KR102497429B1 - 절삭성 및 연자성이 우수한 흑연화 열처리용 선재 및 흑연강 - Google Patents
절삭성 및 연자성이 우수한 흑연화 열처리용 선재 및 흑연강 Download PDFInfo
- Publication number
- KR102497429B1 KR102497429B1 KR1020200178565A KR20200178565A KR102497429B1 KR 102497429 B1 KR102497429 B1 KR 102497429B1 KR 1020200178565 A KR1020200178565 A KR 1020200178565A KR 20200178565 A KR20200178565 A KR 20200178565A KR 102497429 B1 KR102497429 B1 KR 102497429B1
- Authority
- KR
- South Korea
- Prior art keywords
- graphite
- less
- heat treatment
- steel
- graphitization
- Prior art date
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 100
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 90
- 239000010439 graphite Substances 0.000 title claims abstract description 90
- 238000005087 graphitization Methods 0.000 title claims abstract description 67
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 62
- 239000010959 steel Substances 0.000 title claims abstract description 62
- 238000010438 heat treatment Methods 0.000 title claims abstract description 53
- 230000005389 magnetism Effects 0.000 title claims description 17
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 15
- 239000000956 alloy Substances 0.000 claims abstract description 15
- 239000012535 impurity Substances 0.000 claims abstract description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 9
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 8
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 6
- 229910001562 pearlite Inorganic materials 0.000 claims description 23
- 229910000859 α-Fe Inorganic materials 0.000 claims description 21
- 230000004907 flux Effects 0.000 claims description 14
- 229910001563 bainite Inorganic materials 0.000 claims description 3
- 229910000734 martensite Inorganic materials 0.000 claims description 3
- 230000000052 comparative effect Effects 0.000 description 40
- 238000005520 cutting process Methods 0.000 description 22
- 230000000694 effects Effects 0.000 description 13
- 229910052799 carbon Inorganic materials 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 239000000203 mixture Substances 0.000 description 10
- 238000005098 hot rolling Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 239000013078 crystal Substances 0.000 description 8
- 229910001567 cementite Inorganic materials 0.000 description 7
- 238000001816 cooling Methods 0.000 description 7
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000014509 gene expression Effects 0.000 description 4
- 230000005381 magnetic domain Effects 0.000 description 4
- 150000004767 nitrides Chemical class 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 229910000915 Free machining steel Inorganic materials 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000005261 decarburization Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 241000317173 Perla Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 238000010273 cold forging Methods 0.000 description 1
- 239000010730 cutting oil Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
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
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
-
- 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
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/525—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length for wire, for rods
-
- 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
- C21D1/26—Methods of annealing
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/008—Heat treatment of ferrous alloys containing Si
-
- 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
- C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
- C21D8/065—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires 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
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
-
- 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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- 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
-
- 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
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/009—Pearlite
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)
- Manufacturing & Machinery (AREA)
- Heat Treatment Of Steel (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020200178565A KR102497429B1 (ko) | 2020-12-18 | 2020-12-18 | 절삭성 및 연자성이 우수한 흑연화 열처리용 선재 및 흑연강 |
| CN202180090694.0A CN116806276A (zh) | 2020-12-18 | 2021-12-17 | 用于石墨化热处理的线材及石墨钢 |
| PCT/KR2021/019313 WO2022131864A1 (ko) | 2020-12-18 | 2021-12-17 | 흑연화 열처리용 선재 및 흑연강 |
| JP2023537369A JP2024500138A (ja) | 2020-12-18 | 2021-12-17 | 黒鉛化熱処理用線材および黒鉛鋼 |
| EP21907168.5A EP4265800A1 (en) | 2020-12-18 | 2021-12-17 | Wire rod for graphitization heat treatment, and graphite steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020200178565A KR102497429B1 (ko) | 2020-12-18 | 2020-12-18 | 절삭성 및 연자성이 우수한 흑연화 열처리용 선재 및 흑연강 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20220087978A KR20220087978A (ko) | 2022-06-27 |
| KR102497429B1 true KR102497429B1 (ko) | 2023-02-10 |
Family
ID=82057944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020200178565A KR102497429B1 (ko) | 2020-12-18 | 2020-12-18 | 절삭성 및 연자성이 우수한 흑연화 열처리용 선재 및 흑연강 |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP4265800A1 (zh) |
| JP (1) | JP2024500138A (zh) |
| KR (1) | KR102497429B1 (zh) |
| CN (1) | CN116806276A (zh) |
| WO (1) | WO2022131864A1 (zh) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5476556A (en) | 1993-08-02 | 1995-12-19 | Kawasaki Steel Corporation | Method of manufacturing steel for machine structural use exhibiting excellent free cutting characteristic, cold forging characteristic and post-hardening/tempering fatigue resistance |
| JPH07188850A (ja) * | 1993-12-28 | 1995-07-25 | Kawasaki Steel Corp | 被削性に優れた黒鉛快削鋼 |
| JP4084462B2 (ja) * | 1998-06-04 | 2008-04-30 | Ｊｆｅ条鋼株式会社 | 快削熱間加工鋼材およびその製造方法 |
| JP6528920B2 (ja) * | 2017-05-18 | 2019-06-12 | 日本製鉄株式会社 | 線材、及び鋼線の製造方法 |
| CN109207840B (zh) * | 2017-06-29 | 2020-12-22 | 宝山钢铁股份有限公司 | 一种易切削非调质钢及其制造方法 |
| KR102042063B1 (ko) * | 2017-12-21 | 2019-11-08 | 주식회사 포스코 | 흑연화 열처리용 강재 및 피삭성이 향상된 흑연강 |
| KR102126971B1 (ko) * | 2018-10-23 | 2020-06-25 | 주식회사 포스코 | 절삭성 및 연자성이 우수한 흑연강 및 그 제조방법 |
-
2020
- 2020-12-18 KR KR1020200178565A patent/KR102497429B1/ko active IP Right Grant
-
2021
- 2021-12-17 WO PCT/KR2021/019313 patent/WO2022131864A1/ko active Application Filing
- 2021-12-17 JP JP2023537369A patent/JP2024500138A/ja active Pending
- 2021-12-17 EP EP21907168.5A patent/EP4265800A1/en active Pending
- 2021-12-17 CN CN202180090694.0A patent/CN116806276A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP4265800A1 (en) | 2023-10-25 |
| WO2022131864A1 (ko) | 2022-06-23 |
| JP2024500138A (ja) | 2024-01-04 |
| KR20220087978A (ko) | 2022-06-27 |
| CN116806276A (zh) | 2023-09-26 |
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