Boron-containing steel and a process for producing the same
US4491476A · kind A · utility
4Cited by
1References
3Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 4, 1983 |
| Grant date | Jan 1, 1985 |
| Priority date | — |
| Expiry date | Apr 4, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C38/002
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A boron-treated steel comprises a carbon steel, or a low alloy steel containing 0.15 to 0.85% C, 0.15 to 2.0% Si, 0.3 to 1.5% Mn, not more than 1.0% Cr, not more than 0.020% of P and S each, and unavoidable quantities of Al and Ti not exceeding 0.008% and 0.010%, respectively, and further contains 6 to 30 ppm of acid-soluble boron. The steel produced is less likely to develop cracks and can be produced at substantially reduced costs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.