Duplex and Super Duplex
In recent years, the oil and gas industry has become more demanding with regard to specifications for materials used in its equipment. In order to cope with the increasing demand for higher quality, Villares Metals has created the Duplex and Super Duplex stainless steel line, which is able to meet all these requirements.
Learn more about Villares Metals Duplex and Super Duplex Stainless Steels:
N4460UF (UNS S32900 / WNr. 1.4460 / F52)
The mechanical strength and corrosion resistance of the Duplex (austenitic-ferritic) stainless steel is higher than that of austenitic steels. It is mainly used in the pulp and paper industries.
- ABTN | ASTM | SAE | AISI: UNS S32900 e F52
- DIN | WNr: 1.4460
- Chemical Composition:
| C % | Mn % | Cr % | Ni % | Mo % | Si % | OTHERS % |
| max. 0,05 | máx. 2,00 | 26,50 | 5,50 | 1,65 | <=1,00 | N=0,12 |
N4462 (UNS S31803 / UNS S32205 / WNr. 1.4462 / F51)
The mechanical strength and corrosion resistance of the Duplex (austenitic-ferritic) stainless steel is higher than that of austenitic steels and N4462MOD. Duplex steel is used mainly in petrochemical industries. It satisfies a minimum PREN value of 35 and complies with NORSOK M650 and M630 MDS D57 for gauges up to 152.40 mm.
- ABTN | ASTM | SAE | AISI: UNS S31803 / UNS S32205 e F51/F60
- DIN | WNr: 1.4462
- Chemical Composition:
| C % | Mn % | Cr % | Ni % | Mo % | Si % | OTHERS % |
| max. 0,03 | máx. 2,00 | 22,60 | 5,00 | 3,10 | <=1,00 | N=0,19 |