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A process for welding high strength low alloy HSLA-80 plates (YS :550-690 MPa) using submerged arc welding (SAW) process using selective, welding electrode; maintaining rebake conditions of flux ; preparation for butt weld welding parameters ; electrode wire diameter current and voltage ;and weld conditions. The process is directed to provide guaranteed properties of weld joints matching the characteristics of the high strength low alloy HSLA-80 steel.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
14 March 2001
Publication Number
Publication Type
Invention Field
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2005-12-02
Renewal Date
Applicants
STEEL AUTHORITY OF INDIA LIMITED
RESEARCH & DEVELOPMENT CENTRE FOR LRON & STEEL, DORANDA, RANCHI
Inventors
1. DATTA RAMEN
RESEARCH & DEVELOPMENT CENTRE FOR LRON & STEEL,STEEL AUTHORITY OF INDIA LIMITED, DORANDA, RANCHI-834002
2. MUKHERJEE DEBASIS
RESEARCH & DEVELOPMENT CENTRE FOR LRON & STEEL,STEEL AUTHORITY OF INDIA LIMITED, DORANDA,RANCHI-834002
3. VEERARAGHAVAN RAMASWAMY
BHARAT HEAVY ELECTRICAL LTD,WELDING RESEARCH INSTITUTE,TIRUCHIRAPLLI-620014
4. NARASIMHAN KRISHNASWAMY
BHARAT HEAVY ELECTRICAL LTD,WELDING RESEARCH INSTITUTE,TIRUCHIRAPLLI-620014
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 00149-cal-2001-p.a.pdf | 2011-10-06 |
| 2 | 00149-cal-2001-form-3.pdf | 2011-10-06 |
| 3 | 00149-cal-2001-form-2.pdf | 2011-10-06 |
| 4 | 00149-cal-2001-form-19.pdf | 2011-10-06 |
| 5 | 00149-cal-2001-form-1.pdf | 2011-10-06 |
| 6 | 00149-cal-2001-drawings.pdf | 2011-10-06 |
| 7 | 00149-cal-2001-description(complete).pdf | 2011-10-06 |
| 8 | 00149-cal-2001-correspondence.pdf | 2011-10-06 |
| 9 | 00149-cal-2001-claims.pdf | 2011-10-06 |
| 10 | 00149-cal-2001-abstract.pdf | 2011-10-06 |