BE621279A - - Google Patents
Info
- Publication number
- BE621279A BE621279A BE621279DA BE621279A BE 621279 A BE621279 A BE 621279A BE 621279D A BE621279D A BE 621279DA BE 621279 A BE621279 A BE 621279A
- Authority
- BE
- Belgium
- Prior art keywords
- steel
- content
- sep
- molten
- nitrogen
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 50
- 239000010959 steel Substances 0.000 claims description 49
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 36
- 229910052757 nitrogen Inorganic materials 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 15
- 229910052799 carbon Inorganic materials 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 238000005275 alloying Methods 0.000 claims description 2
- 229910052758 niobium Inorganic materials 0.000 claims description 2
- 229910052715 tantalum Inorganic materials 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 239000012535 impurity Substances 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 11
- 239000001301 oxygen Substances 0.000 description 11
- 230000007704 transition Effects 0.000 description 8
- 238000007792 addition Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000007872 degassing Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005255 carburizing Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008030 elimination Effects 0.000 description 3
- 238000003379 elimination reaction Methods 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000009863 impact test Methods 0.000 description 2
- 108010053481 Antifreeze Proteins Proteins 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910001199 N alloy Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- RRZKHZBOZDIQJG-UHFFFAOYSA-N azane;manganese Chemical compound N.[Mn] RRZKHZBOZDIQJG-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 210000002307 prostate Anatomy 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000009849 vacuum degassing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/10—Handling in a vacuum
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE621279A true BE621279A (enrdf_load_stackoverflow) |
Family
ID=194373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE621279D BE621279A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE621279A (enrdf_load_stackoverflow) |
-
0
- BE BE621279D patent/BE621279A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0004819B1 (fr) | Procédé de préparation d'alliages ferreux permettant d'améliorer notamment leurs propriétés mécaniques grâce à l'emploi de lanthane et alliages ferreux obtenus par ce procédé | |
| JP2009173961A (ja) | 鍛造用鋼およびこれを用いて得られる鍛造品 | |
| FR2809745A1 (fr) | Acier haute proprete et son procede de production | |
| US4073643A (en) | Continuously cast steel slabs for steel sheets having excellent workabilities and method for production thereof | |
| BE621279A (enrdf_load_stackoverflow) | ||
| EP0475804B1 (fr) | Procédé d'élaboration d'un acier à outils destiné notamment à la fabrication de moules et acier obtenu par ce procédé | |
| JP2007327122A (ja) | 溶鉄のＮｄおよびＣａ添加による処理方法 | |
| CH602948A5 (en) | Lamellar graphitic grey cast iron | |
| CN1265010C (zh) | 一种钡微合金化轴承钢 | |
| JPH09170013A (ja) | 極低炭素高マンガン鋼の溶製方法 | |
| JP5050692B2 (ja) | 高い清浄性を有する低Ａｌ含有鋼およびその製造方法 | |
| EP0172776A1 (fr) | Procédé d'amélioration de la forgeabilité d'un acier inoxydable austenoferritique | |
| JP2007031790A (ja) | 高Ａｌ鋼の二次精錬方法 | |
| JP4418118B2 (ja) | 溶鋼中の酸化物微細分散方法 | |
| JP3807377B2 (ja) | 低Ａｌ溶鋼のＣａ処理方法 | |
| JPH08218111A (ja) | 溶鋼へのスラグ巻き込み低減方法 | |
| FR2659984A1 (fr) | Ruban d'alliage fe-ni lamine a froid et son procede de fabrication. | |
| SU1006502A1 (ru) | Способ выплавки легированных конструкционных бескремнистых сталей | |
| CN115820981A (zh) | 一种减少铝脱氧钢中含硅大尺寸夹杂物的冶炼工艺 | |
| CH173808A (fr) | Procédé pour la purification d'alliages destinés à être alliés à des métaux désoxydés. | |
| JPH08283823A (ja) | 表面性状に優れた極低炭素鋼の製造方法 | |
| SU1148887A1 (ru) | Сплав дл раскислени и модифицировани рельсовой стали | |
| CN115702252A (zh) | 高洁净度钢的制造方法 | |
| FR2466507A2 (fr) | Perfectionnements au procede de preparation d'alliage ferreux permettant d'ameliorer notamment leurs proprietes mecaniques grace a l'emploi de lanthane et alliage ferreux obtenu par ce procede | |
| BE489106A (enrdf_load_stackoverflow) |