JP5449626B1 - 軟窒化用鋼およびこの鋼を素材とする軟窒化部品 - Google Patents
軟窒化用鋼およびこの鋼を素材とする軟窒化部品 Download PDFInfo
- Publication number
- JP5449626B1 JP5449626B1 JP2013532781A JP2013532781A JP5449626B1 JP 5449626 B1 JP5449626 B1 JP 5449626B1 JP 2013532781 A JP2013532781 A JP 2013532781A JP 2013532781 A JP2013532781 A JP 2013532781A JP 5449626 B1 JP5449626 B1 JP 5449626B1
- Authority
- JP
- Japan
- Prior art keywords
- soft nitriding
- steel
- less
- amount
- nitriding
- 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.)
- Active
Links
- 238000005121 nitriding Methods 0.000 title claims abstract description 90
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 66
- 239000010959 steel Substances 0.000 title claims abstract description 66
- 229910001563 bainite Inorganic materials 0.000 claims abstract description 37
- 239000002244 precipitate Substances 0.000 claims description 44
- 229910052758 niobium Inorganic materials 0.000 claims description 27
- 229910052720 vanadium Inorganic materials 0.000 claims description 27
- 239000012535 impurity Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 36
- 239000000203 mixture Substances 0.000 abstract description 12
- 238000011282 treatment Methods 0.000 description 31
- 238000005242 forging Methods 0.000 description 21
- 238000004519 manufacturing process Methods 0.000 description 12
- 238000012360 testing method Methods 0.000 description 12
- 238000001816 cooling Methods 0.000 description 11
- 238000005096 rolling process Methods 0.000 description 11
- 238000005255 carburizing Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 10
- 238000001556 precipitation Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000007423 decrease Effects 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
- 238000005520 cutting process Methods 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 229910052719 titanium Inorganic materials 0.000 description 5
- 229910001566 austenite Inorganic materials 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 150000001247 metal acetylides Chemical class 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 238000010791 quenching Methods 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 239000002344 surface layer Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 238000007542 hardness measurement Methods 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 229910001562 pearlite Inorganic materials 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 238000005496 tempering Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000010273 cold forging Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000009863 impact test Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 238000004881 precipitation hardening Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 229910003310 Ni-Al Inorganic materials 0.000 description 1
- 229910011214 Ti—Mo Inorganic materials 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- KHYBPSFKEHXSLX-UHFFFAOYSA-N iminotitanium Chemical compound [Ti]=N KHYBPSFKEHXSLX-UHFFFAOYSA-N 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/28—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases more than one element being applied in one step
- C23C8/30—Carbo-nitriding
- C23C8/32—Carbo-nitriding of ferrous surfaces
-
- 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
- C21D6/002—Heat treatment of ferrous alloys containing Cr
-
- 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
- C22C38/06—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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
-
- 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
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
-
- 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
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
-
- 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
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
-
- 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
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
- C22C38/60—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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/002—Bainite
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Heat Treatment Of Articles (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013532781A JP5449626B1 (ja) | 2012-02-15 | 2013-02-15 | 軟窒化用鋼およびこの鋼を素材とする軟窒化部品 |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012031031 | 2012-02-15 | ||
| JP2012031031 | 2012-02-15 | ||
| JP2013532781A JP5449626B1 (ja) | 2012-02-15 | 2013-02-15 | 軟窒化用鋼およびこの鋼を素材とする軟窒化部品 |
| PCT/JP2013/000838 WO2013121794A1 (fr) | 2012-02-15 | 2013-02-15 | Acier à nitruration modérée et matière d'acier utilisant un composant à nitruration modérée |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP5449626B1 true JP5449626B1 (ja) | 2014-03-19 |
| JPWO2013121794A1 JPWO2013121794A1 (ja) | 2015-05-11 |
Family
ID=48983924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013532781A Active JP5449626B1 (ja) | 2012-02-15 | 2013-02-15 | 軟窒化用鋼およびこの鋼を素材とする軟窒化部品 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20150020926A1 (fr) |
| EP (1) | EP2816128B1 (fr) |
| JP (1) | JP5449626B1 (fr) |
| KR (1) | KR20140129081A (fr) |
| CN (1) | CN104114733A (fr) |
| MY (1) | MY177826A (fr) |
| WO (1) | WO2013121794A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013166997A (ja) * | 2012-02-15 | 2013-08-29 | Jfe Bars & Shapes Corp | 窒化用鋼材およびこれを用いた窒化部材 |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2835130A1 (fr) * | 2013-08-05 | 2015-02-11 | Polichem SA | Composition pour traitement anti-vieillissement de la peau |
| ES2944566T3 (es) * | 2014-03-18 | 2023-06-22 | Innomaq 21 Sl | Acero de bajo coste con conductividad extremadamente alta |
| JP6225965B2 (ja) * | 2014-09-05 | 2017-11-08 | Ｊｆｅスチール株式会社 | 軟窒化用鋼および部品ならびにこれらの製造方法 |
| JP6431456B2 (ja) * | 2014-09-05 | 2018-11-28 | Ｊｆｅスチール株式会社 | 軟窒化用鋼および部品ならびにこれらの製造方法 |
| CN107406942B (zh) * | 2015-03-24 | 2019-10-18 | 杰富意钢铁株式会社 | 软氮化用钢及部件及其制造方法 |
| CN104975160A (zh) * | 2015-06-18 | 2015-10-14 | 柳州科尔特锻造机械有限公司 | 一种主、从动锥齿轮热处理方法 |
| JP6477614B2 (ja) * | 2016-06-30 | 2019-03-06 | Ｊｆｅスチール株式会社 | 軟窒化用鋼および部品ならびにこれらの製造方法 |
| JP6610808B2 (ja) * | 2016-11-30 | 2019-11-27 | Ｊｆｅスチール株式会社 | 軟窒化用鋼および部品 |
| US11625844B2 (en) * | 2020-05-11 | 2023-04-11 | The Boeing Company | Rapid effective case depth measurement of a metal component using physical surface conditioning |
| WO2024003593A1 (fr) * | 2022-06-28 | 2024-01-04 | Arcelormittal | Pièce forgée en acier et son procédé de fabrication |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS559488A (en) | 1978-07-07 | 1980-01-23 | Matsushita Electric Ind Co Ltd | Method of making semiconductor device |
| JPH07138701A (ja) | 1993-11-15 | 1995-05-30 | Kobe Steel Ltd | 窒化用鋼 |
| JPH08134585A (ja) * | 1994-11-04 | 1996-05-28 | Nippon Steel Corp | 高温強度及び耐酸化性に優れたフェライト系耐熱鋼及びその製造方法 |
| JP3507258B2 (ja) * | 1996-11-15 | 2004-03-15 | 新日本製鐵株式会社 | ５９０ＭＰａ級圧延形鋼およびその製造方法 |
| JPH10237583A (ja) * | 1997-02-27 | 1998-09-08 | Sumitomo Metal Ind Ltd | 高張力鋼およびその製造方法 |
| ES2264572T3 (es) * | 1997-07-28 | 2007-01-01 | Exxonmobil Upstream Research Company | Aceros soldables ultrarresistentes con una tenacidad excelente a temperaturas ultrabajas. |
| TNSN99233A1 (fr) * | 1998-12-19 | 2001-12-31 | Exxon Production Research Co | Aciers de haute resistance avec excellente tenacite de temperature cryogenique |
| JP3518515B2 (ja) * | 2000-03-30 | 2004-04-12 | 住友金属工業株式会社 | 低・中Ｃｒ系耐熱鋼 |
| EP1167561A3 (fr) * | 2000-06-28 | 2009-03-04 | Mitsubishi Steel Muroran Inc. | Acier pour cémentation et carbonitruration |
| JP4291941B2 (ja) | 2000-08-29 | 2009-07-08 | 新日本製鐵株式会社 | 曲げ疲労強度に優れた軟窒化用鋼 |
| JP4962695B2 (ja) * | 2004-12-15 | 2012-06-27 | 住友金属工業株式会社 | 軟窒化用鋼及び軟窒化部品の製造方法 |
| JP4418391B2 (ja) * | 2005-03-30 | 2010-02-17 | 新日本製鐵株式会社 | 音響異方性が小さい降伏強さ６５０ＭＰａ以上の高張力鋼板およびその製造方法 |
| JP4385019B2 (ja) * | 2005-11-28 | 2009-12-16 | 新日本製鐵株式会社 | 鋼製軟窒化機械部品の製造方法 |
| JP2007197776A (ja) * | 2006-01-27 | 2007-08-09 | Jfe Steel Kk | 耐遅れ破壊特性と耐疲労き裂伝播特性に優れた高強度鋼材およびその製造方法 |
| JP4645461B2 (ja) * | 2006-01-27 | 2011-03-09 | Ｊｆｅスチール株式会社 | 耐延性亀裂発生特性と耐疲労亀裂伝播特性に優れた高強度鋼材およびその製造方法 |
| JP5427418B2 (ja) | 2009-01-19 | 2014-02-26 | Ｊｆｅ条鋼株式会社 | 軟窒化用鋼 |
| US20110186182A1 (en) * | 2009-05-15 | 2011-08-04 | Tetsushi Chida | Steel for nitrocarburizing and nitrocarburized parts |
| JP5528082B2 (ja) * | 2009-12-11 | 2014-06-25 | Ｊｆｅ条鋼株式会社 | 軟窒化歯車 |
| JP5397308B2 (ja) * | 2010-04-28 | 2014-01-22 | 新日鐵住金株式会社 | 肌焼用熱間加工鋼材 |
-
2013
- 2013-02-15 EP EP13748467.1A patent/EP2816128B1/fr active Active
- 2013-02-15 JP JP2013532781A patent/JP5449626B1/ja active Active
- 2013-02-15 KR KR1020147024603A patent/KR20140129081A/ko not_active Ceased
- 2013-02-15 CN CN201380009412.5A patent/CN104114733A/zh active Pending
- 2013-02-15 MY MYPI2014702217A patent/MY177826A/en unknown
- 2013-02-15 US US14/378,553 patent/US20150020926A1/en not_active Abandoned
- 2013-02-15 WO PCT/JP2013/000838 patent/WO2013121794A1/fr active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013166997A (ja) * | 2012-02-15 | 2013-08-29 | Jfe Bars & Shapes Corp | 窒化用鋼材およびこれを用いた窒化部材 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104114733A (zh) | 2014-10-22 |
| MY177826A (en) | 2020-09-23 |
| EP2816128A1 (fr) | 2014-12-24 |
| EP2816128B1 (fr) | 2019-02-06 |
| WO2013121794A8 (fr) | 2014-07-17 |
| JPWO2013121794A1 (ja) | 2015-05-11 |
| WO2013121794A1 (fr) | 2013-08-22 |
| US20150020926A1 (en) | 2015-01-22 |
| EP2816128A4 (fr) | 2015-05-20 |
| KR20140129081A (ko) | 2014-11-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5449626B1 (ja) | 軟窒化用鋼およびこの鋼を素材とする軟窒化部品 | |
| JP5567747B2 (ja) | 軟窒化用鋼および軟窒化部品ならびにこれらの製造方法 | |
| JP6737387B2 (ja) | 軟窒化用鋼および部品 | |
| JP5427418B2 (ja) | 軟窒化用鋼 | |
| US11959177B2 (en) | Steel for nitrocarburizing and nitrocarburized component, and methods of producing same | |
| JP2011153364A (ja) | クランクシャフトおよびその製造方法 | |
| JP5767594B2 (ja) | 窒化用鋼材およびこれを用いた窒化部材 | |
| JP5528082B2 (ja) | 軟窒化歯車 | |
| JP6225965B2 (ja) | 軟窒化用鋼および部品ならびにこれらの製造方法 | |
| JP2010189697A (ja) | クランクシャフトおよびその製造方法 | |
| JP6431456B2 (ja) | 軟窒化用鋼および部品ならびにこれらの製造方法 | |
| JP6721141B1 (ja) | 軟窒化用鋼および軟窒化部品並びにこれらの製造方法 | |
| JP2006348321A (ja) | 窒化処理用鋼 | |
| JP6477614B2 (ja) | 軟窒化用鋼および部品ならびにこれらの製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20131203 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20131224 |
|
| R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 Ref document number: 5449626 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |