JPS57137453A - Steel plate having dual-phase structure and superior shearing edge workability - Google Patents
Steel plate having dual-phase structure and superior shearing edge workabilityInfo
- Publication number
- JPS57137453A JPS57137453A JP2294881A JP2294881A JPS57137453A JP S57137453 A JPS57137453 A JP S57137453A JP 2294881 A JP2294881 A JP 2294881A JP 2294881 A JP2294881 A JP 2294881A JP S57137453 A JPS57137453 A JP S57137453A
- Authority
- JP
- Japan
- Prior art keywords
- phase
- steel plate
- dual
- phase structure
- shearing edge
- 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.)
- Granted
Links
Abstract
PURPOSE: To manufacture a steel plate having a ferrite-martensite dual-phase structure and superior shearing edge workability by controlling an improvement in the hardenability of austenite due to C and Mn in a steel plate and the transformation behavior under continuous cooling.
CONSTITUTION: This steel plate having a dual-phase structure contains 0.02W 0.15% C, <1.5% Si, 0.3W2.5% Mn, <0.10% P, <0.015% S and 0.02W0.10% sol. Al or further contains one or more among <0.1% V, <1.5% Cr, <1.0% Mo and <2.0% Ni. The dual-phase structure is composed of ferrite as the matrix phase and ≤30vol% phase transformed at low temp. as the 2nd phase. The preferred transformed phase is martensite phase. The ratio in hardness between the 2nd and matrix phases is ≤3.2. This steel plate has superior shearing edge workability.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2294881A JPS57137453A (en) | 1981-02-20 | 1981-02-20 | Steel plate having dual-phase structure and superior shearing edge workability |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2294881A JPS57137453A (en) | 1981-02-20 | 1981-02-20 | Steel plate having dual-phase structure and superior shearing edge workability |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57137453A true JPS57137453A (en) | 1982-08-25 |
JPH0346540B2 JPH0346540B2 (en) | 1991-07-16 |
Family
ID=12096838
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2294881A Granted JPS57137453A (en) | 1981-02-20 | 1981-02-20 | Steel plate having dual-phase structure and superior shearing edge workability |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57137453A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006107873A (en) * | 2004-10-04 | 2006-04-20 | Toyo Kohan Co Ltd | Steel sheet for bottom plate of battery, surface-treated steel sheet for bottom plate of battery, and battery using it |
WO2009119751A1 (en) | 2008-03-27 | 2009-10-01 | 新日本製鐵株式会社 | High-strength galvanized steel sheet, high-strength alloyed hot-dip galvanized sheet, and high-strength cold-rolled steel sheet which excel in moldability and weldability, and manufacturing method for the same |
WO2009125874A1 (en) | 2008-04-10 | 2009-10-15 | 新日本製鐵株式会社 | High-strength steel sheets which are extremely excellent in the balance between burring workability and ductility and excellent in fatigue endurance, zinc-coated steel sheets, and processes for production of both |
EP1826287A3 (en) * | 2006-02-23 | 2010-12-01 | Kabushiki Kaisha Kobe Seiko Sho | High strength steel sheet having excellent formability |
-
1981
- 1981-02-20 JP JP2294881A patent/JPS57137453A/en active Granted
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006107873A (en) * | 2004-10-04 | 2006-04-20 | Toyo Kohan Co Ltd | Steel sheet for bottom plate of battery, surface-treated steel sheet for bottom plate of battery, and battery using it |
EP1826287A3 (en) * | 2006-02-23 | 2010-12-01 | Kabushiki Kaisha Kobe Seiko Sho | High strength steel sheet having excellent formability |
WO2009119751A1 (en) | 2008-03-27 | 2009-10-01 | 新日本製鐵株式会社 | High-strength galvanized steel sheet, high-strength alloyed hot-dip galvanized sheet, and high-strength cold-rolled steel sheet which excel in moldability and weldability, and manufacturing method for the same |
US8163108B2 (en) | 2008-03-27 | 2012-04-24 | Nippon Steel Corporation | High-strength cold-rolled steel sheet, high-strength galvanized steel sheet, and high-strength alloyed hot-dip galvanized steel sheet having excellent formability and weldability, and methods for manufacturing the same |
WO2009125874A1 (en) | 2008-04-10 | 2009-10-15 | 新日本製鐵株式会社 | High-strength steel sheets which are extremely excellent in the balance between burring workability and ductility and excellent in fatigue endurance, zinc-coated steel sheets, and processes for production of both |
US8460481B2 (en) | 2008-04-10 | 2013-06-11 | Nippon Steel & Sumitomo Metal Corporation | High-strength steel sheet and galvanized steel sheet having very good balance between hole expansibility and ductility, and also excellent in fatigue resistance, and methods of producing the steel sheets |
Also Published As
Publication number | Publication date |
---|---|
JPH0346540B2 (en) | 1991-07-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2207310A1 (en) | Dual-phase steel and method thereof | |
DE60009611D1 (en) | Process for producing thin "TRIP" type steel strips and thus manufactured steel strips | |
JPS54132421A (en) | Manufacture of high toughness bainite high tensile steel plate with superior weldability | |
MX9603234A (en) | Method of making dual phase steel plate. | |
SE9302258L (en) | Austenitic steel and its manufacture | |
JPS5741351A (en) | Super-hightensile steel | |
JPS5623259A (en) | Nickel-free high manganese cast steel for low temperature use | |
JPS5558353A (en) | Stainless cast steel for hydraulic turbine runner | |
JPS57137453A (en) | Steel plate having dual-phase structure and superior shearing edge workability | |
JPS57110650A (en) | High strength hot rolled steel plate with superior stretch flanging property and resistance weldability | |
JPS5524932A (en) | Manufacture of bainite tough hardening steel | |
JPS552743A (en) | Steel excellent in damping performance and manufacture thereof | |
JPS5541929A (en) | Steel for high efficiency welding and low temperature use | |
JPS5713152A (en) | Steel for seamless steel pipe with superior corrosion resistance | |
JPS57134518A (en) | Production of high-toughness high-tensile steel | |
JPS5644757A (en) | Two phase stainless steel excellent in hot workability | |
JPS5623260A (en) | High manganese cast steel for low temperature use | |
JPS5538979A (en) | Manufacture of low yield point, high tensile hot rolled steel plate with superior workability | |
JPS5763668A (en) | Free cutting austenite stainless steel | |
JPS56133423A (en) | Manufacture of composite structure type high-tensile high-ductility steel plate | |
JPS57101649A (en) | Hot rolled steel plate for wheel disc | |
JPS57188652A (en) | High-strength austenite steel with superior cold work hardenability | |
JPS572868A (en) | High-manganese nonmagnetic steel for low temperature use | |
JPS57120654A (en) | Heat resistant 12% cr steel | |
JPS5579856A (en) | High toughness, wear resistant steel |