BR8204440A - Barra de trituracao processo de tabricacao de barras tratadas termicamente e processo para tempera variavel de um artigo metalico alongado - Google Patents
Barra de trituracao processo de tabricacao de barras tratadas termicamente e processo para tempera variavel de um artigo metalico alongadoInfo
- Publication number
- BR8204440A BR8204440A BR8204440A BR8204440A BR8204440A BR 8204440 A BR8204440 A BR 8204440A BR 8204440 A BR8204440 A BR 8204440A BR 8204440 A BR8204440 A BR 8204440A BR 8204440 A BR8204440 A BR 8204440A
- Authority
- BR
- Brazil
- Prior art keywords
- bar
- elonged
- variable temperature
- tabling
- metal item
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0075—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rods of limited length
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S148/00—Metal treatment
- Y10S148/902—Metal treatment having portions of differing metallurgical properties or characteristics
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
- Crushing And Pulverization Processes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/295,685 US4589934A (en) | 1981-08-24 | 1981-08-24 | Grinding rod and method for production thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8204440A true BR8204440A (pt) | 1983-07-19 |
Family
ID=23138799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8204440A BR8204440A (pt) | 1981-08-24 | 1982-07-29 | Barra de trituracao processo de tabricacao de barras tratadas termicamente e processo para tempera variavel de um artigo metalico alongado |
Country Status (8)
Country | Link |
---|---|
US (1) | US4589934A (pt) |
JP (1) | JPS5834161A (pt) |
AU (1) | AU559926B2 (pt) |
BR (1) | BR8204440A (pt) |
CA (1) | CA1201961A (pt) |
FI (1) | FI75103C (pt) |
SE (1) | SE461224B (pt) |
ZA (1) | ZA823762B (pt) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4840686A (en) * | 1988-04-06 | 1989-06-20 | Armco Inc. | Bainitic core grinding rod |
FR2682685B1 (fr) * | 1991-10-17 | 1994-10-07 | Creusot Loire | Procede de fabrication d'une piece massive en acier telle qu'une tole epaisse a fort gradient de durete suivant son epaisseur et tole epaisse a fort gradient de durete. |
US5865385A (en) * | 1997-02-21 | 1999-02-02 | Arnett; Charles R. | Comminuting media comprising martensitic/austenitic steel containing retained work-transformable austenite |
US5902423A (en) * | 1998-03-16 | 1999-05-11 | Stelco Inc. | Heat treatment of grinding rod |
US5972135A (en) * | 1998-06-03 | 1999-10-26 | Stelco Inc. | Stress relieved grinding rod having hard outer shell |
US6074765A (en) * | 1998-06-03 | 2000-06-13 | Stelco Inc. | Grinding rod chemistry and method of heat treatment to enhance wearability |
JP2003076275A (ja) * | 2001-09-07 | 2003-03-14 | Wayoo Kk | ボトル用表示装置 |
CN103443302B (zh) * | 2011-03-18 | 2015-04-15 | 新日铁住金株式会社 | 钢管的淬火方法 |
JP6724617B2 (ja) * | 2016-07-14 | 2020-07-15 | 日本製鉄株式会社 | 鋼管の製造方法及び焼入れ装置 |
RU2731994C1 (ru) * | 2020-03-11 | 2020-09-09 | федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский горный университет" | Способ изготовления молотка дробилки |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3533261A (en) * | 1967-06-15 | 1970-10-13 | Frans Hollander | Method and a device for cooling hot-rolled metal strip on a run-out table after being rolled |
US3756870A (en) * | 1971-05-10 | 1973-09-04 | Park Ohio Industries Inc | Induction heating method of case hardening carbon steel rod |
-
1981
- 1981-08-24 US US06/295,685 patent/US4589934A/en not_active Expired - Lifetime
-
1982
- 1982-05-25 CA CA000403629A patent/CA1201961A/en not_active Expired
- 1982-05-25 AU AU84159/82A patent/AU559926B2/en not_active Expired
- 1982-05-28 ZA ZA823762A patent/ZA823762B/xx unknown
- 1982-06-21 JP JP57105578A patent/JPS5834161A/ja active Granted
- 1982-07-29 BR BR8204440A patent/BR8204440A/pt not_active IP Right Cessation
- 1982-08-03 FI FI822702A patent/FI75103C/fi not_active IP Right Cessation
- 1982-08-23 SE SE8204807A patent/SE461224B/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SE8204807D0 (sv) | 1982-08-23 |
FI822702A0 (fi) | 1982-08-03 |
US4589934A (en) | 1986-05-20 |
JPH0426903B2 (pt) | 1992-05-08 |
AU8415982A (en) | 1983-03-03 |
FI75103C (fi) | 1988-05-09 |
CA1201961A (en) | 1986-03-18 |
SE8204807L (sv) | 1983-02-25 |
FI822702L (fi) | 1983-02-25 |
AU559926B2 (en) | 1987-03-26 |
ZA823762B (en) | 1983-03-30 |
SE461224B (sv) | 1990-01-22 |
FI75103B (fi) | 1988-01-29 |
JPS5834161A (ja) | 1983-02-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Transfer |
Free format text: GS TECHNOLOGIES OPERATING CO., INC (US) |
|
B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 29/07/97 |