Method for manufacturing superior 13Cr tool coupler
US11162150B2 · kind B2 · utility
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Key dates
| Filing date | Oct 9, 2013 |
| Grant date | Nov 2, 2021 |
| Priority date | — |
| Expiry date | Feb 10, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21D2211/008
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention discloses a method for manufacturing a superior 13Cr tool coupler, which method comprises the following steps: manufacturing a blank;forging the blank; heating the forged blank to 600-700° C. for a stress-relief annealing; quenching; and tempering. The present technical solution can produce a superior 13Cr tool coupler which achieves a mechanic feature of 110 ksi.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.