DE3507785C2 - Verfahren zur Herstellung von Lagerstahl - Google Patents
Verfahren zur Herstellung von LagerstahlInfo
- Publication number
- DE3507785C2 DE3507785C2 DE3507785A DE3507785A DE3507785C2 DE 3507785 C2 DE3507785 C2 DE 3507785C2 DE 3507785 A DE3507785 A DE 3507785A DE 3507785 A DE3507785 A DE 3507785A DE 3507785 C2 DE3507785 C2 DE 3507785C2
- Authority
- DE
- Germany
- Prior art keywords
- steel
- manganese
- chromium
- silicon
- carbon
- 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.)
- Expired - Lifetime
Links
- 229910000831 Steel Inorganic materials 0.000 title claims description 113
- 239000010959 steel Substances 0.000 title claims description 113
- 238000004519 manufacturing process Methods 0.000 title claims description 16
- 238000000034 method Methods 0.000 title claims description 13
- 239000011651 chromium Substances 0.000 claims description 18
- 229910052799 carbon Inorganic materials 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
- 229910052804 chromium Inorganic materials 0.000 claims description 15
- 229910052710 silicon Inorganic materials 0.000 claims description 15
- 239000010703 silicon Substances 0.000 claims description 14
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 13
- 239000010936 titanium Substances 0.000 claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 239000011572 manganese Substances 0.000 claims description 11
- 239000002893 slag Substances 0.000 claims description 10
- 229910052748 manganese Inorganic materials 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 229910052698 phosphorus Inorganic materials 0.000 claims description 8
- 229910052717 sulfur Inorganic materials 0.000 claims description 8
- 229910052719 titanium Inorganic materials 0.000 claims description 8
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 239000011574 phosphorus Substances 0.000 claims description 6
- 239000011593 sulfur Substances 0.000 claims description 6
- 229910052593 corundum Inorganic materials 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 239000011733 molybdenum Substances 0.000 claims description 4
- 239000010955 niobium Substances 0.000 claims description 4
- 238000009849 vacuum degassing Methods 0.000 claims description 4
- 229910052681 coesite Inorganic materials 0.000 claims description 3
- 229910052906 cristobalite Inorganic materials 0.000 claims description 3
- 238000007872 degassing Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
- 229910052682 stishovite Inorganic materials 0.000 claims description 3
- 229910052905 tridymite Inorganic materials 0.000 claims description 3
- 229910052758 niobium Inorganic materials 0.000 claims description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 2
- 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 6
- 239000012535 impurity Substances 0.000 claims 3
- 239000000470 constituent Substances 0.000 claims 1
- 238000011109 contamination Methods 0.000 claims 1
- 230000001590 oxidative effect Effects 0.000 claims 1
- 238000007670 refining Methods 0.000 claims 1
- 238000005096 rolling process Methods 0.000 description 7
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 150000001247 metal acetylides Chemical class 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/62—Selection of substances
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2204/00—Metallic materials; Alloys
- F16C2204/60—Ferrous alloys, e.g. steel alloys
- F16C2204/66—High carbon steel, i.e. carbon content above 0.8 wt%, e.g. through-hardenable steel
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Sliding-Contact Bearings (AREA)
- Rolling Contact Bearings (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59050073A JPS60194047A (ja) | 1984-03-14 | 1984-03-14 | 高品質軸受鋼およびその製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3507785A1 DE3507785A1 (de) | 1985-09-19 |
| DE3507785C2 true DE3507785C2 (de) | 1996-07-04 |
Family
ID=12848823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3507785A Expired - Lifetime DE3507785C2 (de) | 1984-03-14 | 1985-03-05 | Verfahren zur Herstellung von Lagerstahl |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US4642219A (enExample) |
| JP (1) | JPS60194047A (enExample) |
| DE (1) | DE3507785C2 (enExample) |
| GB (1) | GB2155951B (enExample) |
| SE (1) | SE460058B (enExample) |
Families Citing this family (47)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6263650A (ja) * | 1985-09-13 | 1987-03-20 | Aichi Steel Works Ltd | 軸受鋼およびその製造法 |
| JPS62170460A (ja) * | 1986-01-21 | 1987-07-27 | Honda Motor Co Ltd | 高強度弁ばね用鋼及びその製造方法 |
| JPH0633441B2 (ja) * | 1986-03-19 | 1994-05-02 | エヌティエヌ株式会社 | 軸受軌道輪 |
| JP2669419B2 (ja) * | 1986-09-02 | 1997-10-27 | 大同特殊鋼株式会社 | 耐熱軸受用鋼 |
| JPS63143239A (ja) * | 1986-12-05 | 1988-06-15 | Hitachi Metals Ltd | 耐食、耐摩軸受用鋼 |
| JPH0762166B2 (ja) * | 1986-12-24 | 1995-07-05 | 大同特殊鋼株式会社 | 鋼の精錬方法 |
| JPH01255650A (ja) * | 1988-04-05 | 1989-10-12 | Koyo Seiko Co Ltd | 高炭素クロム系軸受鋼 |
| JPH01306542A (ja) * | 1988-05-31 | 1989-12-11 | Sanyo Special Steel Co Ltd | 介在物組成を制御した軸受用鋼 |
| JP2885829B2 (ja) * | 1988-07-11 | 1999-04-26 | 日本精工株式会社 | 転がり軸受 |
| US4992111A (en) * | 1988-08-15 | 1991-02-12 | N.T.N. Corporation | Bearing race member and method of fabrication |
| JP2726440B2 (ja) * | 1988-08-16 | 1998-03-11 | 株式会社神戸製鋼所 | 加工性に優れ、かつ球状化焼鈍処理を簡略化または省略可能な軸受用鋼 |
| GB2225022B (en) * | 1988-11-04 | 1993-04-14 | Nippon Seiko Kk | Rolling-part steel and rolling part employing same |
| JP2657420B2 (ja) * | 1989-07-21 | 1997-09-24 | 日本精工株式会社 | 転がり軸受 |
| JP2522457B2 (ja) * | 1989-09-19 | 1996-08-07 | 住友金属工業株式会社 | 冷間転造に適した軸受レ―ス用鋼管 |
| US5167727A (en) * | 1989-10-02 | 1992-12-01 | The Goodyear Tire & Rubber Company | Alloy steel tire cord and its heat treatment process |
| US5229069A (en) * | 1989-10-02 | 1993-07-20 | The Goodyear Tire & Rubber Company | High strength alloy steels for tire reinforcement |
| US5066455A (en) * | 1989-10-02 | 1991-11-19 | The Goodyear Tire & Rubber Company | Alloy steel wires suitable for tire cord applications |
| JPH03146639A (ja) * | 1989-10-31 | 1991-06-21 | Ntn Corp | 冷間ローリング加工用軸受鋼 |
| EP0458646B1 (en) * | 1990-05-23 | 1997-09-10 | Aichi Steel Works, Ltd. | Bearing steel |
| JP2876715B2 (ja) * | 1990-06-04 | 1999-03-31 | 日本精工株式会社 | 転がり軸受 |
| JPH04280941A (ja) * | 1991-03-08 | 1992-10-06 | Nippon Seiko Kk | 転動部品用鋼および転動部品 |
| JP3725179B2 (ja) * | 1991-07-18 | 2005-12-07 | 日本精工株式会社 | 転がり軸受の製造方法 |
| US5385412A (en) * | 1991-09-20 | 1995-01-31 | Nsk Ltd. | Rolling bearing |
| US5282689A (en) * | 1991-09-20 | 1994-02-01 | Nsk Ltd. | Rolling bearing |
| SE501382C2 (sv) * | 1992-05-27 | 1995-01-30 | Skf Ab | Stål för kul- och rullager |
| JP3232664B2 (ja) * | 1992-07-08 | 2001-11-26 | 日本精工株式会社 | 転がり軸受 |
| JP3303176B2 (ja) * | 1993-12-27 | 2002-07-15 | 光洋精工株式会社 | 軸受部品 |
| JP3556968B2 (ja) * | 1994-06-16 | 2004-08-25 | 新日本製鐵株式会社 | 高炭素系高寿命軸受鋼 |
| JP3422094B2 (ja) * | 1994-10-14 | 2003-06-30 | 日本精工株式会社 | 転がり軸受 |
| JP3512873B2 (ja) * | 1994-11-24 | 2004-03-31 | 新日本製鐵株式会社 | 高寿命高周波焼入れ軸受鋼 |
| JP3565960B2 (ja) * | 1995-11-01 | 2004-09-15 | 山陽特殊製鋼株式会社 | 軸受用鋼、軸受および転がり軸受 |
| US6187261B1 (en) * | 1996-07-09 | 2001-02-13 | Modern Alloy Company L.L.C. | Si(Ge)(-) Cu(-)V Universal alloy steel |
| JPH1046286A (ja) * | 1996-07-26 | 1998-02-17 | Nippon Seiko Kk | 転がり軸受 |
| US6099797A (en) * | 1996-09-04 | 2000-08-08 | The Goodyear Tire & Rubber Company | Steel tire cord with high tensile strength |
| DE19710333A1 (de) * | 1997-03-13 | 1998-09-17 | Univ Dresden Tech | Wälzlagerstahl mit einer verzögert einsetzenden Rekristallisation des Austenits |
| EP1038985A4 (en) * | 1998-07-17 | 2003-04-02 | Sumitomo Metal Ind | PURE STEEL |
| JP2001193743A (ja) * | 1999-11-02 | 2001-07-17 | Nsk Ltd | 転がり軸受 |
| DE10015527A1 (de) | 2000-03-30 | 2001-10-04 | Wedeco Ag | Verfahren und Vorrichtung zum Betrieb einer UV-Strahlenquelle |
| NL1014946C2 (nl) * | 2000-04-13 | 2001-10-16 | Skf Eng & Res Centre Bv | Werkwijze voor het vervaardigen van een onderdeel van een wentellager. |
| US7435308B2 (en) | 2005-05-27 | 2008-10-14 | Nsk Ltd. | Rolling bearing |
| JP4257368B2 (ja) * | 2007-06-05 | 2009-04-22 | 株式会社神戸製鋼所 | 高清浄度鋼の製造方法 |
| JP5459756B2 (ja) * | 2008-02-19 | 2014-04-02 | Ｎｔｎ株式会社 | ローラフォロアおよび動弁装置 |
| US20120063944A1 (en) * | 2009-05-20 | 2012-03-15 | Thore Lund | Bearing component |
| JP5940063B2 (ja) * | 2010-07-02 | 2016-06-29 | アクティエボラゲット・エスコーエッフ | フラッシュバット溶接軸受構成要素 |
| CN106591697A (zh) * | 2016-11-09 | 2017-04-26 | 安徽千禧精密轴承制造有限公司 | 一种轴承合金钢和热处理方法 |
| CN106435394A (zh) * | 2016-11-09 | 2017-02-22 | 安徽千禧精密轴承制造有限公司 | 一种耐磨耐高温轴承钢 |
| CN115637378B (zh) * | 2021-07-20 | 2024-01-09 | 宝山钢铁股份有限公司 | 一种滚动体用轴承钢及其制造方法 |
Family Cites Families (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD54111A (enExample) * | ||||
| DE1214413B (de) * | 1959-04-10 | 1966-04-14 | Clevite Corp | Verwendung einer Stahllegierung als Werkstoff fuer Gleitanordnungen |
| LU37966A1 (enExample) * | 1959-11-23 | |||
| US3131097A (en) * | 1962-02-23 | 1964-04-28 | Gen Motors Corp | Heat treatment of bearing steel to eliminate retained austenite |
| US3467167A (en) * | 1966-09-19 | 1969-09-16 | Kaiser Ind Corp | Process for continuously casting oxidizable metals |
| DE1558505A1 (de) * | 1967-01-23 | 1970-04-16 | Hilti Ag | Verankerungsmittel |
| DE1292692B (de) * | 1967-10-26 | 1969-04-17 | Edelstahlwerk 8 Mai 1945 Veb | Vorrichtung zum Umschmelzen von Metallen nach dem Elektroschlackeumschmelzverfahren |
| US3586546A (en) * | 1968-07-29 | 1971-06-22 | Textron Inc | Method for determining optimum fatigue life of bearing steels |
| FR2032162A5 (enExample) * | 1969-02-20 | 1970-11-20 | Roulements Soc Nouvelle | |
| US3595707A (en) * | 1969-06-09 | 1971-07-27 | Ford Motor Co | Forged anti-friction bearing component manufacture |
| US3595706A (en) * | 1969-06-09 | 1971-07-27 | Ford Motor Co | Forged fine carbide anti-friction bearing component manufacture |
| US3595711A (en) * | 1969-06-09 | 1971-07-27 | Ford Motor Co | Antifriction bearing component manufacture |
| US3632096A (en) * | 1969-07-11 | 1972-01-04 | Republic Steel Corp | Apparatus and process for deslagging steel |
| GB1364235A (en) * | 1970-06-16 | 1974-08-21 | Apv Paramount Ltd | Process for making tool steels or alloys as part of the manufactu re of a cutting tool |
| DE2031519C2 (de) * | 1970-06-25 | 1987-08-20 | Moskovskij večernyj metallurgičeskij institut, Moskva | Wälzlager |
| US3663314A (en) * | 1970-10-14 | 1972-05-16 | Kaizo Monma | Bearing steel composition |
| US3712808A (en) * | 1971-11-26 | 1973-01-23 | Carpenter Technology Corp | Deep hardening steel |
| US3929523A (en) * | 1972-10-16 | 1975-12-30 | Nippon Steel Corp | Steel suitable for use as rolling elements |
| DE2251894B2 (de) * | 1972-10-23 | 1976-12-30 | Nippon Seiko KJC., Tokio | Waelzlagerteil |
| FR2204191A5 (en) * | 1972-10-23 | 1974-05-17 | Nippon Seiko Kk | Steel for roller components - with 15-80 volume % quasi-carbide dispersed in martensite matrix of surface layer |
| US4023988A (en) * | 1976-02-02 | 1977-05-17 | Ford Motor Company | Heat treatment for ball bearing steel to improve resistance to rolling contact fatigue |
| DE2715077C3 (de) * | 1977-04-04 | 1980-01-03 | Doneckij Nautschno-Issledovatelskij Institut Tschernoj Metallurgii, Donezk (Sowjetunion) | Exothermes Gemisch zum Frischen von Stahlschmelzen |
| JPS5440226A (en) * | 1977-09-05 | 1979-03-29 | Sumitomo Metal Ind Ltd | Spheroidizing heat treatment method for high carbon- chromium-molybdenum bearing steel |
| JPS54125115A (en) * | 1978-03-24 | 1979-09-28 | Japan Steel Works Ltd | Rephosphorization preventing method of electric furnace steel |
| JPS5541910A (en) * | 1978-09-14 | 1980-03-25 | Kawasaki Steel Corp | High carbon chromium bearing steel of long life |
| US4295882A (en) * | 1978-10-24 | 1981-10-20 | Nippon Steel Corporation | Steel making process |
| JPS55145158A (en) * | 1979-04-28 | 1980-11-12 | Daido Steel Co Ltd | Free cutting bearing steel and its manufacture |
| JPS5929646B2 (ja) * | 1979-07-19 | 1984-07-21 | 山陽特殊製鋼株式会社 | ころがり軸受用鋼の製造方法 |
| JPS601933B2 (ja) * | 1980-08-29 | 1985-01-18 | 山陽特殊製鋼株式会社 | 軸受鋼鋼管の製造方法 |
| AU532932B2 (en) * | 1981-03-30 | 1983-10-20 | Nippon Steel Corporation | Post-refining of basic oxygen steel |
| JPS58174551A (ja) * | 1982-04-03 | 1983-10-13 | Sumitomo Electric Ind Ltd | ボロン含有鋼およびその製造方法 |
| JPS59173246A (ja) * | 1983-03-23 | 1984-10-01 | Daido Steel Co Ltd | 高強度耐候性ばね用鋼 |
| DE3335224A1 (de) * | 1983-09-29 | 1985-05-02 | Thyssen Edelstahlwerke AG, 4000 Düsseldorf | Stahl fuer hoher flaechenpressung ausgesetzte gegenstaende, wie waelzlager |
| US4581079A (en) * | 1985-03-27 | 1986-04-08 | Amax Inc. | Bearing steel |
-
1984
- 1984-03-14 JP JP59050073A patent/JPS60194047A/ja active Granted
-
1985
- 1985-03-01 SE SE8501011A patent/SE460058B/sv not_active IP Right Cessation
- 1985-03-04 US US06/707,820 patent/US4642219A/en not_active Expired - Lifetime
- 1985-03-05 GB GB08505647A patent/GB2155951B/en not_active Expired
- 1985-03-05 DE DE3507785A patent/DE3507785C2/de not_active Expired - Lifetime
-
1986
- 1986-07-07 US US06/882,383 patent/US4702767A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB8505647D0 (en) | 1985-04-03 |
| SE460058B (sv) | 1989-09-04 |
| DE3507785A1 (de) | 1985-09-19 |
| JPS60194047A (ja) | 1985-10-02 |
| US4702767A (en) | 1987-10-27 |
| US4642219A (en) | 1987-02-10 |
| SE8501011L (sv) | 1985-09-15 |
| SE8501011D0 (sv) | 1985-03-01 |
| GB2155951A (en) | 1985-10-02 |
| JPH045742B2 (enExample) | 1992-02-03 |
| GB2155951B (en) | 1988-05-25 |
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