Submerged arc welding method for steel plate
US8955554B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 4, 2009 |
| Grant date | Feb 17, 2015 |
| Priority date | — |
| Expiry date | Aug 3, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K2103/04
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Provided is a submerged arc welding method for a steel plate. In welding the steel plate from an internal surface or an external surface by a submerged arc welding, welding condition is set such that, a cross-sectional area of internal weld metal S1 and a cross-sectional area of external weld metal S2 satisfy the formula (1), the formula (2), and the formula (3), that is, 0.40≦(S1+S2)/t2≦0.80 . . . (1), S1/t2≦0.35 . . . (2), and S2/t2≦0.45 . . . (3), wherein t is a plate thickness of the steel plate (mm), S1 is a cross-sectional area of the internal weld metal (mm2) excluding the cross-sectional area of a portion of the internal weld metal overlapping with the external weld metal after external welding, and S2 is a cross-sectional area of the external weld metal (mm2).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.