JPS6129818B2 - - Google Patents
Info
- Publication number
- JPS6129818B2 JPS6129818B2 JP54157456A JP15745679A JPS6129818B2 JP S6129818 B2 JPS6129818 B2 JP S6129818B2 JP 54157456 A JP54157456 A JP 54157456A JP 15745679 A JP15745679 A JP 15745679A JP S6129818 B2 JPS6129818 B2 JP S6129818B2
- Authority
- JP
- Japan
- Prior art keywords
- steel
- slab
- continuous casting
- cracks
- amount
- 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
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 37
- 239000010959 steel Substances 0.000 claims description 37
- 238000009749 continuous casting Methods 0.000 claims description 15
- 238000005336 cracking Methods 0.000 claims description 12
- 229910001566 austenite Inorganic materials 0.000 claims description 8
- 238000001556 precipitation Methods 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 description 19
- 229910052796 boron Inorganic materials 0.000 description 7
- 230000007547 defect Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 238000005266 casting Methods 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 229910018125 Al-Si Inorganic materials 0.000 description 1
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910018520 Al—Si Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910000677 High-carbon steel Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229910000954 Medium-carbon steel Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000005260 alpha ray Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000005028 tinplate Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Continuous Casting (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15745679A JPS5680354A (en) | 1979-12-06 | 1979-12-06 | Method of suppressing cracking of b-containing steel ingot continuously cast |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15745679A JPS5680354A (en) | 1979-12-06 | 1979-12-06 | Method of suppressing cracking of b-containing steel ingot continuously cast |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5680354A JPS5680354A (en) | 1981-07-01 |
JPS6129818B2 true JPS6129818B2 (sk) | 1986-07-09 |
Family
ID=15650049
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15745679A Granted JPS5680354A (en) | 1979-12-06 | 1979-12-06 | Method of suppressing cracking of b-containing steel ingot continuously cast |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5680354A (sk) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4933249A (sk) * | 1972-07-27 | 1974-03-27 | ||
JPS51139515A (en) * | 1975-05-28 | 1976-12-01 | Nippon Steel Corp | Continuous casting killed billet with few surface cracking |
JPS5266815A (en) * | 1975-12-01 | 1977-06-02 | Nippon Steel Corp | Steel improved sulfide corrosion cracking resistance |
JPS52104412A (en) * | 1976-03-01 | 1977-09-01 | Sumitomo Metal Ind Ltd | Temper type high tensile steel superior in weldability |
JPS54135616A (en) * | 1978-04-12 | 1979-10-22 | Nippon Steel Corp | Manufacture of cold rolled steel plate with superior formability |
JPS55107733A (en) * | 1979-02-15 | 1980-08-19 | Kawasaki Steel Corp | Cold rolled steel plate having superior press workability |
-
1979
- 1979-12-06 JP JP15745679A patent/JPS5680354A/ja active Granted
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4933249A (sk) * | 1972-07-27 | 1974-03-27 | ||
JPS51139515A (en) * | 1975-05-28 | 1976-12-01 | Nippon Steel Corp | Continuous casting killed billet with few surface cracking |
JPS5266815A (en) * | 1975-12-01 | 1977-06-02 | Nippon Steel Corp | Steel improved sulfide corrosion cracking resistance |
JPS52104412A (en) * | 1976-03-01 | 1977-09-01 | Sumitomo Metal Ind Ltd | Temper type high tensile steel superior in weldability |
JPS54135616A (en) * | 1978-04-12 | 1979-10-22 | Nippon Steel Corp | Manufacture of cold rolled steel plate with superior formability |
JPS55107733A (en) * | 1979-02-15 | 1980-08-19 | Kawasaki Steel Corp | Cold rolled steel plate having superior press workability |
Also Published As
Publication number | Publication date |
---|---|
JPS5680354A (en) | 1981-07-01 |
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