Low alloy steel and weld joint thereof excellent in corrosion resistance to hydrochloric acid and sulfuric acid
US7731896B2 · kind B2 · utility
5Cited by
3References
5Claims
0Family size
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Key dates
| Filing date | Nov 15, 2002 |
| Grant date | Jun 8, 2010 |
| Priority date | — |
| Expiry date | Dec 21, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21D2211/005
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention provides a low alloy steel and a weld joint thereof excellent in hydrochloric acid corrosion resistance and sulfuric acid corrosion resistance, said low alloy steel containing, in mass, Here, said AI is given by the following expression,AI/10,000=0.0005+0.045×Sb %−C %×Mo %,where % means mass %.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.