GB1395864A - Method of heating metallic material - Google Patents
Method of heating metallic materialInfo
- Publication number
- GB1395864A GB1395864A GB933073A GB933073A GB1395864A GB 1395864 A GB1395864 A GB 1395864A GB 933073 A GB933073 A GB 933073A GB 933073 A GB933073 A GB 933073A GB 1395864 A GB1395864 A GB 1395864A
- Authority
- GB
- United Kingdom
- Prior art keywords
- furnace
- rods
- gas
- feb
- chambers
- 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
- 238000000034 method Methods 0.000 title abstract 2
- 238000010438 heat treatment Methods 0.000 title 1
- 239000007769 metal material Substances 0.000 title 1
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 238000005261 decarburization Methods 0.000 abstract 1
- 239000000446 fuel Substances 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 238000010301 surface-oxidation reaction Methods 0.000 abstract 1
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
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/76—Adjusting the composition of the atmosphere
-
- 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
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Furnace Details (AREA)
- Heat Treatment Of Articles (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Tunnel Furnaces (AREA)
Abstract
1395864 Heat-treating rods GRANGES ENG AB 26 Feb 1973 [29 Feb 1972] 9330/73 Heading C7N A process for heat-treating steel rods whilst substantially eliminating surface oxidation or decarburization, utilizes a gas-tight furnace 10 and infeed and outfeed chambers 11, 12 for the passage of the rods. Rods are fed through infeed chamber 11 into the furnace 10, moving along rollers 20, and when sufficiently heated are pushed by means 23 along beams 22 to rollers 21 on the other side of the furnace from where they can be removed through outfeed chamber 12. The furnace is heated by elements (13), Fig. 1 (not shown) or any other means where fuel is not combusted in the furnace space 15. The furnace space 15 can be maintained at a slightly higher pressure than the surroundings by using commercial N2. To prevent the entry of air into the furnace space, the atmosphere around the rods in the chambers 11, 12 is flushed out either with gas, i.e. N2, from the furnace, or with similar gas introduced through pipes 33.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7202543A SE378428B (en) | 1972-02-29 | 1972-02-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1395864A true GB1395864A (en) | 1975-05-29 |
Family
ID=20260150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB933073A Expired GB1395864A (en) | 1972-02-29 | 1973-02-26 | Method of heating metallic material |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3899287A (en) |
| JP (1) | JPS48100305A (en) |
| DE (1) | DE2309245A1 (en) |
| FR (1) | FR2174192A1 (en) |
| GB (1) | GB1395864A (en) |
| IT (1) | IT979578B (en) |
| SE (1) | SE378428B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATA874874A (en) * | 1974-10-31 | 1978-02-15 | Ebner Ind Ofenbau | ANNEALING SYSTEM FOR BARS AND TUBES IN CHROME-NICKEL STEEL OR CHROME STEEL |
| CN111455151A (en) * | 2020-04-13 | 2020-07-28 | 重庆赛迪热工环保工程技术有限公司 | Side-in and side-out furnace type structure |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2191133A (en) * | 1934-12-05 | 1940-02-20 | Ici Ltd | Apparatus for heat treating |
| US2253897A (en) * | 1937-05-24 | 1941-08-26 | Doderer Wilhelm | Contrivance for treating materials within a gas atmosphere of increased pressure |
| US2421482A (en) * | 1944-09-20 | 1947-06-03 | Sentry Company | Furnace |
| US2749106A (en) * | 1950-11-28 | 1956-06-05 | Metallurg Processes Co | Protection of hot metallic bodies against oxidation |
-
1972
- 1972-02-29 SE SE7202543A patent/SE378428B/xx unknown
-
1973
- 1973-02-24 DE DE19732309245 patent/DE2309245A1/en active Pending
- 1973-02-26 GB GB933073A patent/GB1395864A/en not_active Expired
- 1973-02-27 US US336353A patent/US3899287A/en not_active Expired - Lifetime
- 1973-02-28 IT IT20988/73A patent/IT979578B/en active
- 1973-02-28 FR FR7307193A patent/FR2174192A1/fr not_active Withdrawn
- 1973-02-28 JP JP48024235A patent/JPS48100305A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3899287A (en) | 1975-08-12 |
| DE2309245A1 (en) | 1973-09-06 |
| SE378428B (en) | 1975-09-01 |
| JPS48100305A (en) | 1973-12-18 |
| FR2174192A1 (en) | 1973-10-12 |
| IT979578B (en) | 1974-09-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| IE38704B1 (en) | Furnace for the fluxless soldering of aluminium materials in a protective gas atmosphere | |
| ES433191A1 (en) | Method for the heat-treatment of steel and for the control of said treatment | |
| GB1299398A (en) | Multi-chamber carburizing method and apparatus | |
| AU435339B2 (en) | Process and catalyst for treating combustion exhaust gas | |
| ES412051A1 (en) | Minimum scale reheating furnace and means relating thereto | |
| GB1395864A (en) | Method of heating metallic material | |
| GB1291090A (en) | Method and apparatus for treating sheets of glass | |
| ES452874A1 (en) | Method and apparatus for heating a workpiece | |
| ES400323A1 (en) | Process for the cracking of ammonium sulfate | |
| ES440390A1 (en) | Belleville spring | |
| ES8106762A1 (en) | Process for treating metals using recycled gases | |
| JPS5792127A (en) | Continuous bright heat treatment of metal in furnace containing gaseous atmosphere | |
| JPS51149810A (en) | A method for controlling furnace pressure in a heating furnace provide d with a jet preheating means | |
| JPS5249918A (en) | Combustion equipment with recycling of waste gas | |
| JPS53125093A (en) | Airtightness testing method of steel pipe weld zone | |
| GB1309725A (en) | Blackening method | |
| JPS5299911A (en) | Process and apparatus for purging box-type annealing furnace | |
| JPS53132417A (en) | Control method for atmosphere inside heating furnace of nonoxidizing type | |
| ES397586A1 (en) | Method for heating unfinished tellurium-containing steel articles before hot rolling | |
| FR2333866A1 (en) | Bright annealing stainless steels - using furnace and cooling chamber fed with regenerated and recycled protective gas (SW 13.5.76) | |
| GB1223768A (en) | Method of attenuating viruses | |
| JPS5271318A (en) | Preventing generation of cracksproduced on surface of hearth roll | |
| JPS52150714A (en) | Decarburization preventing in atmospheric annealing of hot rolled steel material | |
| JPS51149190A (en) | Lized asbestos with reducing power and process for its production | |
| SU414190A1 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |