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DUPLEX STEEL OUTLETT FITTINGS

Duplex Steel Outlet Fittings are specialized branch connection fittings designed to provide excellent mechanical strength, superior corrosion resistance, and outstanding resistance to stress corrosion cracking. Manufactured from a combination of austenitic and ferritic stainless steel, these fittings perform reliably in high-pressure and aggressive service environments.

Duplex Steel Outlet Fittings are commonly used to connect branch lines from run pipes and are widely applied in oil & gas, petrochemical, offshore, marine, power generation, and chemical processing industries where durability and structural integrity are critical.

Duplex Steel Outlet Fittings are available in standard duplex grades suitable for demanding operating conditions. The most commonly supplied grades include UNS S31803 and UNS S32205, offering high strength, excellent weldability, and long service life in corrosive environments.

Duplex Steel UNS S31803 Outlet Fitting Duplex Steel UNS S32205 Outlet Fitting Duplex Steel UNS S32205 Outlet Fitting

Duplex Steel Outlet Fittings Manufacturer in India | UNS S31803 & S32205 Supplier

Applications of Duplex Steel Outlet Fittings

● Oil & Gas Pipelines and Offshore Platforms
● Chemical & Petrochemical Processing Plants
● High-Pressure Piping and Process Systems
● Marine, Seawater & Desalination Applications
● Power Generation & Energy Sector
● Fertilizer, Pulp & Paper Industries

Specification Table of Duplex Steel Outlet Fittings

Standard ASTM A815 / ASME SA815
Grades UNS S31803, UNS S32205
Outlet Types Weldolet, Sockolet, Threadolet, Elbolet, Nippolet, Latrolet
Size 1/2″ NB to 48″ NB
Type Seamless / Forged
Surface Finish Pickled, Annealed, Machined

Duplex Steel Outlet Fittings Grades

UNS S31803 – Standard duplex grade offering high yield strength, excellent corrosion resistance, and good weldability
UNS S32205 – Enhanced duplex grade with superior resistance to pitting, crevice corrosion, and stress corrosion cracking

Mechanical Properties (Typical)

Grade Yield Strength (MPa) Tensile Strength (MPa) Elongation %
UNS S31803 450 620 25
UNS S32205 450 620 25