JPH0587348B2 - - Google Patents
Info
- Publication number
- JPH0587348B2 JPH0587348B2 JP24900989A JP24900989A JPH0587348B2 JP H0587348 B2 JPH0587348 B2 JP H0587348B2 JP 24900989 A JP24900989 A JP 24900989A JP 24900989 A JP24900989 A JP 24900989A JP H0587348 B2 JPH0587348 B2 JP H0587348B2
- Authority
- JP
- Japan
- Prior art keywords
- steel
- sulfur
- less
- molten steel
- free
- 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 35
- 239000010959 steel Substances 0.000 claims description 35
- 229910052717 sulfur Inorganic materials 0.000 claims description 31
- 229910000915 Free machining steel Inorganic materials 0.000 claims description 24
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 23
- 239000011593 sulfur Substances 0.000 claims description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 238000009749 continuous casting Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 230000007547 defect Effects 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 238000000034 method Methods 0.000 description 21
- 239000011148 porous material Substances 0.000 description 11
- 238000005266 casting Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 239000010410 layer Substances 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000007711 solidification Methods 0.000 description 6
- 230000008023 solidification Effects 0.000 description 6
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 229910000655 Killed steel Inorganic materials 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 238000007664 blowing Methods 0.000 description 4
- 238000007654 immersion Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 229910002551 Fe-Mn Inorganic materials 0.000 description 3
- 229910001327 Rimmed steel Inorganic materials 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 229910000840 Capped steel Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010273 cold forging Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24900989A JPH03114625A (ja) | 1989-09-27 | 1989-09-27 | 連続鋳造による硫黄複層快削鋼の製造法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24900989A JPH03114625A (ja) | 1989-09-27 | 1989-09-27 | 連続鋳造による硫黄複層快削鋼の製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03114625A JPH03114625A (ja) | 1991-05-15 |
| JPH0587348B2 true JPH0587348B2 (ru) | 1993-12-16 |
Family
ID=17186653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24900989A Granted JPH03114625A (ja) | 1989-09-27 | 1989-09-27 | 連続鋳造による硫黄複層快削鋼の製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03114625A (ru) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6848369B2 (ja) * | 2015-11-27 | 2021-03-24 | 日本製鉄株式会社 | 溶鋼への硫黄添加原料及び硫黄添加鋼の製造方法 |
-
1989
- 1989-09-27 JP JP24900989A patent/JPH03114625A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03114625A (ja) | 1991-05-15 |
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