CN106435363A - Rolled high-wearable steel ball and production method thereof - Google Patents

Rolled high-wearable steel ball and production method thereof Download PDF

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Publication number
CN106435363A
CN106435363A CN201610966725.5A CN201610966725A CN106435363A CN 106435363 A CN106435363 A CN 106435363A CN 201610966725 A CN201610966725 A CN 201610966725A CN 106435363 A CN106435363 A CN 106435363A
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CN
China
Prior art keywords
steel ball
steel
high wear
ingot
resisting
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
Application number
CN201610966725.5A
Other languages
Chinese (zh)
Inventor
冯红喜
李海亮
阴文行
单俊丽
李会征
冯海龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Handan Weiye Underground Heat Development Co., Ltd.
Original Assignee
Hebei Tianli Environmental Protection Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hebei Tianli Environmental Protection Technology Co Ltd filed Critical Hebei Tianli Environmental Protection Technology Co Ltd
Priority to CN201610966725.5A priority Critical patent/CN106435363A/en
Publication of CN106435363A publication Critical patent/CN106435363A/en
Pending legal-status Critical Current

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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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys
    • 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
    • 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
    • C22C38/04—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
    • C22C38/08—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
    • C22C38/12—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
    • 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

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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)
  • Treatment Of Steel In Its Molten State (AREA)

Abstract

The invention relates to a rolled high-wearable steel ball. A steel ingot of the rolled high-wearable steel ball comprises, by weight, 0.80%-0.90% of C, 0.2%-0.4% of Si, 0.80%-1.0% of Mn, not larger than 0.25% of Ni, not larger than 0.035% of P, not larger than 0.035% of S, 0.70%-0.90% of Cr, not larger than 0.015% of Mo, not larger than 0.25% of Cu and the balance Fe and inevitable impurities. The rolled high-wearable steel ball is low in damage percentage (the damage percentage is 0.5% or zero), high in size hardness (HRC is larger than or equal to 58) and long in service life.

Description

Rolling high wear-resisting steel ball and its production method
Technical field
The present invention relates to a kind of abrading-ball, especially a kind of rolling high wear-resisting steel ball and its production method.
Background technology
Widely used abrading-ball mostly is high-carbon high-alloy class cast grinding ball both at home and abroad at present（As chromium system high alloy iron class, As：Cr8、Cr12、Cr15、Cr18、Cr24、Cr26；Low-chromium cast-iron, such as：Cr2, also has some low side carbon steels and alloy type forging Abrading-ball, process is simple, percentage of damage is up to 3-10%, especially major diameter abrading-ball（With diameter greater than 110mm）, service life is short.Cause This, a kind of volume hardness of research is high（HRC≥58）, not broken, long service life rolling high wear-resisting steel ball and its producer Method；It is the current technical issues that need to address.
Content of the invention
The technical problem to be solved is to provide a kind of volume hardness high（HRC≥58）, not broken, use the longevity The long rolling high wear-resisting steel ball of life and its production method.
The present invention solves the product composition technical scheme of its technical problem：
Rolling high wear-resisting steel ball, rolls the ingot composition of high wear-resisting steel ball by weight percentage, except Fe and inevitable impurity Outward, also contain C：0.80～0.90%, Si：0.2～0.4%, Mn：0.80～1.0%, Ni：≤ 0.25%, P：≤ 0.035%th, S：≤ 0.035%, Cr：0.70～0.90%, Mo：≤ 0.015%；Cu：≤ 0.25%.
The production method technical scheme that the present invention solves its technical problem is：
High wear-resisting steel ball milling method, its processing step is：
A. smelt continuous casting and obtain steel ingot；
B. tandem rolling obtains qualified round steel, and carries out slow cooling process；
C. round steel shearing blanking；
D. roll forming：It is heated to 1150～1200 DEG C, start to roll, finishing temperature >=850 DEG C, obtain molding steel ball；
E. Quenching Treatment, steel ball temperature, to 800～860 DEG C, enters quenching bath quenching；
F. temper, is tempered in temperature 160-220 DEG C, obtains qualified steel ball.
As a preferred embodiment of the present invention, in described E step, it is quickly quenching into≤80 DEG C.
As a preferred embodiment of the present invention, in described step A, the process that smelting continuous casting obtains steel ingot includes, and adopts Electric furnace steel making；Molten steel deoxygenates slugging and enters ladle furnace；In 1630～1670 DEG C of refines in ladle furnace（LF）, adjustment molten steel composition, plus Heat, slagging-off, vacuum outgass（AD/HR）；Steel ingot is obtained using vacuum casting technique ingot casting, cast temperature is 1610～1650 DEG C, Vacuum is≤67Pa.
Compared with prior art, present invention rolling high wear-resisting steel ball product percentage of damage is low（0.5% or zero crushes）, Er Qieti Long-pending hardness is high（HRC≥58）, long service life.
Specific embodiment
Rolling high wear-resisting steel ball, rolls the ingot composition of high wear-resisting steel ball by weight percentage, except Fe with inevitably Outside impurity, also contain C：0.80～0.90%, Si：0.2～0.4%, Mn：0.80～1.0%, Ni：≤ 0.25%, P：≤ 0.035%th, S：≤ 0.035%, Cr：0.70～0.90%, Mo：≤ 0.015%；Cu：≤ 0.25%.
2. high wear-resisting steel ball milling method, its processing step is：
C. smelt continuous casting and obtain steel ingot；
D. tandem rolling obtains qualified round steel, and carries out slow cooling process；
C. round steel shearing blanking；
D. roll forming：It is heated to 1150～1200 DEG C, start to roll, finishing temperature >=850 DEG C, obtain molding steel ball；
E. Quenching Treatment, steel ball temperature, to 800～860 DEG C, enters quenching bath quenching；It is quickly quenching into≤80 DEG C.
F. temper, is tempered in temperature 160-220 DEG C, obtains qualified steel ball.
In described step A, the process that smelting continuous casting obtains steel ingot is included, using electric furnace steel making；Molten steel deoxygenates slugging and enters steel Bag stove；In 1630～1670 DEG C of refines in ladle furnace（LF）, adjustment molten steel composition, heating, slagging-off, vacuum outgass（AD/HR）；Adopt Obtain steel ingot with vacuum casting technique ingot casting, cast temperature is 1610～1650 DEG C, vacuum is≤67Pa.

Claims (4)

1. rolling high wear-resisting steel ball it is characterised in that the ingot composition of rolling high wear-resisting steel ball by weight percentage, except Fe and Inevitably outside impurity, also contain C：0.80～0.90%, Si：0.2～0.4%, Mn：0.80～1.0%, Ni：≤ 0.25%th, P：≤ 0.035%, S：≤ 0.035%, Cr：0.70～0.90%, Mo：≤ 0.015%；Cu：≤ 0.25%.
2. high wear-resisting steel ball milling method is it is characterised in that its processing step is：
Smelt continuous casting and obtain steel ingot；
Tandem rolling obtains qualified round steel, and carries out slow cooling process；
C. round steel shearing blanking；
D. roll forming：It is heated to 1150～1200 DEG C, start to roll, finishing temperature >=850 DEG C, obtain molding steel ball；
E. Quenching Treatment, steel ball temperature, to 800～860 DEG C, enters quenching bath quenching；
F. temper, is tempered in temperature 160-220 DEG C, obtains qualified steel ball.
3. the method for rolling high wear-resisting steel ball as claimed in claim 2 is it is characterised in that in described E step, be quickly quenching into ≤ 80℃.
4. the method for rolling high wear-resisting steel ball as claimed in claim 2 is it is characterised in that in described step A, smelting continuous casting and obtain Process to steel ingot includes, using electric furnace steel making；Molten steel deoxygenates slugging and enters ladle furnace；In 1630～1670 DEG C of refines in ladle furnace （LF）, adjustment molten steel composition, heating, slagging-off, vacuum outgass（AD/HR）；Steel ingot is obtained using vacuum casting technique ingot casting, casting Temperature is 1610～1650 DEG C, and vacuum is≤67Pa.
CN201610966725.5A 2016-10-28 2016-10-28 Rolled high-wearable steel ball and production method thereof Pending CN106435363A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610966725.5A CN106435363A (en) 2016-10-28 2016-10-28 Rolled high-wearable steel ball and production method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610966725.5A CN106435363A (en) 2016-10-28 2016-10-28 Rolled high-wearable steel ball and production method thereof

Publications (1)

Publication Number Publication Date
CN106435363A true CN106435363A (en) 2017-02-22

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112176260A (en) * 2020-09-30 2021-01-05 江苏钰特耐磨科技有限公司 Steel for rolling steel balls with ultrahigh carbon and preparation method thereof
CN113943885A (en) * 2021-10-20 2022-01-18 承德荣茂铸钢有限公司 Processing technology of high-wear-resistance high-chromium alloy cast iron grinding ball special for mine

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101381848A (en) * 2008-10-23 2009-03-11 常熟市龙腾特种钢有限公司 Method of preparing wearable steel ball
CN101792885A (en) * 2010-03-30 2010-08-04 莱芜钢铁集团有限公司 Hot-rolled round steel for high carbon manganese and chrome grinding ball and method for producing same
CN101899624A (en) * 2010-08-06 2010-12-01 常熟市龙特耐磨球有限公司 High-carbon low-alloy large size wearable forged mining steel ball and manufacture method thereof
CN101962734A (en) * 2010-09-28 2011-02-02 莱芜钢铁股份有限公司 Steel for ball mill steel ball and preparation method thereof
CN102418044A (en) * 2011-11-15 2012-04-18 攀钢集团研究院有限公司 Steel for steel balls and method for manufacturing steel balls
CN102443741A (en) * 2011-11-15 2012-05-09 攀钢集团工程技术有限公司 Steel ball for ball mill and manufacturing method for same
CN102703816A (en) * 2012-06-29 2012-10-03 中天钢铁集团有限公司 High-carbon low-alloy wear-resistant ball steel and production process thereof
CN104372255A (en) * 2014-10-14 2015-02-25 山东钢铁股份有限公司 Shock-resistant high-abrasion-resistant steel ball steel and preparation method thereof

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101381848A (en) * 2008-10-23 2009-03-11 常熟市龙腾特种钢有限公司 Method of preparing wearable steel ball
CN101792885A (en) * 2010-03-30 2010-08-04 莱芜钢铁集团有限公司 Hot-rolled round steel for high carbon manganese and chrome grinding ball and method for producing same
CN101899624A (en) * 2010-08-06 2010-12-01 常熟市龙特耐磨球有限公司 High-carbon low-alloy large size wearable forged mining steel ball and manufacture method thereof
CN101962734A (en) * 2010-09-28 2011-02-02 莱芜钢铁股份有限公司 Steel for ball mill steel ball and preparation method thereof
CN102418044A (en) * 2011-11-15 2012-04-18 攀钢集团研究院有限公司 Steel for steel balls and method for manufacturing steel balls
CN102443741A (en) * 2011-11-15 2012-05-09 攀钢集团工程技术有限公司 Steel ball for ball mill and manufacturing method for same
CN102703816A (en) * 2012-06-29 2012-10-03 中天钢铁集团有限公司 High-carbon low-alloy wear-resistant ball steel and production process thereof
CN104372255A (en) * 2014-10-14 2015-02-25 山东钢铁股份有限公司 Shock-resistant high-abrasion-resistant steel ball steel and preparation method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112176260A (en) * 2020-09-30 2021-01-05 江苏钰特耐磨科技有限公司 Steel for rolling steel balls with ultrahigh carbon and preparation method thereof
CN112176260B (en) * 2020-09-30 2021-11-23 江苏钰特耐磨科技有限公司 Steel for rolling steel balls with ultrahigh carbon and preparation method thereof
CN113943885A (en) * 2021-10-20 2022-01-18 承德荣茂铸钢有限公司 Processing technology of high-wear-resistance high-chromium alloy cast iron grinding ball special for mine

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Effective date of registration: 20170417

Address after: Hebei Industrial Park, Guangping county south of the 057650 city of Handan Province

Applicant after: Connaught new materials Limited by Share Ltd

Address before: 056500 Hebei City, Handan Province, the town of Cixian magnetic North Street, North Road Hardware Company, the family building, unit 2, building 2, east of the east door of the family

Applicant before: Hebei Tianli Environmental Protection Technology Co. Ltd.

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TA01 Transfer of patent application right

Effective date of registration: 20181018

Address after: 057650 No. 6 Jinguang Yuan Road, Guang Ping County, Handan, Hebei

Applicant after: Handan Weiye Underground Heat Development Co., Ltd.

Address before: 057650 Chengnan Industrial Park, Guang Ping County, Handan, Hebei

Applicant before: Connaught new materials Limited by Share Ltd

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