GB1166709A - Spheroidal Graphite Cast Iron and its Heat Treatment - Google Patents
Spheroidal Graphite Cast Iron and its Heat TreatmentInfo
- Publication number
- GB1166709A GB1166709A GB57138/67A GB5713867A GB1166709A GB 1166709 A GB1166709 A GB 1166709A GB 57138/67 A GB57138/67 A GB 57138/67A GB 5713867 A GB5713867 A GB 5713867A GB 1166709 A GB1166709 A GB 1166709A
- Authority
- GB
- United Kingdom
- Prior art keywords
- iron
- cast iron
- spheroidal graphite
- graphite cast
- dec
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/04—Cast-iron alloys containing spheroidal graphite
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
1,166,709. Heat-treating cast iron. INTERNATIONAL NICKEL Ltd. Dec.15, 1967 [Dec.15, 1966], No.57138/67. Heading C7A. An austenitic spheroidal graphite cast iron casting containing by weight:- such that the sum % Cr + (0.7 x %Mo) + (0À5 x %W) = 0À2 to 2À5, Mg up to 0À15%, Cu 0 to 6%, with, if Cu present, a rare earth metal, Fe and impurities as balance, is heated at 870-982‹ C. for 1-4 hours, cooled to room temperature and then refrigerated at -40 to -100‹C. for at least 1 hour, e.g. in a solid CO 2 - alcohol bath, to produce a martensitic structure, and re-heated to at least 593‹C. e.g. up to 870‹C., to re-austenitise the iron, for improving the strength of the casting. The composition of the iron and the refrigeration temperature are correlated by a specified formula. The iron castings are useful for ship board fittings, turbine castings, pump casings and impellers, valves and pipe joints, and diesel engine cylinder liners. Specifications 723, 992; 718,177; 688,588; and 630, 070 are referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US60184466A | 1966-12-15 | 1966-12-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1166709A true GB1166709A (en) | 1969-10-08 |
Family
ID=24408989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB57138/67A Expired GB1166709A (en) | 1966-12-15 | 1967-12-15 | Spheroidal Graphite Cast Iron and its Heat Treatment |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3485683A (en) |
| BE (1) | BE708065A (en) |
| GB (1) | GB1166709A (en) |
| NL (1) | NL6716911A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2529910A1 (en) * | 1982-07-07 | 1984-01-13 | Inst Litia Akademii | Corrosion-resistant cast iron |
| US20150233074A1 (en) * | 2013-08-28 | 2015-08-20 | Pei Yu | Nodular cast iron foundation pile pipe and a method for preparing same |
| WO2018036757A1 (en) * | 2016-08-24 | 2018-03-01 | Continental Automotive Gmbh | Iron material for high-temperature-resistant bearing bushings, bearing bushing made of said material, and turbocharger having such a bearing bushing |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4484988A (en) * | 1981-12-09 | 1984-11-27 | Richmond Metal Finishers, Inc. | Process for providing metallic articles and the like with wear-resistant coatings |
| JPS619550A (en) * | 1984-06-22 | 1986-01-17 | Ebara Corp | Apparatus made of austenite cast iron having resistance to stress corrosion cracking |
| JPS63143208A (en) * | 1986-12-06 | 1988-06-15 | Nippon Piston Ring Co Ltd | Production of iron sintered parts |
| DE10103896A1 (en) * | 2001-01-30 | 2002-08-08 | Mahle Gmbh | Process for the pretreatment of a ring carrier before the finishing |
| DE102004040359B4 (en) * | 2004-08-20 | 2011-06-16 | Helmut Bälz GmbH | control valve |
| CN101858272B (en) * | 2009-04-07 | 2011-10-19 | 广西玉柴机器股份有限公司 | Diesel engine cylinder block of sedan and casting method thereof |
| US8372335B2 (en) * | 2010-01-14 | 2013-02-12 | Honeywell International Inc. | Austenitic ductile cast iron |
| CN109837453B (en) * | 2019-04-16 | 2020-05-22 | 郑州大学 | Manufacturing method of working platform of planer |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2567791A (en) * | 1949-08-10 | 1951-09-11 | Int Nickel Co | Method of heat-treating gray cast iron |
| US3314831A (en) * | 1961-10-26 | 1967-04-18 | North American Aviation Inc | Heat treatment for precipitationhardening steels |
| US3258370A (en) * | 1964-07-27 | 1966-06-28 | Int Nickel Co | High strength, notch ductile stainless steel products |
-
1966
- 1966-12-15 US US601844A patent/US3485683A/en not_active Expired - Lifetime
-
1967
- 1967-12-12 NL NL6716911A patent/NL6716911A/xx unknown
- 1967-12-15 GB GB57138/67A patent/GB1166709A/en not_active Expired
- 1967-12-15 BE BE708065D patent/BE708065A/xx unknown
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2529910A1 (en) * | 1982-07-07 | 1984-01-13 | Inst Litia Akademii | Corrosion-resistant cast iron |
| US20150233074A1 (en) * | 2013-08-28 | 2015-08-20 | Pei Yu | Nodular cast iron foundation pile pipe and a method for preparing same |
| WO2018036757A1 (en) * | 2016-08-24 | 2018-03-01 | Continental Automotive Gmbh | Iron material for high-temperature-resistant bearing bushings, bearing bushing made of said material, and turbocharger having such a bearing bushing |
| US11111819B2 (en) | 2016-08-24 | 2021-09-07 | Cpt Group Gmbh | Iron material for high-temperature-resistant bearing bushings, bearing bushing made of said material, and turbocharger having such a bearing bushing |
Also Published As
| Publication number | Publication date |
|---|---|
| BE708065A (en) | 1968-06-17 |
| NL6716911A (en) | 1968-06-17 |
| US3485683A (en) | 1969-12-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |