FR653802A - Method and apparatus for obtaining uniform hardness in the hardness of rail head mushroom - Google Patents
Method and apparatus for obtaining uniform hardness in the hardness of rail head mushroomInfo
- Publication number
- FR653802A FR653802A FR653802DA FR653802A FR 653802 A FR653802 A FR 653802A FR 653802D A FR653802D A FR 653802DA FR 653802 A FR653802 A FR 653802A
- Authority
- FR
- France
- Prior art keywords
- hardness
- rail head
- obtaining uniform
- head mushroom
- mushroom
- 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
- 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
- C21D9/04—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rails
-
- 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
- C21D1/62—Quenching devices
- C21D1/63—Quenching devices for bath quenching
-
- 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
- C21D1/62—Quenching devices
- C21D1/63—Quenching devices for bath quenching
- C21D1/64—Quenching devices for bath quenching with circulating liquids
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE290182X | 1927-05-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR653802A true FR653802A (en) | 1929-03-28 |
Family
ID=6060833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR653802D Expired FR653802A (en) | 1927-05-05 | 1928-05-03 | Method and apparatus for obtaining uniform hardness in the hardness of rail head mushroom |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR653802A (en) |
GB (1) | GB290182A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2618284A (en) * | 1946-11-22 | 1952-11-18 | United States Steel Corp | Heat-treatment of hardenable steel |
US2638909A (en) * | 1949-09-22 | 1953-05-19 | Int Harvester Co | Quench tank for heat-treating processes |
ITMI20090892A1 (en) * | 2009-05-20 | 2010-11-21 | Danieli Off Mecc | COOLING TANK FOR RAILS |
ITMI20112052A1 (en) * | 2011-11-11 | 2013-05-12 | Danieli Off Mecc | COOLING TANK FOR RAILS |
-
1928
- 1928-05-03 FR FR653802D patent/FR653802A/en not_active Expired
- 1928-05-07 GB GB13446/28A patent/GB290182A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB290182A (en) | 1929-07-04 |
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