Method of producing a cold temperature high toughness structural steel
US7481897B2 · kind B2 · utility
2Cited by
9References
19Claims
0Family size
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Key dates
| Filing date | Nov 5, 2004 |
| Grant date | Jan 27, 2009 |
| Priority date | — |
| Expiry date | Nov 5, 2024 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF17C2270/0772
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An apparatus includes a low-carbon steel member. The low-carbon steel member yields plastically more than about 5% before fracturing at temperatures down to about −40° C. when stress is applied to the low-carbon steel member sufficient to cause the low-carbon steel member to so yield.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.