Duplex Stainless Steel
|Duplex Grades Stocked:|
*F51 / UNS31803 / 1.4462
* Materials where applicable are supplied in accordance with NACE MR0175
Rounds: 3mm dia. to 520mm dia
- Moderate – good strength
- Good corrosion & pitting resistance
- Good stress corrosion cracking resistance
- Good weldability
- Good formability
Duplex stainless steels have a high Chromium content (22%), a moderate Nickel content (5.5%) and 3% Molybdenum. The main advantage of Duplex F51 / 1.4462 / UNS 31803 stainless steel is the combination of properties given by both the austenitic and ferritic steels.
This grade is used in oil & gas, marine, brewing, power generation and chemical industry applications. Specific product applications include heat exchangers, chemical tanks, refineries, marine shafts, pressure vessel parts, compressor parts.