DK2839048T3 - Alloy Steel - Google Patents

Alloy Steel Download PDF

Info

Publication number: DK2839048T3
Authority: DK; Denmark
Prior art keywords: weight; steel alloy; vanadium; composition; temperature
Prior art date: 2012-04-20

Application number

DK12743455.3T

Other languages

Danish (da)

English (en)

Inventor

Harshad Kumar Dharamshi Hansraj Bhadeshia

Pedro Eduardo Jose Rivera-Diaz-Del-Castillo

Erik Vegter

Blanka Szost

Original Assignee

Skf Ab

Cambridge Enterprise Ltd The Old Schools

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.)

2012-04-20

Filing date

2012-08-03

Publication date

2018-08-13

2012-08-03 Application filed by Skf Ab, Cambridge Enterprise Ltd The Old Schools filed Critical Skf Ab

2018-08-13 Application granted granted Critical

2018-08-13 Publication of DK2839048T3 publication Critical patent/DK2839048T3/en

Links

229910000851 Alloy steel Inorganic materials 0.000 claims description 47
229910045601 alloy Inorganic materials 0.000 claims description 35
239000000956 alloy Substances 0.000 claims description 35
239000000203 mixture Substances 0.000 claims description 29
238000010438 heat treatment Methods 0.000 claims description 28
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 26
229910052720 vanadium Inorganic materials 0.000 claims description 23
LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 22
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 21
229910052799 carbon Inorganic materials 0.000 claims description 21
229910001567 cementite Inorganic materials 0.000 claims description 20
KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 claims description 20
VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 13
229910052804 chromium Inorganic materials 0.000 claims description 13
239000011651 chromium Substances 0.000 claims description 13
229910052759 nickel Inorganic materials 0.000 claims description 13
229910052710 silicon Inorganic materials 0.000 claims description 13
239000010703 silicon Substances 0.000 claims description 13
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
229910052782 aluminium Inorganic materials 0.000 claims description 12
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
229910052802 copper Inorganic materials 0.000 claims description 12
239000010949 copper Substances 0.000 claims description 12
238000000034 method Methods 0.000 claims description 11
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 10
229910052750 molybdenum Inorganic materials 0.000 claims description 10
239000011733 molybdenum Substances 0.000 claims description 10
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 8
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 8
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 8
229910052748 manganese Inorganic materials 0.000 claims description 8
239000011572 manganese Substances 0.000 claims description 8
229910000734 martensite Inorganic materials 0.000 claims description 8
229910052698 phosphorus Inorganic materials 0.000 claims description 8
239000011574 phosphorus Substances 0.000 claims description 8
238000005096 rolling process Methods 0.000 claims description 7
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
239000012535 impurity Substances 0.000 claims description 6
239000001301 oxygen Substances 0.000 claims description 6
229910052760 oxygen Inorganic materials 0.000 claims description 6
WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 5
229910052742 iron Inorganic materials 0.000 claims description 4
229910052757 nitrogen Inorganic materials 0.000 claims description 4
239000002244 precipitate Substances 0.000 claims description 4
ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 3
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
229910052796 boron Inorganic materials 0.000 claims description 3
229910052791 calcium Inorganic materials 0.000 claims description 3
239000011575 calcium Substances 0.000 claims description 3
229910017052 cobalt Inorganic materials 0.000 claims description 3
239000010941 cobalt Substances 0.000 claims description 3
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
229910052758 niobium Inorganic materials 0.000 claims description 3
239000010955 niobium Substances 0.000 claims description 3
GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 3
229910052715 tantalum Inorganic materials 0.000 claims description 3
GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 3
239000010936 titanium Substances 0.000 claims description 3
229910052719 titanium Inorganic materials 0.000 claims description 3
WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
229910052721 tungsten Inorganic materials 0.000 claims description 3
239000010937 tungsten Substances 0.000 claims description 3
238000011282 treatment Methods 0.000 claims description 2
230000005070 ripening Effects 0.000 claims 2
230000035800 maturation Effects 0.000 claims 1
230000003014 reinforcing effect Effects 0.000 claims 1
229910052717 sulfur Inorganic materials 0.000 claims 1
239000011593 sulfur Substances 0.000 claims 1
239000001257 hydrogen Substances 0.000 description 34
229910052739 hydrogen Inorganic materials 0.000 description 34
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 31
229910000831 Steel Inorganic materials 0.000 description 15
239000010959 steel Substances 0.000 description 15
150000001247 metal acetylides Chemical class 0.000 description 13
239000004411 aluminium Substances 0.000 description 9
238000010791 quenching Methods 0.000 description 9
238000003917 TEM image Methods 0.000 description 8
238000003795 desorption Methods 0.000 description 8
230000000171 quenching effect Effects 0.000 description 8
239000005864 Sulphur Substances 0.000 description 7
239000002245 particle Substances 0.000 description 7
238000004458 analytical method Methods 0.000 description 5
238000004090 dissolution Methods 0.000 description 5
ZLANVVMKMCTKMT-UHFFFAOYSA-N methanidylidynevanadium(1+) Chemical class [V+]#[C-] ZLANVVMKMCTKMT-UHFFFAOYSA-N 0.000 description 5
238000005496 tempering Methods 0.000 description 5
238000004627 transmission electron microscopy Methods 0.000 description 5
CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
238000005275 alloying Methods 0.000 description 4
230000000052 comparative effect Effects 0.000 description 4
239000001307 helium Substances 0.000 description 4
229910052734 helium Inorganic materials 0.000 description 4
SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 4
238000001000 micrograph Methods 0.000 description 4
INZDTEICWPZYJM-UHFFFAOYSA-N 1-(chloromethyl)-4-[4-(chloromethyl)phenyl]benzene Chemical compound C1=CC(CCl)=CC=C1C1=CC=C(CCl)C=C1 INZDTEICWPZYJM-UHFFFAOYSA-N 0.000 description 3
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
230000032683 aging Effects 0.000 description 3
230000009286 beneficial effect Effects 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 3
238000001816 cooling Methods 0.000 description 3
238000005260 corrosion Methods 0.000 description 3
230000007797 corrosion Effects 0.000 description 3
239000007789 gas Substances 0.000 description 3
150000002431 hydrogen Chemical class 0.000 description 3
239000003921 oil Substances 0.000 description 3
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
229910000756 V alloy Inorganic materials 0.000 description 2
238000000354 decomposition reaction Methods 0.000 description 2
230000003247 decreasing effect Effects 0.000 description 2
238000007542 hardness measurement Methods 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
229910052751 metal Inorganic materials 0.000 description 2
239000002184 metal Substances 0.000 description 2
238000000879 optical micrograph Methods 0.000 description 2
238000000399 optical microscopy Methods 0.000 description 2
VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 2
BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
238000009628 steelmaking Methods 0.000 description 2
UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 2
229920001342 Bakelite® Polymers 0.000 description 1
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
238000002441 X-ray diffraction Methods 0.000 description 1
230000002411 adverse Effects 0.000 description 1
238000001389 atom probe field ion microscopy Methods 0.000 description 1
239000004637 bakelite Substances 0.000 description 1
230000005540 biological transmission Effects 0.000 description 1
239000012159 carrier gas Substances 0.000 description 1
238000005266 casting Methods 0.000 description 1
238000012512 characterization method Methods 0.000 description 1
238000010276 construction Methods 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
230000007423 decrease Effects 0.000 description 1
229910003460 diamond Inorganic materials 0.000 description 1
239000010432 diamond Substances 0.000 description 1
230000000694 effects Effects 0.000 description 1
238000005868 electrolysis reaction Methods 0.000 description 1
239000003792 electrolyte Substances 0.000 description 1
239000008151 electrolyte solution Substances 0.000 description 1
238000002003 electron diffraction Methods 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
239000011888 foil Substances 0.000 description 1
-1 for example Chemical class 0.000 description 1
238000011835 investigation Methods 0.000 description 1
230000007774 longterm Effects 0.000 description 1
239000000463 material Substances 0.000 description 1
239000011159 matrix material Substances 0.000 description 1
238000005272 metallurgy Methods 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
229910017604 nitric acid Inorganic materials 0.000 description 1
239000003208 petroleum Substances 0.000 description 1
229910052697 platinum Inorganic materials 0.000 description 1
239000000047 product Substances 0.000 description 1
238000000926 separation method Methods 0.000 description 1
239000000243 solution Substances 0.000 description 1
239000000126 substance Substances 0.000 description 1
238000012360 testing method Methods 0.000 description 1

Classifications

- 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
- C21D9/40—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rings; for bearing races
- 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
- 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
- C22C38/02—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
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
- 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
- C21D2211/004—Dispersions; Precipitations
- 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
- C21D2211/008—Martensite

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Heat Treatment Of Articles (AREA)
Heat Treatment Of Steel (AREA)

DK12743455.3T 2012-04-20 2012-08-03 Alloy Steel DK2839048T3 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
EP12165035		2012-04-20
PCT/EP2012/065224 WO2013156091A1 (fr)	2012-04-20	2012-08-03	Alliage d'acier

Publications (1)

Publication Number	Publication Date
DK2839048T3 true DK2839048T3 (en)	2018-08-13

Family

ID=46614490

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK12743455.3T DK2839048T3 (en)	2012-04-20	2012-08-03	Alloy Steel

Country Status (4)

Country	Link
EP (1)	EP2839048B1 (fr)
DK (1)	DK2839048T3 (fr)
ES (1)	ES2673695T3 (fr)
WO (1)	WO2013156091A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102015220299A1 (de) *	2014-11-21	2016-05-25	Hyundai Motor Company	Lagerstahl mit verbesserter Dauerhaltbarkeit und Verfahren zur Herstellung desselbigen
JP6703385B2 (ja) *	2015-09-18	2020-06-03	国立大学法人大阪大学	高硬度かつ靭性に優れた鋼
JP6819504B2 (ja) *	2017-07-28	2021-01-27	日本製鉄株式会社	鋼部材
EP4239085B1 (fr) *	2020-10-30	2026-05-06	NTN Corporation	Élément de roulement et roulement
CN114635091B (zh) *	2022-03-23	2022-11-25	建龙北满特殊钢有限责任公司	一种稀土铁路渗碳轴承钢新材料及制备方法
US20240183014A1 (en)	2022-12-03	2024-06-06	Arthur Craig Reardon	High Speed Steel Composition

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB190912055A (en) *	1909-05-21	1910-08-22	Vickers Sons And Maxim Ltd	Improvements relating to the Manufacture of Armour Plates and other Steel Articles.
JP4812220B2 (ja) *	2002-05-10	2011-11-09	株式会社小松製作所	高硬度高靭性鋼
DE602004020058D1 (de) *	2003-02-20	2009-04-30	Nippon Steel Corp	Hochfestes stahlprodukt mit hervorragender beständigkeit gegen wasserstoffversprödung
JP2005290496A (ja) *	2004-04-01	2005-10-20	Ntn Corp	転動部品および転がり軸受
JP2006213981A (ja) *	2005-02-04	2006-08-17	Ntn Corp	耐水素脆性に優れた耐環境用軸受鋼

2012
- 2012-08-03 DK DK12743455.3T patent/DK2839048T3/en active
- 2012-08-03 WO PCT/EP2012/065224 patent/WO2013156091A1/fr not_active Ceased
- 2012-08-03 ES ES12743455.3T patent/ES2673695T3/es active Active
- 2012-08-03 EP EP12743455.3A patent/EP2839048B1/fr active Active

Also Published As

Publication number	Publication date
ES2673695T3 (es)	2018-06-25
WO2013156091A1 (fr)	2013-10-24
EP2839048A1 (fr)	2015-02-25
EP2839048B1 (fr)	2018-05-02

Publication	Publication Date	Title
KR101322534B1 (ko)	2013-10-28	내지연파괴 특성이 우수한 고강도 강재와 고강도 볼트 및 그 제조 방법
KR101366375B1 (ko)	2014-02-24	내지연 파괴 특성이 우수한 고강도 강재와 고강도 볼트 및 그 제조 방법
CN113383094B (zh)	2023-08-15	螺栓以及螺栓用钢材
JP6088252B2 (ja)	2017-03-01	ボルトおよびボルトの製造方法
US9028746B2 (en)	2015-05-12	Build-up welding material, deposited metal, and member with deposited metal
DK2839048T3 (en)	2018-08-13	Alloy Steel
RU2710808C1 (ru)	2020-01-14	Стальной сортовой прокат для скважинного элемента и скважинный элемент
EP3093361B1 (fr)	2019-07-17	Pièce de palier, acier pour pièce de palier, et son procédé de production
EP2762587B1 (fr)	2016-07-13	Lingot pour roulement et procédé de production
JP5760972B2 (ja)	2015-08-12	耐遅れ破壊特性に優れた高強度ボルト鋼および高強度ボルト
RU2698006C1 (ru)	2019-08-21	Стальной материал и стальная труба для нефтяных скважин
JP5251632B2 (ja)	2013-07-31	耐遅れ破壊特性に優れた高強度鋼材、高強度ボルト及びその製造方法
WO2012029212A1 (fr)	2012-03-08	Acier à coussinets et matériau en lingot pour coussinet ayant des caractéristiques de longévité à la fatigue au roulement élevées et leur procédé de fabrication
JP2020190027A (ja)	2020-11-26	ボルト、及びボルト用鋼材
Kumar et al.	2000	Premature fatigue failure of a spring due to quench cracks
JP5600502B2 (ja)	2014-10-01	ボルト用鋼、ボルトおよびボルトの製造方法
WO2014056726A1 (fr)	2014-04-17	Alliage d'acier pour roulement résistant à la fragilisation par l'hydrogène
JP5402711B2 (ja)	2014-01-29	浸炭窒化層を有する鋼製品およびその製造方法
WO2014121836A1 (fr)	2014-08-14	Acier à roulements
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