JPS6129818B2 - - Google Patents

Info

Publication number: JPS6129818B2
Authority: JP; Japan
Prior art keywords: steel; slab; continuous casting; cracks; amount
Prior art date: 1979-12-06
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

Application number

JP54157456A

Other languages

English (en)

Japanese (ja)

Other versions

JPS5680354A (en

Inventor

Hiroo Suzuki

Koichi Yamamoto

Hiroshi Myamura

Takahide Oono

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Nippon Steel Corp

Original Assignee

Nippon Steel Corp

Priority date (The priority date 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 date listed.)

1979-12-06

Filing date

1979-12-06

Publication date

1986-07-09

1979-12-06 Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp

1979-12-06 Priority to JP15745679A priority Critical patent/JPS5680354A/ja

1981-07-01 Publication of JPS5680354A publication Critical patent/JPS5680354A/ja

1986-07-09 Publication of JPS6129818B2 publication Critical patent/JPS6129818B2/ja

Status Granted legal-status Critical Current

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)

JP15745679A 1979-12-06 1979-12-06 Method of suppressing cracking of b-containing steel ingot continuously cast Granted JPS5680354A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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