DUPLEX STEEL PIPE FITTING

SPECIFICATIONS

Duplex Steel UNS S32205/S31803 Pipe Fitting are available in different grades and standards. Some of the standard features these are made available in include
Specifications : ASTM A815 / ASME SA815
Standard : ASME/ANSI B16.9, ASME B16.28, MSS-SP-43
Size : 1/2″ to 24″ NB to 24″NB in Sch 10S, 40S, 80S, 160s, XXS
Type : Seamless / Welded / Fabricated

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PT. Cahaya Bina Baja is a distributor of Duplex  Steel UNS S32205 / UNS S31803 Butt Weld Pipe Fittings, which is stronger and tougher than standard austenitic steels. Duplex Steel UNS S32205 Pipe Fittings is also resistant to chloride SCC at temperatures of up to about 150ºC. The high oxidation resistance property of Duplex Steel UNS S31803 Pipe Fittings is marred by its embrittlement above 300°C. Duplex Steel UNS S32205 Butt Weld Fittinghas good low temperature toughness. Duplex Steel UNS S31803 Butt Weld Fittings has a maximum hot forming temperature between 2010°F and 2100°F (1100°C to 1150°C). Duplex Steel 2205 Pipe Fittings is a restricted-chemistry version which maintains molybdenum, chromium, and nitrogen content at higher levels. Duplex Steel 2205 Butt Weld Fittings is often used in Chemical, Material handling, Desalination, Oil and Gas extraction, etc. Oxyacetylene welding in Duplex Steel UNS S32205 Tee is not recommended because carbon pickup in the weld metal may occur. Hot working of these Duplex Steel UNS S31803 Reducer under room temperature is recommended whenever possible.

The high molybdenum, nitrogen and chromium contents of our Duplex Steel UNS S32205 Cross provide corrosion resistance superior to common stainless steels. These Duplex Steel UNS S31803 Stub End Pipe Fittings can be utilized positively as a substitute to typical steel provisions in uses where greater potency and confrontation to SCC is essential.

UNS S31803 / S32205 Duplex Pipe Fittings Chemical Composition

S31803 / S32205 C N P Si Mn Mo Fe Cr S Ni
1.0 0.03 0.02 2.0 3.0 – 3.5 22.0 – 23.0 0.03 4.5 – 6.5 0.14 – 0.2 Bal

 

Duplex Steel S31803 / S32205 Buttweld Fittings Mechanical Properties

S31803 / S32205 Density Melting Point Yield Strength (0.2%Offset) Tensile Strength Elongation
7.8 g/cm3 1350 °C (2460 °F) Psi – 80000 , MPa – 550 Psi – 116000 , MPa – 800 15 %

 

Equivalent Grades for UNS S31803 / S32205 Duplex Pipe Fitting

STANDARD UNS WERKSTOFF NR.
Duplex S31803 S31803 1.4462
Duplex S32205 S32205 1.4462