JPH0349965B2 - - Google Patents
Info
- Publication number
- JPH0349965B2 JPH0349965B2 JP61274534A JP27453486A JPH0349965B2 JP H0349965 B2 JPH0349965 B2 JP H0349965B2 JP 61274534 A JP61274534 A JP 61274534A JP 27453486 A JP27453486 A JP 27453486A JP H0349965 B2 JPH0349965 B2 JP H0349965B2
- Authority
- JP
- Japan
- Prior art keywords
- amount
- segregation
- molten steel
- total
- mns
- 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 - Lifetime
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 67
- 239000010959 steel Substances 0.000 claims description 67
- 238000005204 segregation Methods 0.000 claims description 56
- 238000000034 method Methods 0.000 claims description 24
- 230000015572 biosynthetic process Effects 0.000 claims description 20
- 238000007711 solidification Methods 0.000 claims description 18
- 230000008023 solidification Effects 0.000 claims description 18
- 238000005266 casting Methods 0.000 claims description 14
- 238000009749 continuous casting Methods 0.000 claims description 13
- 229910052717 sulfur Inorganic materials 0.000 claims description 12
- 238000012937 correction Methods 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 238000005755 formation reaction Methods 0.000 description 20
- 238000005336 cracking Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- 239000001257 hydrogen Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000007670 refining Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 229910052791 calcium Inorganic materials 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 229910000655 Killed steel Inorganic materials 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910018125 Al-Si Inorganic materials 0.000 description 1
- 229910018520 Al—Si Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004453 electron probe microanalysis Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- OXNIZHLAWKMVMX-UHFFFAOYSA-N picric acid Chemical compound OC1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O OXNIZHLAWKMVMX-UHFFFAOYSA-N 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61274534A JPS63128112A (ja) | 1986-11-18 | 1986-11-18 | 鋼鋳片のＭｎＳ生成防止方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61274534A JPS63128112A (ja) | 1986-11-18 | 1986-11-18 | 鋼鋳片のＭｎＳ生成防止方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63128112A JPS63128112A (ja) | 1988-05-31 |
| JPH0349965B2 true JPH0349965B2 (zh) | 1991-07-31 |
Family
ID=17543043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61274534A Granted JPS63128112A (ja) | 1986-11-18 | 1986-11-18 | 鋼鋳片のＭｎＳ生成防止方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63128112A (zh) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6020963B2 (ja) * | 2012-03-08 | 2016-11-02 | 日立金属株式会社 | 熱間加工性に優れた高速度工具鋼素材の製造方法 |
| JP5910195B2 (ja) * | 2012-03-14 | 2016-04-27 | Ｊｆｅスチール株式会社 | 鋼材の耐ｈｉｃ性の評価方法およびそれを利用したラインパイプ用高強度厚鋼板の製造方法 |
-
1986
- 1986-11-18 JP JP61274534A patent/JPS63128112A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63128112A (ja) | 1988-05-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |