ZA837823B - Gaseous decarburizing mixtures of hydrogen,carbon dioxide and a carrier gas - Google Patents
Gaseous decarburizing mixtures of hydrogen,carbon dioxide and a carrier gasInfo
- Publication number
- ZA837823B ZA837823B ZA837823A ZA837823A ZA837823B ZA 837823 B ZA837823 B ZA 837823B ZA 837823 A ZA837823 A ZA 837823A ZA 837823 A ZA837823 A ZA 837823A ZA 837823 B ZA837823 B ZA 837823B
- Authority
- ZA
- South Africa
- Prior art keywords
- decarburizing
- gaseous
- mixtures
- hydrogen
- carbon dioxide
- Prior art date
Links
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title 1
- 229910002092 carbon dioxide Inorganic materials 0.000 title 1
- 239000001569 carbon dioxide Substances 0.000 title 1
- 239000012159 carrier gas Substances 0.000 title 1
- 229910052739 hydrogen Inorganic materials 0.000 title 1
- 239000001257 hydrogen Substances 0.000 title 1
- 239000000203 mixture Substances 0.000 title 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
- C21D3/00—Diffusion processes for extraction of non-metals; Furnaces therefor
- C21D3/02—Extraction of non-metals
- C21D3/04—Decarburising
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
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)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/435,834 US4450017A (en) | 1982-10-21 | 1982-10-21 | Gaseous decarburizing mixtures of hydrogen, carbon dioxide and a carrier gas |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA837823B true ZA837823B (en) | 1985-06-26 |
Family
ID=23730009
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA837823A ZA837823B (en) | 1982-10-21 | 1983-10-20 | Gaseous decarburizing mixtures of hydrogen,carbon dioxide and a carrier gas |
Country Status (9)
Country | Link |
---|---|
US (1) | US4450017A (xx) |
JP (1) | JPH0686623B2 (xx) |
KR (1) | KR860002021B1 (xx) |
BR (1) | BR8305762A (xx) |
CA (1) | CA1206854A (xx) |
DE (1) | DE3338205A1 (xx) |
GB (1) | GB2129445B (xx) |
MX (1) | MX159517A (xx) |
ZA (1) | ZA837823B (xx) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK0680393T3 (da) * | 1991-02-01 | 1999-04-26 | Sydney M Kaufman | Fremgangsmåde til genbrug af skrotmetal |
US5401339A (en) * | 1994-02-10 | 1995-03-28 | Air Products And Chemicals, Inc. | Atmospheres for decarburize annealing steels |
US5531372A (en) * | 1994-08-30 | 1996-07-02 | Air Products And Chemicals, Inc. | Moisture-free atmosphere brazing of ferrous metals |
US9045805B2 (en) | 2013-03-12 | 2015-06-02 | Ati Properties, Inc. | Alloy refining methods |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3098776A (en) * | 1960-12-09 | 1963-07-23 | Western Electric Co | Methods of heat-treating low carbon steel |
US4139375A (en) * | 1978-02-06 | 1979-02-13 | Union Carbide Corporation | Process for sintering powder metal parts |
US4285742A (en) * | 1979-11-29 | 1981-08-25 | Boc Limited | Heat treatment method |
-
1982
- 1982-10-21 US US06/435,834 patent/US4450017A/en not_active Expired - Lifetime
-
1983
- 1983-10-14 GB GB08327547A patent/GB2129445B/en not_active Expired
- 1983-10-14 CA CA000439069A patent/CA1206854A/en not_active Expired
- 1983-10-17 MX MX199123A patent/MX159517A/es unknown
- 1983-10-17 JP JP58194004A patent/JPH0686623B2/ja not_active Expired - Lifetime
- 1983-10-19 BR BR8305762A patent/BR8305762A/pt unknown
- 1983-10-20 ZA ZA837823A patent/ZA837823B/xx unknown
- 1983-10-20 DE DE19833338205 patent/DE3338205A1/de not_active Withdrawn
- 1983-10-21 KR KR1019830004988A patent/KR860002021B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
US4450017A (en) | 1984-05-22 |
DE3338205A1 (de) | 1984-04-26 |
BR8305762A (pt) | 1984-05-29 |
GB2129445A (en) | 1984-05-16 |
GB2129445B (en) | 1985-11-13 |
KR860002021B1 (ko) | 1986-11-15 |
KR840006373A (ko) | 1984-11-29 |
CA1206854A (en) | 1986-07-02 |
GB8327547D0 (en) | 1983-11-16 |
MX159517A (es) | 1989-06-26 |
JPH0686623B2 (ja) | 1994-11-02 |
JPS5989726A (ja) | 1984-05-24 |
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