JP4778779B2 - 溶接熱影響部の低温靭性に優れた高張力鋼板 - Google Patents

溶接熱影響部の低温靭性に優れた高張力鋼板 Download PDF

Info

Publication number
JP4778779B2
JP4778779B2 JP2005321403A JP2005321403A JP4778779B2 JP 4778779 B2 JP4778779 B2 JP 4778779B2 JP 2005321403 A JP2005321403 A JP 2005321403A JP 2005321403 A JP2005321403 A JP 2005321403A JP 4778779 B2 JP4778779 B2 JP 4778779B2
Authority
JP
Japan
Prior art keywords
less
toughness
haz
amount
steel plate
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.)
Active
Application number
JP2005321403A
Other languages
English (en)
Japanese (ja)
Other versions
JP2007126724A (ja
Inventor
誠 太田
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel Ltd
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.)
Filing date
Publication date
Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd
Priority to JP2005321403A priority Critical patent/JP4778779B2/ja
Priority to CNA2006101432385A priority patent/CN1958827A/zh
Priority to KR1020060107777A priority patent/KR100847174B1/ko
Publication of JP2007126724A publication Critical patent/JP2007126724A/ja
Application granted granted Critical
Publication of JP4778779B2 publication Critical patent/JP4778779B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/12Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/001Ferrous alloys, e.g. steel alloys containing N
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/002Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/06Ferrous alloys, e.g. steel alloys containing aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/14Ferrous alloys, e.g. steel alloys containing titanium or zirconium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
JP2005321403A 2005-11-04 2005-11-04 溶接熱影響部の低温靭性に優れた高張力鋼板 Active JP4778779B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2005321403A JP4778779B2 (ja) 2005-11-04 2005-11-04 溶接熱影響部の低温靭性に優れた高張力鋼板
CNA2006101432385A CN1958827A (zh) 2005-11-04 2006-11-01 焊接热影响部的低温韧性优异的高张力钢板
KR1020060107777A KR100847174B1 (ko) 2005-11-04 2006-11-02 용접 열영향부의 저온 인성이 우수한 고장력 강판

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005321403A JP4778779B2 (ja) 2005-11-04 2005-11-04 溶接熱影響部の低温靭性に優れた高張力鋼板

Publications (2)

Publication Number Publication Date
JP2007126724A JP2007126724A (ja) 2007-05-24
JP4778779B2 true JP4778779B2 (ja) 2011-09-21

Family

ID=38070682

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005321403A Active JP4778779B2 (ja) 2005-11-04 2005-11-04 溶接熱影響部の低温靭性に優れた高張力鋼板

Country Status (3)

Country Link
JP (1) JP4778779B2 (ko)
KR (1) KR100847174B1 (ko)
CN (1) CN1958827A (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4881773B2 (ja) * 2007-03-23 2012-02-22 株式会社神戸製鋼所 溶接熱影響部の低温靭性に優れた低降伏比高張力鋼板
JP5096088B2 (ja) 2007-09-13 2012-12-12 株式会社神戸製鋼所 靭性および疲労亀裂発生抑制特性に優れた溶接継手
JP5139015B2 (ja) * 2007-09-18 2013-02-06 株式会社神戸製鋼所 母材低温靭性のばらつきが少なく熱影響部の靭性に優れた大入熱溶接用厚肉高強度鋼板およびその製造方法
JP4490472B2 (ja) * 2007-11-12 2010-06-23 株式会社神戸製鋼所 溶接熱影響部および母材の低温靭性に優れた低降伏比高張力鋼板並びにその製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08158006A (ja) * 1994-12-06 1996-06-18 Kobe Steel Ltd 溶接熱影響部の靭性が優れた高強度鋼
JP2002235114A (ja) * 2001-02-05 2002-08-23 Kawasaki Steel Corp 大入熱溶接部靱性に優れた厚肉高張力鋼の製造方法
JP3968011B2 (ja) * 2002-05-27 2007-08-29 新日本製鐵株式会社 低温靱性および溶接熱影響部靱性に優れた高強度鋼とその製造方法および高強度鋼管の製造方法
JP3854543B2 (ja) * 2002-06-11 2006-12-06 新日本製鐵株式会社 溶接部靭性の優れた鋼材及び構造物
JP4044470B2 (ja) * 2003-03-25 2008-02-06 株式会社神戸製鋼所 低温母材靭性および低温haz靭性に優れた高靭性鋼板、並びにその製造方法
JP4299754B2 (ja) * 2004-02-13 2009-07-22 新日本製鐵株式会社 大入熱溶接熱影響部の低温靭性に優れた厚手高強度Ni含有鋼材

Also Published As

Publication number Publication date
CN1958827A (zh) 2007-05-09
KR100847174B1 (ko) 2008-07-17
JP2007126724A (ja) 2007-05-24
KR20070048611A (ko) 2007-05-09

Similar Documents

Publication Publication Date Title
JP4972451B2 (ja) 溶接熱影響部および母材の低温靭性に優れた低降伏比高張力鋼板並びにその製造方法
JP4881773B2 (ja) 溶接熱影響部の低温靭性に優れた低降伏比高張力鋼板
JP4252974B2 (ja) クラッド鋼用母材および該クラッド鋼用母材を用いたクラッド鋼の製造方法
JP4490472B2 (ja) 溶接熱影響部および母材の低温靭性に優れた低降伏比高張力鋼板並びにその製造方法
JP7236540B2 (ja) 溶接熱影響部の靭性に優れた鋼材及びその製造方法
JP4295315B2 (ja) 超大入熱溶接における溶接熱影響部の靭性に優れた鋼板
US20190352749A1 (en) Steel material for high heat input welding
JP4891836B2 (ja) 大入熱溶接における溶接熱影響部の靭性に優れた鋼板
JP4787141B2 (ja) 溶接熱影響部の靭性に優れ、軟化が小さい厚鋼板
JP4878219B2 (ja) Haz靱性に優れ、溶接後熱処理による強度低下が小さい鋼板
JP2009045671A (ja) 大入熱エレクトロスラグ溶接用ワイヤ
JP4778779B2 (ja) 溶接熱影響部の低温靭性に優れた高張力鋼板
JP4969282B2 (ja) 溶接熱影響部の靭性に優れた高強度低降伏比鋼材
JP5147276B2 (ja) 脆性亀裂発生抑制・停止特性および溶接熱影響部の低温靭性に優れた高張力鋼板
JP4652952B2 (ja) 大入熱溶接熱影響部の靭性に優れた高張力鋼板
JP2009127119A (ja) 抵抗溶接鋼板
JP5509945B2 (ja) 溶接熱影響部の靭性に優れた鋼板
JP5157657B2 (ja) 大入熱溶接熱影響部の靭性に優れた高強度鋼板
JP5147275B2 (ja) 疲労亀裂進展抵抗性および溶接熱影響部の低温靭性に優れた鋼材
JP5509946B2 (ja) 溶接熱影響部の靭性に優れた鋼板
JP5720447B2 (ja) 溶接熱影響部の靭性に優れた鋼板
JPH11189840A (ja) 耐水素誘起割れ性に優れたラインパイプ用高強度鋼板およびその製造方法
JP2005200716A (ja) 溶接熱影響部の靭性に優れた鋼材
JP4259374B2 (ja) 低温靭性および溶接熱影響部靭性に優れた高強度鋼板およびその製造方法
JP7281314B2 (ja) クラッド鋼用母材、クラッド鋼およびクラッド鋼の製造方法

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20070928

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20091117

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20091222

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20100216

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20100601

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20100726

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20110628

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20110704

R150 Certificate of patent or registration of utility model

Ref document number: 4778779

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140708

Year of fee payment: 3