Austenitic stainless steel having a high machinability and an improved cold deformation
US5362439A · kind A · utility
7Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 16, 1993 |
| Grant date | Nov 8, 1994 |
| Priority date | — |
| Expiry date | Apr 16, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C38/001
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The weldable austenitic stainless steel having a high machinability and an improved cold deformation has the following composition by weight: C less than 0.1%; Si less than 2%; Mn less than 2%; S less than 0.03%; Ni between 8 and 10%; Cr between 15 and 25%; P less than or equal to 0.04%; Mo less than 0.5%; Cu between 1 and 5%; N between 0.02 and 0.07%; Ca more than 30.10.sup.31 4 %; 0 more than 70.10.sup.-4 %; Al less than 50.10.sup.-4 %; the ratio Ca/O being between 0.3 and 0.6.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.