CN106244936A - Alloy steel ball - Google Patents
Alloy steel ball Download PDFInfo
- Publication number
- CN106244936A CN106244936A CN201610758175.8A CN201610758175A CN106244936A CN 106244936 A CN106244936 A CN 106244936A CN 201610758175 A CN201610758175 A CN 201610758175A CN 106244936 A CN106244936 A CN 106244936A
- Authority
- CN
- China
- Prior art keywords
- steel ball
- hardness
- alloy steel
- content
- improve
- 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.)
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Classifications
-
- 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
- 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
-
- 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
-
- 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
- C22C37/00—Cast-iron alloys
- C22C37/10—Cast-iron alloys containing aluminium or 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
- C22C38/02—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
- C22C38/36—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
Landscapes
- 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 alloy steel ball, alloy steel ball includes the chemical composition of following mass fraction: C:1.0 ~ 2.8%, Si:0 ~ 1.0%, Mn:0 ~ 1.5%, Cr:8 ~ 12%, P:0 ~ 0.08%, S:0 ~ 0.08%, other are ferrum and inevitable impurity.Manufacture method of the present invention is simple, in alloying pellet, the content of C is high, the normal temperature strength of steel ball, hardness improve, the content of Cr is high, improves the intensity of steel ball further with Mo simultaneously, and the Mn in steel ball improves steel ball wearability under room temperature state, in steel ball, C, Mn, Cr, Fe can form stable compound, can improve its stability and wearability by heat treatment, make steel ball long for service life, hardness is high.
Description
Technical field
The present invention relates to a kind of alloy steel ball.
Background technology
The production of conventional alloys steel ball, main component generally uses the C of 0.6 ~ 0.85%, and is properly added Si, Mn element,
But the hardness that the steel ball of low C is at normal temperatures will decline, prior art is according to steel ball size and steel ball surface hardness, the heart
The requirement that portion's hardness is different, adds the elements such as Cr, V, Mo in right amount.But along with metallurgical mine, building material cement, thermoelectricity coal-grinding, chemical industry
Needed for the industries such as the industry of powder, core material, nonferrous metal raw material and blast furnace coal dust, abrading-ball is continuously increased, and China's steel ball produces
Scale develops cast ball rapidly, but the production process of present stage steel ball, defect phenomenon easily occurs, microcosmic field trash is many and distribution
Uneven, the anti-wear performance of steel ball casting is not fine, needs according to the condition of production different, and research has high rigidity, HI high impact concurrently
Toughness, the steel ball of low percentage of damage.
Summary of the invention
It is an object of the invention to overcome above deficiency, it is provided that a kind of wearability is good, and percentage of damage is low, the steel alloy that hardness is high
Ball,
For achieving the above object, the present invention provides following technical scheme: a kind of alloy steel ball, alloy steel ball includes that following quality is divided
The chemical composition of number: C:1.0 ~ 2.8%, Si:0 ~ 1.0%, Mn:0 ~ 1.5%, Cr:8 ~ 12%, P:0 ~ 0.08%, S:0 ~ 0.08%, other
For ferrum and inevitable impurity.
Preferably, alloy steel ball includes the chemical composition of following mass fraction: C:1.8 ~ 2.8%, Si:0 ~ 1.2%, Mn:0 ~
1.5%, Cr:10 ~ 10.5%, P:0 ~ 0.05%, S:0 ~ 0.05%, Mo:0.5 ~ 0.8%, other are ferrum and inevitable impurity.
Preferably, inevitable impurity includes Nb, Ti, described Nb content: 0 ~ 0.06%, described Ti content: 0 ~ 0.04%
Compared with prior art, the invention has the beneficial effects as follows: manufacture method of the present invention is simple, in alloying pellet, the content of C is high, steel
The normal temperature strength of ball, hardness improve, and the content of Cr is high, improve the intensity of steel ball further with Mo simultaneously, and the Mn in steel ball improves
Steel ball wearability under room temperature state, in steel ball, C, Mn, Cr, Fe can form stable compound, can be carried by heat treatment
Its stability high and wearability, make steel ball long for service life, and hardness is high.
Detailed description of the invention
In order to deepen the understanding of the present invention, below in conjunction with embodiment, the present invention is further elaborated.
Embodiment one:
A kind of alloy steel ball, including the chemical composition of following mass fraction: C:1.0%, Si:1.0%, Mn:1.5%, Cr:12%, P:
0.08%, S:0.08%, be mainly composed of ferrum, and the raw material prepared is carried out melting, carries out deoxidation, desulfurization, takes off in fusion process
Phosphorus processes, it is ensured that the content 0.08% of P, S, and carries out the temperature control of molten steel with infrared thermometer, and melting is carried out after terminating clearly
Slag and calm process, carry out swage Quench molding cast subsequently, uses space flight chilling technology and die cast in casting process
Moulding process carrier and the differential hardening technique that produces, improve toughness and the hardness at wear-resisting position, chemically examine the demoulding after casting complete
And carrying out initial survey of polishing, polishing uses the alterant taken as the leading factor with rare earth of independent research, carries out heat treatment subsequently, and heat treatment is adopted
With full-automatic push-down continuous quenching, backfire product line, use interrupted quenching during quenching, improve on the premise of ensureing toughness
Hardness, after pack warehouse-in through after the assay was approved.
Embodiment two:
A kind of alloy steel ball, including the chemical composition of following mass fraction: C:2.8%, Si:1.0%, Mn:1.5%, Cr:12%, P:
0.05%, S:0.05%, be mainly composed of ferrum, and the raw material prepared is carried out melting, carries out deoxidation, desulfurization, takes off in fusion process
Phosphorus processes, it is ensured that the content 0.05% of P, S, and carries out the temperature control of molten steel with infrared thermometer, and melting is carried out after terminating clearly
Slag and calm process, carry out swage Quench molding cast subsequently, uses space flight chilling technology and die cast in casting process
Moulding process carrier and the differential hardening technique that produces, improve toughness and the hardness at wear-resisting position, chemically examine the demoulding after casting complete
And carrying out initial survey of polishing, polishing uses the alterant taken as the leading factor with rare earth of independent research, carries out heat treatment subsequently, and heat treatment is adopted
With full-automatic push-down continuous quenching, backfire product line, use interrupted quenching during quenching, improve on the premise of ensureing toughness
Hardness, after pack warehouse-in through after the assay was approved.
Embodiment three:
A kind of alloy steel ball, including the chemical composition of following mass fraction: C:2.8%, Si:0.8%, Mn:1.0%, Cr:8%, P:
0.08%, S:0.08%, be mainly composed of ferrum, and the raw material prepared is carried out melting, carries out deoxidation, desulfurization, takes off in fusion process
Phosphorus processes, it is ensured that the content 0.08% of P, S, and carries out the temperature control of molten steel with infrared thermometer, and melting is carried out after terminating clearly
Slag and calm process, carry out swage Quench molding cast subsequently, uses space flight chilling technology and die cast in casting process
Moulding process carrier and the differential hardening technique that produces, improve toughness and the hardness at wear-resisting position, chemically examine the demoulding after casting complete
And carrying out initial survey of polishing, polishing uses the alterant taken as the leading factor with rare earth of independent research, carries out heat treatment subsequently, and heat treatment is adopted
With full-automatic push-down continuous quenching, backfire product line, use interrupted quenching during quenching, improve on the premise of ensureing toughness
Hardness, after pack warehouse-in through after the assay was approved.
Embodiment four:
A kind of alloy steel ball, including the chemical composition of following mass fraction: C:1.8%, Si:1.2%, Mn:1.5%, Cr:10%, P:
0.05%, S:0.05%, Mo:0.8%, be mainly composed of ferrum, and the raw material prepared is carried out melting, fusion process is carried out deoxidation,
Desulfurization, dephosphorization treatment, it is ensured that the content 0.05% of P, S, and the temperature control of molten steel is carried out with infrared thermometer, melting terminates
After carry out scarfing cinder and calm process, carry out swage Quench molding cast subsequently, casting process use space flight chilling technology and gold
The differential hardening technique belonging to die cast moulding process carrier and produce, improves toughness and the hardness at wear-resisting position, after casting complete
The chemical examination demoulding also carries out initial survey of polishing, and polishing uses the alterant taken as the leading factor with rare earth of independent research, carries out heat treatment subsequently,
Heat treatment uses full-automatic push-down continuous quenching, backfire product line, uses interrupted quenching, during quenching before ensureing toughness
Put raising hardness, after pack warehouse-in through after the assay was approved.
Embodiment five:
A kind of alloy steel ball, including the chemical composition of following mass fraction: C:2.8%, Si:0.80%, Mn:1.0%, Cr:
10.5%, P:0.03%, S:0.05%, Mo:0.5%, be mainly composed of ferrum, and the raw material prepared is carried out melting, in fusion process
Carry out deoxidation, desulfurization, dephosphorization treatment, it is ensured that the content 0.03% of P, the content 0.05% of S, and carry out molten steel with infrared thermometer
Temperature control, melting carries out scarfing cinder and calm processes after terminating, carry out swage Quench molding cast subsequently, adopt in casting process
The differential hardening technique produced with space flight chilling technology and die cast moulding process carrier, improves the toughness at wear-resisting position
And hardness, chemically examine the demoulding after casting complete and carry out initial survey of polishing, polishing use independent research with rare earth take as the leading factor rotten
Agent, carries out heat treatment subsequently, and heat treatment uses full-automatic push-down continuous quenching, backfire product line, uses double medium during quenching
Quenching, is ensureing to improve on the premise of toughness hardness, after pack warehouse-in through after the assay was approved.
It addition, the present invention also includes inevitable impurity, including Nb, Ti, described Nb content: 0 ~ 0.06%, described Ti
Content: 0 ~ 0.04%.
Manufacture method of the present invention is simple, and in alloying pellet, the content of C is high, and the normal temperature strength of steel ball, hardness improve, the content of Cr
Height, improves the intensity of steel ball further simultaneously with Mo, and the Mn in steel ball improves steel ball wearability under room temperature state, steel ball
Middle C, Mn, Cr, Fe can form stable compound, can improve its stability and wearability by heat treatment, make steel ball use the longevity
Life is long, and hardness is high.
It should be noted last that, above detailed description of the invention only in order to technical scheme to be described and unrestricted,
Although being described in detail the present invention with reference to preferred embodiment, skilled person will appreciate that of the industry, the present invention is not subject to
The restriction of above-described embodiment, modifies to technical scheme or equivalent, without departing from the present invention spirit and
On the premise of scope, it all should be contained in the middle of scope of the presently claimed invention.
Claims (3)
1. an alloy steel ball, it is characterised in that alloy steel ball includes the chemical composition of following mass fraction: C:1.0 ~ 2.8%,
Si:0 ~ 1.0%, Mn:0 ~ 1.5%, Cr:8 ~ 12%, P:0 ~ 0.08%, S:0 ~ 0.08%, other are ferrum and inevitable impurity.
Alloy steel ball the most according to claim 1, it is characterised in that: alloy steel ball includes the chemistry one-tenth of following mass fraction
Point: C:1.8 ~ 2.8%, Si:0 ~ 1.2%, Mn:0 ~ 1.5%, Cr:10 ~ 10.5%, P:0 ~ 0.05%, S:0 ~ 0.05%, Mo:0.5 ~
0.8%, other are ferrum and inevitable impurity.
Alloy steel ball the most according to claim 1, it is characterised in that: described inevitable impurity includes Nb, Ti, described
Nb content: 0 ~ 0.06%, described Ti content: 0 ~ 0.04%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610758175.8A CN106244936A (en) | 2016-08-30 | 2016-08-30 | Alloy steel ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610758175.8A CN106244936A (en) | 2016-08-30 | 2016-08-30 | Alloy steel ball |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106244936A true CN106244936A (en) | 2016-12-21 |
Family
ID=57597218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610758175.8A Pending CN106244936A (en) | 2016-08-30 | 2016-08-30 | Alloy steel ball |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106244936A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107604264A (en) * | 2017-09-05 | 2018-01-19 | 宁波名古屋工业有限公司 | Cooling water pipe of engine and its preparation technology |
| CN107620013A (en) * | 2017-09-05 | 2018-01-23 | 宁波名古屋工业有限公司 | Air conditioning cooling water pipe and its preparation technology |
Citations (3)
| 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 |
| CN1068856A (en) * | 1991-07-24 | 1993-02-10 | 龙山县新城铸造厂 | HI-chrome cast iron for grinding balls and production method thereof |
| CN102703796A (en) * | 2012-06-20 | 2012-10-03 | 石家庄市诚达耐磨材料有限公司 | High abrasion resistance high-chromium alloy cast iron grinding ball dedicated for mine and processing technology thereof |
-
2016
- 2016-08-30 CN CN201610758175.8A patent/CN106244936A/en active Pending
Patent Citations (3)
| 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 |
| CN1068856A (en) * | 1991-07-24 | 1993-02-10 | 龙山县新城铸造厂 | HI-chrome cast iron for grinding balls and production method thereof |
| CN102703796A (en) * | 2012-06-20 | 2012-10-03 | 石家庄市诚达耐磨材料有限公司 | High abrasion resistance high-chromium alloy cast iron grinding ball dedicated for mine and processing technology thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107604264A (en) * | 2017-09-05 | 2018-01-19 | 宁波名古屋工业有限公司 | Cooling water pipe of engine and its preparation technology |
| CN107620013A (en) * | 2017-09-05 | 2018-01-23 | 宁波名古屋工业有限公司 | Air conditioning cooling water pipe and its preparation technology |
| CN107620013B (en) * | 2017-09-05 | 2021-11-30 | 宁波名古屋工业有限公司 | Air conditioner cooling water pipe and preparation process thereof |
| CN107604264B (en) * | 2017-09-05 | 2021-11-30 | 宁波名古屋工业有限公司 | Engine cooling water pipe and preparation process thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161221 |
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| RJ01 | Rejection of invention patent application after publication |