CN104164620A - Alloy steel for part cutting and manufacturing method thereof - Google Patents
Alloy steel for part cutting and manufacturing method thereof Download PDFInfo
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- CN104164620A CN104164620A CN201410357841.8A CN201410357841A CN104164620A CN 104164620 A CN104164620 A CN 104164620A CN 201410357841 A CN201410357841 A CN 201410357841A CN 104164620 A CN104164620 A CN 104164620A
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- temperature
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- alloy steel
- molybdenum
- steel
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- 229910000851 Alloy steel Inorganic materials 0.000 title claims abstract description 19
- 238000005520 cutting process Methods 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 7
- PWHULOQIROXLJO-UHFFFAOYSA-N manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 7
- 239000011572 manganese Substances 0.000 claims abstract description 7
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 6
- 239000000956 alloy Substances 0.000 claims abstract description 6
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical class [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 claims abstract description 6
- ZOKXTWBITQBERF-UHFFFAOYSA-N molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 5
- 239000011733 molybdenum Substances 0.000 claims abstract description 5
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 5
- 229910000531 Co alloy Inorganic materials 0.000 claims abstract description 4
- 229910001182 Mo alloy Inorganic materials 0.000 claims abstract description 4
- 229910000990 Ni alloy Inorganic materials 0.000 claims abstract description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052796 boron Inorganic materials 0.000 claims abstract description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052803 cobalt Inorganic materials 0.000 claims abstract description 4
- 239000010941 cobalt Substances 0.000 claims abstract description 4
- 229910052742 iron Inorganic materials 0.000 claims abstract description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 4
- 239000011574 phosphorus Substances 0.000 claims abstract description 4
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 4
- 239000010703 silicon Substances 0.000 claims abstract description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 4
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium(0) Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000005242 forging Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 230000001939 inductive effect Effects 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000004411 aluminium Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 238000010791 quenching Methods 0.000 claims description 6
- 230000000171 quenching Effects 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 6
- 229910000521 B alloy Inorganic materials 0.000 claims description 3
- 229910000604 Ferrochrome Inorganic materials 0.000 claims description 3
- 229910000805 Pig iron Inorganic materials 0.000 claims description 3
- 239000005864 Sulphur Substances 0.000 claims description 3
- 229910000756 V alloy Inorganic materials 0.000 claims description 3
- 238000005275 alloying Methods 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 229910052729 chemical element Inorganic materials 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000006477 desulfuration reaction Methods 0.000 claims description 3
- 230000003009 desulfurizing Effects 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 238000010891 electric arc Methods 0.000 claims description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 3
- 235000013312 flour Nutrition 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000005098 hot rolling Methods 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910000499 pig iron Inorganic materials 0.000 claims description 3
- 238000007670 refining Methods 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 238000007669 thermal treatment Methods 0.000 claims description 3
- 230000003111 delayed Effects 0.000 abstract description 2
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 229910052717 sulfur Inorganic materials 0.000 abstract 1
- 239000011593 sulfur Substances 0.000 abstract 1
- 230000003078 antioxidant Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Abstract
The invention discloses alloy steel for part cutting and a manufacturing method thereof. The alloy steel comprises, by mass, 0.4-0.45% of carbon, 0.67-0.72% of silicon, 0.4-0.5% of manganese, 0.05-0.06% of nickel, 0.0035-0.004% of molybdenum, 0.2-0.35% of cobalt, 0.045-0.055% of vanadium, 0.7-0.8% of aluminum, 0.03-0.04% of boron, 0.023-0.025% of sulfur, 0.02-0.03% of phosphorus and the balance iron. The alloy steel does not produce high-temperature creep deformation and has constant high-temperature strength in a high-temperature environment for a long time. The alloy steel has good high-temperature resistance, wear resistance and oxidation resistance, can be widely used in the field of part cutting, adopts an advanced alloy formula, contains nickel, molybdenum and cobalt alloy elements and greatly improves toughness and delayed breaking strength of the alloy steel.
Description
Technical field
The present invention relates to a kind of steel alloy and manufacture method thereof, particularly a kind of manufacture method of the steel alloy for cutting parts.
Background technology
Machine-shaping is normally carried out in the processing of Wimet at present under pressed compact state, then utilize cutter to cut, adding man-hour because the particle hardness ratio of Wimet is higher, cutter can produce that cutting edge is not wear-resisting, fragile, the phenomenon of difficult cutting, and owing to being the monolateral edge of a knife, the edge of a knife is also sharper, clamping frequently turns around when processing, can make product produce limit, collapse limit, cracking, the not good phenomenon of smooth finish, reduced quality product, improved production cost.
Summary of the invention
The object of the present invention is to provide a kind of manufacture method of the steel alloy for cutting parts.
The present invention adopts following technical scheme:
For the steel alloy of cutting parts, chemical element composition and mass percent thereof that it contains are: carbon 0.4-0.45%, silicon 0.67-0.72%, manganese 0.4-0.5%, nickel 0.05-0.06%, molybdenum 0.0035-0.004%, cobalt 0.2-0.35%, vanadium 0.045-0.055%, aluminium 0.7-0.8%, boron 0.03-0.04%, sulphur 0.023-0.025%, phosphorus 0.02-0.03%, surplus are iron.
The manufacture method that is used for the steel alloy of cutting parts, comprises the following steps:
(1) pig iron and low carbon ferrochromium are dropped in vacuum induction furnace and melted in 1:3.8-5.5 ratio, then add steel scrap, as ferrous substrate, originate; Carry out desulfurization, deoxidation; Then amount by mass percentage adds carbon dust, manganese powder, silica flour and aluminium powder successively, fully be uniformly mixed, and then add nickel, molybdenum, cobalt, vanadium and boron alloy element in vacuum induction furnace, described above-mentioned each alloy adding for its formula in separately mass percent 1/3, controlling pressure in induction furnace is 0.006-0.008Mpa, Heating temperature is to 1150-1320 ℃, and hot rolling after melting is made steel billet after cooling;
(2) steel billet of step (1) is put into electric arc furnace and be melted to molten state, insulation 2-4h, then by moiety mass percent, add remaining each alloying element wherein, stir, at 1580-1630 ℃ of refining 45-55min, after insulation 20-30min, sample, after analysis ingredient, adjusting component, fusing 10-20min, casting, tapping temperature is 1520-1580 ℃;
(3) profiled member in step (2) is forged, open forging temperature >=1020 ℃, final forging temperature >=845 ℃, forging deformation amount >=20%, is heated to 850-860 ℃ by foundry goods after forging, carries out austenitizing processing, and soaking time is 15-20 minute; And then carry out isothermal quenching, and quenching temperature is 210-220 ℃, soaking time is 3-5 minute; Isothermal partition thermal treatment 6-7 minute at the partition temperature of 400-420 ℃ again; Finally naturally cool to room temperature.
Beneficial effect of the present invention:
Steel alloy of the present invention is for a long time under hot environment, and without high temperature creep phenomenon, hot strength is constant; Have stronger high temperature resistant, wear-resistant, antioxidant property, can be widely used in cutting parts field, the present invention adopts advanced alloy formula, has added nickel, molybdenum, cobalt-base alloy element, has greatly strengthened toughness and the delayed fracture strength performance of steel alloy.
Embodiment
Embodiment 1: for the steel alloy of cutting parts, chemical element composition and mass percent thereof that it contains are: carbon 0.42%, silicon 0.7%, manganese 0.45%, nickel 0.055%, molybdenum 0.0038%, cobalt 0.28%, vanadium 0.05%, aluminium 0.75%, boron 0.035%, sulphur 0.025%, phosphorus 0.025%, surplus are iron.
The manufacture method that is used for the steel alloy of cutting parts, comprises the following steps:
(1) pig iron and low carbon ferrochromium are dropped in vacuum induction furnace and melted in 1:4.5 ratio, then add steel scrap, as ferrous substrate, originate; Carry out desulfurization, deoxidation; Then amount by mass percentage adds carbon dust, manganese powder, silica flour and aluminium powder successively, fully be uniformly mixed, and then add nickel, molybdenum, cobalt, vanadium and boron alloy element in vacuum induction furnace, described above-mentioned each alloy adding for its formula in separately mass percent 1/3, controlling pressure in induction furnace is 0.007Mpa, Heating temperature to 1250 ℃, hot rolling after melting, makes steel billet after cooling;
(2) steel billet of step (1) is put into electric arc furnace and be melted to molten state, insulation 3h, then by moiety mass percent, add remaining each alloying element wherein, stir, at 1580-1630 ℃ of refining 45-55min, after insulation 20-30min, sample, after analysis ingredient, adjusting component, fusing 10-20min, casting, tapping temperature is 1520-1580 ℃;
(3) profiled member in step (2) is forged, open forging temperature >=1020 ℃, final forging temperature >=845 ℃, forging deformation amount >=20%, is heated to 850-860 ℃ by foundry goods after forging, carries out austenitizing processing, and soaking time is 18 minutes; And then carry out isothermal quenching, and quenching temperature is 215 ℃, soaking time is 3-5 minute; Isothermal partition thermal treatment 6-7 minute at the partition temperature of 410 ℃ again; Finally naturally cool to room temperature.
The present invention manufacture steel alloy testing data: tensile strength sigma b>=1175MPa; Yield strength σ 0.2>=1082MPa; Room temperature impelling strength α ku (42 ℃)>=67J/cm
2; Low-temperature impact toughness σ ku (40 ℃)>=32J/cm
2; Hardness 55-60HRC.
Claims (2)
1. for a steel alloy for cutting parts, it is characterized in that: chemical element composition and mass percent thereof that it contains are: carbon 0.4-0.45%, silicon 0.67-0.72%, manganese 0.4-0.5%, nickel 0.05-0.06%, molybdenum 0.0035-0.004%, cobalt 0.2-0.35%, vanadium 0.045-0.055%, aluminium 0.7-0.8%, boron 0.03-0.04%, sulphur 0.023-0.025%, phosphorus 0.02-0.03%, surplus are iron.
2. a manufacture method for the steel alloy for cutting parts as claimed in claim 1, is characterized in that comprising the following steps:
(1) pig iron and low carbon ferrochromium are dropped in vacuum induction furnace and melted in 1:3.8-5.5 ratio, then add steel scrap, as ferrous substrate, originate; Carry out desulfurization, deoxidation; Then amount by mass percentage adds carbon dust, manganese powder, silica flour and aluminium powder successively, fully be uniformly mixed, and then add nickel, molybdenum, cobalt, vanadium and boron alloy element in vacuum induction furnace, described above-mentioned each alloy adding for its formula in separately mass percent 1/3, controlling pressure in induction furnace is 0.006-0.008Mpa, Heating temperature is to 1150-1320 ℃, and hot rolling after melting is made steel billet after cooling;
(2) steel billet of step (1) is put into electric arc furnace and be melted to molten state, insulation 2-4h, then by moiety mass percent, add remaining each alloying element wherein, stir, at 1580-1630 ℃ of refining 45-55min, after insulation 20-30min, sample, after analysis ingredient, adjusting component, fusing 10-20min, casting, tapping temperature is 1520-1580 ℃;
(3) profiled member in step (2) is forged, open forging temperature >=1020 ℃, final forging temperature >=845 ℃, forging deformation amount >=20%, is heated to 850-860 ℃ by foundry goods after forging, carries out austenitizing processing, and soaking time is 15-20 minute; And then carry out isothermal quenching, and quenching temperature is 210-220 ℃, soaking time is 3-5 minute; Isothermal partition thermal treatment 6-7 minute at the partition temperature of 400-420 ℃ again; Finally naturally cool to room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410357841.8A CN104164620B (en) | 2014-07-25 | 2014-07-25 | A kind of steel alloy for cutting parts and manufacture method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410357841.8A CN104164620B (en) | 2014-07-25 | 2014-07-25 | A kind of steel alloy for cutting parts and manufacture method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104164620A true CN104164620A (en) | 2014-11-26 |
| CN104164620B CN104164620B (en) | 2016-08-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106191636A (en) * | 2016-08-25 | 2016-12-07 | 马鞍山市申力特重工机械股份有限公司 | A kind of preparation method of whirler blade alloy material |
| CN110846586A (en) * | 2019-12-16 | 2020-02-28 | 北京机科国创轻量化科学研究院有限公司 | Steel for high-strength high-toughness high-wear-resistance steel ball and preparation method thereof |
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| JPH09227983A (en) * | 1996-02-16 | 1997-09-02 | Michihiko Nagumo | High strength steel excellent in delayed fracture resistance |
| CN1878881A (en) * | 2003-12-19 | 2006-12-13 | 大同特殊钢株式会社 | Hot work tool steel and mold member excellent in resistance to melting |
| CN101070580A (en) * | 2007-03-05 | 2007-11-14 | 大连海事大学 | Alloy tool steel in multi-type super-fine carbonates |
| CN101225499A (en) * | 2008-01-31 | 2008-07-23 | 上海交通大学 | Low-alloy super-strength multiphase steel and heat treatment method thereof |
| CN101717890A (en) * | 2009-11-26 | 2010-06-02 | 三一重工股份有限公司 | Cast low alloy steel for grader blade and preparation method |
| CN102345074A (en) * | 2011-10-19 | 2012-02-08 | 武汉钢铁(集团)公司 | Intermediate-carbon high-speed cutting saw blade matrix steel and production method thereof |
| CN103484783A (en) * | 2013-10-18 | 2014-01-01 | 株洲硬质合金集团有限公司 | Alloy for cutter ring of disk type hobbing cutter and preparation method thereof |
-
2014
- 2014-07-25 CN CN201410357841.8A patent/CN104164620B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09227983A (en) * | 1996-02-16 | 1997-09-02 | Michihiko Nagumo | High strength steel excellent in delayed fracture resistance |
| CN1878881A (en) * | 2003-12-19 | 2006-12-13 | 大同特殊钢株式会社 | Hot work tool steel and mold member excellent in resistance to melting |
| CN101070580A (en) * | 2007-03-05 | 2007-11-14 | 大连海事大学 | Alloy tool steel in multi-type super-fine carbonates |
| CN101225499A (en) * | 2008-01-31 | 2008-07-23 | 上海交通大学 | Low-alloy super-strength multiphase steel and heat treatment method thereof |
| CN101717890A (en) * | 2009-11-26 | 2010-06-02 | 三一重工股份有限公司 | Cast low alloy steel for grader blade and preparation method |
| CN102345074A (en) * | 2011-10-19 | 2012-02-08 | 武汉钢铁(集团)公司 | Intermediate-carbon high-speed cutting saw blade matrix steel and production method thereof |
| CN103484783A (en) * | 2013-10-18 | 2014-01-01 | 株洲硬质合金集团有限公司 | Alloy for cutter ring of disk type hobbing cutter and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106191636A (en) * | 2016-08-25 | 2016-12-07 | 马鞍山市申力特重工机械股份有限公司 | A kind of preparation method of whirler blade alloy material |
| CN110846586A (en) * | 2019-12-16 | 2020-02-28 | 北京机科国创轻量化科学研究院有限公司 | Steel for high-strength high-toughness high-wear-resistance steel ball and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN104164620B (en) | 2016-08-17 |
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Denomination of invention: A kind of alloy steel for cutting parts and its manufacturing method Effective date of registration: 20220801 Granted publication date: 20160817 Pledgee: Feidong SME financing Company limited by guarantee Pledgor: HEFEI RUIHONG HEAVY MACHINERY Co.,Ltd. Registration number: Y2022980011674 |