BE419483A - - Google Patents
Info
- Publication number
- BE419483A BE419483A BE419483DA BE419483A BE 419483 A BE419483 A BE 419483A BE 419483D A BE419483D A BE 419483DA BE 419483 A BE419483 A BE 419483A
- Authority
- BE
- Belgium
- Prior art keywords
- billet
- metal
- oxidizing gas
- desc
- layer
- Prior art date
Links
- 239000002184 metal Substances 0.000 claims description 48
- 230000001590 oxidative effect Effects 0.000 claims description 31
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 238000005096 rolling process Methods 0.000 claims description 25
- 230000007246 mechanism Effects 0.000 claims description 23
- 239000010410 layer Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 10
- 239000002893 slag Substances 0.000 claims description 10
- 230000003750 conditioning effect Effects 0.000 claims description 7
- 239000002344 surface layer Substances 0.000 claims description 4
- 238000005098 hot rolling Methods 0.000 claims description 2
- 238000004806 packaging method and process Methods 0.000 claims description 2
- 230000000977 initiatory effect Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 description 53
- 206010040844 Skin exfoliation Diseases 0.000 description 46
- 239000003570 air Substances 0.000 description 36
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 16
- 229910052760 oxygen Inorganic materials 0.000 description 16
- 239000001301 oxygen Substances 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000000203 mixture Substances 0.000 description 7
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 5
- 238000013459 approach Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- RSZVKQDECFHDQJ-YDALLXLXSA-N methyl (2s)-2-(n-(2-methoxyacetyl)-2,6-dimethylanilino)propanoate;2-(trichloromethylsulfanyl)-3a,4,7,7a-tetrahydroisoindole-1,3-dione Chemical compound C1C=CCC2C(=O)N(SC(Cl)(Cl)Cl)C(=O)C21.COCC(=O)N([C@@H](C)C(=O)OC)C1=C(C)C=CC=C1C RSZVKQDECFHDQJ-YDALLXLXSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 230000008485 antagonism Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 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
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)
- Metal Rolling (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE419483A true BE419483A (cg-RX-API-DMAC7.html) |
Family
ID=81764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE419483D BE419483A (cg-RX-API-DMAC7.html) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE419483A (cg-RX-API-DMAC7.html) |
-
0
- BE BE419483D patent/BE419483A/fr unknown
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