occur that rusty stain affects the situation that bearing rotates in use, the problem not havinging the outer shaft distortion of bearing equally, then use copper
Al alloy powder, high ferrochrome and titanium, add the wearability of bearing, and the service efficiency making bearing is higher, and rotating when more
Add smooth and easy, do not interfere with the situation that bearing uses, also the whole process Argon it is better controlled when the smelting of round steel, protect
Demonstrate,prove the effect smelted, decreased secondary oxidation, make the better quality of bearing round steel.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all
Belong to the scope of protection of the invention.
Below in conjunction with some embodiments, the present invention is further explained, it should be appreciated that following example are intended to explanation, no
Should be taken as limiting.
Embodiment one
A kind of bearing round steel and preparation method thereof, comprises the following steps:
S1, in blow converter, add 5 parts of steel scraps successively and ferrum oxide carries out smelting and melts, control soft blow when smelting well
The measures such as time, omnidistance Argon in smelting process, to ensure the metallurgical effect of blow converter；
S2, after the conventional duration of heat arrives, steel scrap and ferrum are all melted into metallic solution, reach to mix at metallic solution
Be sequentially added into when closing the effect of stirring 3.5 parts of carbon, 8 parts of silicon dioxide, 1.1 parts of niobiums, 0.7 part of violent, 3.8 parts of copper-aluminium alloy powder and
0.45 part of phosphorus also carries out mix and blend, carries out heating and promotes its effect merged, and form hybrid metal liquid while stirring；
Control the speed of stirring when S3, formation hybrid metal liquid, and hybrid metal liquid is persistently heated, while heating
It is sequentially added into 0.14 part of sulfur, 3.5 parts of high ferrochrome, 1.3 nickel, 1.2 parts of titaniums and 0.25 part of magnesium and continues to be stirred forming circle to it
Steel initial soln；
S4, make the solution of formation to going out and it being molded, focus on ladle and ingot mould solution stream when molding
Secondary oxidation；
Carrying out continuous print casting after S5, molding, and carry out blowing argon, tundish to crystallizer uses immersion water
Mouthful, tundish and crystallizer are respectively adopted middle covering agent；
S6, after round steel molding, it is carried out controlling well the temperature of cooling when cooling, and the surface to molding round steel
Protect；
After S7, above-mentioned steps complete, finished product round steel is made.
Embodiment two
A kind of bearing round steel and preparation method thereof, comprises the following steps:
S1, in blow converter, add 7.5 parts of steel scraps successively and ferrum oxide carries out smelting and melts, control soft blow when smelting well
The measure such as time, omnidistance Argon in smelting process, to ensure the metallurgical effect of blow converter；
S2, after the conventional duration of heat arrives, steel scrap and ferrum are all melted into metallic solution, reach to mix at metallic solution
4 parts of carbon, 9 parts of silicon dioxide, 1.4 parts of niobiums, 0.9 part of violent, 4.3 parts of copper-aluminium alloy powder and 0.55 it are sequentially added into when closing the effect of stirring
Part phosphorus also carries out mix and blend, carries out heating and promotes its effect merged, and form hybrid metal liquid while stirring；
Control the speed of stirring when S3, formation hybrid metal liquid, and hybrid metal liquid is persistently heated, while heating
It is sequentially added into 0.17 part of sulfur, 4.5 parts of high ferrochrome, 1.9 nickel, 1.55 parts of titaniums and 0.35 part of magnesium and continues to be stirred forming circle to it
Steel initial soln；
S4, make the solution of formation to going out and it being molded, focus on ladle and ingot mould solution stream when molding
Secondary oxidation；
Carrying out continuous print casting after S5, molding, and carry out blowing argon, tundish to crystallizer uses immersion water
Mouthful, tundish and crystallizer are respectively adopted middle covering agent；
S6, after round steel molding, it is carried out controlling well the temperature of cooling when cooling, and the surface to molding round steel
Protect；
After S7, above-mentioned steps complete, finished product round steel is made.
Embodiment three
A kind of bearing round steel and preparation method thereof, comprises the following steps:
S1, in blow converter, add 10 parts of steel scraps successively and ferrum oxide carries out smelting and melts, control soft blow when smelting well
The measure such as time, omnidistance Argon in smelting process, to ensure the metallurgical effect of blow converter；
S2, after the conventional duration of heat arrives, steel scrap and ferrum are all melted into metallic solution, reach to mix at metallic solution
Be sequentially added into when closing the effect of stirring 4.5 parts of carbon, 10 parts of silicon dioxide, 1.7 parts of niobiums, 1.1 parts of violent, 4.8 parts of copper-aluminium alloy powders and
0.65 part of phosphorus also carries out mix and blend, carries out heating and promotes its effect merged, and form hybrid metal liquid while stirring；
Control the speed of stirring when S3, formation hybrid metal liquid, and hybrid metal liquid is persistently heated, while heating
It is sequentially added into 0.2 part of sulfur, 5.5 parts of high ferrochrome, 2.5 nickel, 1.9 parts of titaniums and 0.45 part of magnesium and continues to be stirred forming round steel to it
Initial soln；
S4, make the solution of formation to going out and it being molded, focus on ladle and ingot mould solution stream when molding
Secondary oxidation；
Carrying out continuous print casting after S5, molding, and carry out blowing argon, tundish to crystallizer uses immersion water
Mouthful, tundish and crystallizer are respectively adopted middle covering agent；
S6, after round steel molding, it is carried out controlling well the temperature of cooling when cooling, and the surface to molding round steel
Protect；
After S7, above-mentioned steps complete, finished product round steel is made.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.
Claims (3)
1. a bearing round steel, it is characterised in that include following component:
Carbon 3.5-4.5 part, silicon dioxide 8-10 part, niobium 1.1-1.7 part, violent 0.7-1.1 part, copper-aluminium alloy powder 3.8-4.8 part, phosphorus
0.45-0.65 part, sulfur 0.14-0.2 part, high ferrochrome 3.5-5.5 part, nickel 1.3-2.5 part, titanium 1.2-1.9 part, magnesium 0.25-0.45
Part, steel scrap 5-10 part, remaining be ferrum oxide.
A kind of bearing round steel the most according to claim 1, it is characterised in that: include following component；
4 parts of carbon, silicon dioxide 9 parts, niobium 1.4 parts, violent 0.9 part, copper-aluminium alloy powder 4.3 parts, 0.55 part of phosphorus, sulfur 0.17 part, Gao Ge
Ferrum 4.5 parts, 1.9 parts of nickel, titanium 1.55 parts, 0.35 part of magnesium, steel scrap 7.5 parts, remaining be ferrum oxide.
The preparation method of a kind of bearing round steel the most according to claim 1, it is characterised in that: comprise the following steps:
S1, in blow converter, add 5-10 part steel scrap successively and ferrum oxide carries out smelting and melts, control soft blow when smelting well
The measures such as time, omnidistance Argon in smelting process, to ensure the metallurgical effect of blow converter；
S2, after the conventional duration of heat arrives, steel scrap and ferrum are all melted into metallic solution, reach to mix at metallic solution and stir
It is sequentially added into during the effect mixed that 3.5-4.5 part carbon, 8-10 part silicon dioxide, 1.1-1.7 part niobium, 0.7-1.1 part is violent, 3.8-4.8
Part copper-aluminium alloy powder and 0.45-0.65 part phosphorus also carry out mix and blend, carry out heating and promote its effect merged while stirring
Really, and form hybrid metal liquid；
Control the speed of stirring when S3, formation hybrid metal liquid, and hybrid metal liquid is persistently heated, while heating successively
Add 0.14-0.2 part sulfur, the high ferrochrome of 3.5-5.5 part, 1.3-2.5 nickel, 1.2-1.9 part titanium and 0.25-0.45 part magnesium and continue right
It is stirred forming round steel initial soln；
S4, make the solution of formation to going out and it being molded, molding time focus on ladle and the secondary of ingot mould solution stream
Oxidation；
Carrying out continuous print casting after S5, molding, and carry out blowing argon, tundish to crystallizer uses submersed nozzle, in
Between bag and crystallizer be respectively adopted middle covering agent；
S6, after round steel molding, it is carried out controlling well when cooling the temperature of cooling, and the surface of molding round steel is carried out
Protection；
After S7, above-mentioned steps complete, finished product round steel is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610777079.8A CN106167878A (en) | 2016-08-30 | 2016-08-30 | A kind of bearing round steel and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610777079.8A CN106167878A (en) | 2016-08-30 | 2016-08-30 | A kind of bearing round steel and preparation method thereof |
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| Publication Number | Publication Date |
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| CN106167878A true CN106167878A (en) | 2016-11-30 |
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| CN201610777079.8A Pending CN106167878A (en) | 2016-08-30 | 2016-08-30 | A kind of bearing round steel and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101397628A (en) * | 2007-09-25 | 2009-04-01 | 宝山钢铁股份有限公司 | Continuous casting bearing steel round steel and method for producing the same |
| CN103436767A (en) * | 2013-07-13 | 2013-12-11 | 瞿立双 | Manufacturing method for abrasion-resistant steel casting |
| CN103436805A (en) * | 2013-07-13 | 2013-12-11 | 瞿立双 | Preparation method for alloy-steel roller |
-
2016
- 2016-08-30 CN CN201610777079.8A patent/CN106167878A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101397628A (en) * | 2007-09-25 | 2009-04-01 | 宝山钢铁股份有限公司 | Continuous casting bearing steel round steel and method for producing the same |
| CN103436767A (en) * | 2013-07-13 | 2013-12-11 | 瞿立双 | Manufacturing method for abrasion-resistant steel casting |
| CN103436805A (en) * | 2013-07-13 | 2013-12-11 | 瞿立双 | Preparation method for alloy-steel roller |
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Application publication date: 20161130 |