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 alongado

Info

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
Application number
BR8204440A
Other languages
English (en)
Inventor
Robert J Glodowski
Vernon Craig Van Slyke
Original Assignee
Armco Inc
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.)
Filing date
Publication date
Application filed by Armco Inc filed Critical Armco Inc
Publication of BR8204440A publication Critical patent/BR8204440A/pt

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)
BR8204440A 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 BR8204440A (pt)

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)

* Cited by examiner, † Cited by third party
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
US6074765A (en) * 1998-06-03 2000-06-13 Stelco Inc. Grinding rod chemistry and method of heat treatment to enhance wearability
US5972135A (en) * 1998-06-03 1999-10-26 Stelco Inc. Stress relieved grinding rod having hard outer shell
JP2003076275A (ja) * 2001-09-07 2003-03-14 Wayoo Kk ボトル用表示装置
JP5252131B2 (ja) * 2011-03-18 2013-07-31 新日鐵住金株式会社 鋼管の焼入方法
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
JPS5834161A (ja) 1983-02-28
FI822702A0 (fi) 1982-08-03
FI75103C (fi) 1988-05-09
AU559926B2 (en) 1987-03-26
FI75103B (fi) 1988-01-29
SE8204807L (sv) 1983-02-25
SE8204807D0 (sv) 1982-08-23
SE461224B (sv) 1990-01-22
CA1201961A (en) 1986-03-18
AU8415982A (en) 1983-03-03
FI822702L (fi) 1983-02-25
JPH0426903B2 (pt) 1992-05-08
US4589934A (en) 1986-05-20
ZA823762B (en) 1983-03-30

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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