IT1112992B - STEEL, HIGH MECHANICAL RESISTANCE, MANUFACTURED BY THEM PREPARED AND PROCESS FOR THEIR PREPARATION - Google Patents
STEEL, HIGH MECHANICAL RESISTANCE, MANUFACTURED BY THEM PREPARED AND PROCESS FOR THEIR PREPARATIONInfo
- Publication number
- IT1112992B IT1112992B IT21467/79A IT2146779A IT1112992B IT 1112992 B IT1112992 B IT 1112992B IT 21467/79 A IT21467/79 A IT 21467/79A IT 2146779 A IT2146779 A IT 2146779A IT 1112992 B IT1112992 B IT 1112992B
- Authority
- IT
- Italy
- Prior art keywords
- manufactured
- steel
- prepared
- preparation
- high mechanical
- Prior art date
Links
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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
- C21D1/20—Isothermal quenching, e.g. bainitic hardening
-
- 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- 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
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2817628A DE2817628C2 (en) | 1978-04-21 | 1978-04-21 | Tough, high-strength steel alloys and processes for making such workpieces |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7921467A0 IT7921467A0 (en) | 1979-03-30 |
IT1112992B true IT1112992B (en) | 1986-01-20 |
Family
ID=6037726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21467/79A IT1112992B (en) | 1978-04-21 | 1979-03-30 | STEEL, HIGH MECHANICAL RESISTANCE, MANUFACTURED BY THEM PREPARED AND PROCESS FOR THEIR PREPARATION |
Country Status (22)
Country | Link |
---|---|
JP (1) | JPS54141313A (en) |
AT (1) | AT393279B (en) |
AU (1) | AU527551B2 (en) |
BE (1) | BE875730A (en) |
BR (1) | BR7902454A (en) |
CA (1) | CA1137337A (en) |
CH (1) | CH646199A5 (en) |
CS (1) | CS211362B2 (en) |
DE (1) | DE2817628C2 (en) |
DK (1) | DK155053C (en) |
ES (1) | ES479774A1 (en) |
FI (1) | FI69121C (en) |
FR (1) | FR2423549B1 (en) |
GB (1) | GB2019436B (en) |
IT (1) | IT1112992B (en) |
NL (1) | NL191388C (en) |
NO (1) | NO153933C (en) |
PL (1) | PL136257B1 (en) |
SE (1) | SE449229B (en) |
SU (1) | SU1232147A3 (en) |
YU (1) | YU40746B (en) |
ZA (1) | ZA791422B (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1980001083A1 (en) * | 1978-11-15 | 1980-05-29 | Caterpillar Tractor Co | Lower bainite alloy steel article and method of making same |
JPS5970724A (en) * | 1982-10-15 | 1984-04-21 | Seiko Instr & Electronics Ltd | Rolled hot-forged thread |
JPS61130456A (en) * | 1984-11-29 | 1986-06-18 | Honda Motor Co Ltd | High-strength bolt and its production |
JPH01268245A (en) * | 1988-04-19 | 1989-10-25 | Fujitsu Ltd | Changeover control circuit |
US4960473A (en) * | 1989-10-02 | 1990-10-02 | The Goodyear Tire & Rubber Company | Process for manufacturing steel filament |
SE510344C2 (en) * | 1997-08-01 | 1999-05-17 | Ovako Steel Ab | Way for complete bainite hardening of steel |
NL1011806C2 (en) * | 1999-04-15 | 2000-10-17 | Skf Engineering & Res Services | Ball bearing steel with a surface with an underbainitic structure and a method of manufacturing it. |
DE202005015611U1 (en) * | 2005-09-30 | 2005-12-29 | Textron Verbindungstechnik Gmbh & Co. Ohg | Bolts or screws with high rigidity are made from steel wire by hot rolling and cooling glowing product by blowing on air, then rolling out and cold-forming to produce head and thread |
FR2916371B1 (en) * | 2007-05-24 | 2010-02-26 | Fwu Kuang Entpr Co Ltd | PROCESS FOR PREPARING FORGED PARTS HAVING EXCELLENT TRACTION RESISTANCE AND ELONGATION FROM STEEL MAMINERY WIRES |
DE102008041391A1 (en) * | 2008-08-20 | 2010-01-14 | Kamax-Werke Rudolf Kellermann Gmbh & Co. Kg | High strength bolt has bainite structure produced by austempering which extends across whole cross-section of the bolt and increases its tensile strength |
WO2011023988A2 (en) * | 2009-08-24 | 2011-03-03 | The Secretary Of State For Defence | Armour |
DE102011054840A1 (en) | 2011-10-26 | 2013-05-02 | Rud Ketten Rieger & Dietz Gmbh U. Co. Kg | Hardening steel for grade 8 and higher hoisting, lifting, tensioning and / or lashing equipment, lifting, lifting, tensioning and / or lashing equipment, and method of making such a component |
DE102011055497A1 (en) | 2011-11-18 | 2013-05-23 | Kamax Holding Gmbh & Co. Kg | Ultra-high-strength screw with high yield ratio |
KR101751530B1 (en) * | 2015-12-28 | 2017-06-27 | 주식회사 포스코 | Steel sheet for tool and method of manufacturing for the same |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB517118A (en) * | 1938-07-13 | 1940-01-22 | Ver Oberschlesische Huttenwerk | Improvements in and relating to improved steels and the application thereof |
DE973413C (en) * | 1944-05-31 | 1960-02-11 | Gussstahlwerk Witten Ag | Process to achieve a hardness of at least 54RC with high impact resistance |
US2914401A (en) * | 1958-02-24 | 1959-11-24 | Crucible Steel Co America | Alloy steel |
US3155550A (en) * | 1961-09-15 | 1964-11-03 | United States Steel Corp | Heat treatment of chromium-free steel bearings |
DE1558505A1 (en) * | 1967-01-23 | 1970-04-16 | Hilti Ag | Anchoring means |
SE342475B (en) * | 1969-03-31 | 1972-02-07 | Sandvikens Jernverks Ab |
-
1978
- 1978-04-21 DE DE2817628A patent/DE2817628C2/en not_active Expired
-
1979
- 1979-02-28 FI FI790666A patent/FI69121C/en not_active IP Right Cessation
- 1979-03-07 NL NL7901840A patent/NL191388C/en not_active IP Right Cessation
- 1979-03-15 CS CS791731A patent/CS211362B2/en unknown
- 1979-03-20 GB GB7909840A patent/GB2019436B/en not_active Expired
- 1979-03-26 ZA ZA791422A patent/ZA791422B/en unknown
- 1979-03-30 IT IT21467/79A patent/IT1112992B/en active
- 1979-03-30 AU AU45625/79A patent/AU527551B2/en not_active Expired
- 1979-04-02 AT AT2419/79A patent/AT393279B/en not_active IP Right Cessation
- 1979-04-02 CH CH305179A patent/CH646199A5/en not_active IP Right Cessation
- 1979-04-04 YU YU802/79A patent/YU40746B/en unknown
- 1979-04-12 CA CA000325474A patent/CA1137337A/en not_active Expired
- 1979-04-19 SE SE7903448A patent/SE449229B/en not_active IP Right Cessation
- 1979-04-19 FR FR7909853A patent/FR2423549B1/en not_active Expired
- 1979-04-19 NO NO791296A patent/NO153933C/en unknown
- 1979-04-20 SU SU792753403A patent/SU1232147A3/en active
- 1979-04-20 BR BR7902454A patent/BR7902454A/en unknown
- 1979-04-20 JP JP4809679A patent/JPS54141313A/en active Granted
- 1979-04-20 DK DK162779A patent/DK155053C/en not_active IP Right Cessation
- 1979-04-20 PL PL1979215033A patent/PL136257B1/en unknown
- 1979-04-20 ES ES479774A patent/ES479774A1/en not_active Expired
- 1979-04-20 BE BE0/194732A patent/BE875730A/en not_active IP Right Cessation
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Legal Events
Date | Code | Title | Description |
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TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19940210 |