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Duplex Steel S31803 Forged Fittings

Duplex Steel S31803 Forged Fittings

Duplex Steel Forged Fittings Specification :

ASTM A182 / ASME SA182

Dimension Standard :

ASME B16.11, MSS-SP-79, MSS-SP-83, MSS-SP-95, MSS-SP-97, BS3799

Size :

1/8" NB to 4" NB

Type :

Socketweld Fittings, Screwed-Threaded Fittings (NPT or PT Type)

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In today’s demanding industrial landscape, Duplex Steel S31803 Forged Fittings have established themselves as the gold standard for strength, reliability, and long-term performance. Engineered from a unique metallurgical composition that combines the advantages of both ferritic and austenitic stainless steels, S31803 offers superior tensile strength, excellent toughness, and remarkable resistance to stress corrosion cracking and pitting. Forged under extreme temperature and pressure conditions, these fittings gain a refined grain structure that eliminates casting defects and enhances mechanical integrity. The result is a component that performs flawlessly under high-pressure and high-temperature environments where ordinary materials fail. Industries such as oil and gas, petrochemical, power generation, marine, offshore drilling, and chemical processing consistently prefer Duplex Steel S31803 Forged Fittings because they deliver exceptional durability, leak-proof efficiency, and extended service life. For engineers, they represent not just a fitting but a strategic choice—balancing robust performance with long-term cost savings by minimizing downtime, reducing the need for frequent replacements, and ensuring smooth operations even in aggressive, chloride-rich environments.

The historical presence of Duplex Steel S31803 Forged Fittings in India is deeply tied to the nation’s legacy of steel manufacturing excellence and its expanding industrial infrastructure. From early refinery projects and thermal power plants to modern offshore explorations and advanced chemical facilities, Indian industries have long relied on duplex steel to deliver sustainable and future-ready solutions. Indian manufacturers, adhering to stringent international standards such as ASTM, ASME, ANSI, and DIN, ensure each forged fitting undergoes rigorous testing for strength, corrosion resistance, and dimensional precision—instilling confidence in engineers and global buyers alike. This commitment to quality has not only strengthened India’s position as a trusted supplier of duplex steel forged fittings but also reinforced its industrial growth narrative. Engineers prefer Duplex S31803 because it bridges the gap between standard stainless steel and high-performance alloys, offering durability and long-lasting reliability at a competitive cost. By blending historical expertise with cutting-edge forging technology, India has cemented Duplex Steel S31803 Forged Fittings as symbols of strength, trust, and endurance—solutions that power industries today and will continue to safeguard infrastructure tomorrow.

S31803/S32205 Duplex Steel Forged Fittings Equivalent Grades

STANDARD WNR.
Duplex S31803 / S32205 1.4462

Duplex S31803/S32205 Socket Weld Elbow

Duplex Steel S31803 Forged Elbow, UNS S31803 / S32205 Threaded Elbow, DIN 1.4462 Forged Elbow, ASME SA 182 Duplex SAF 2205 45 deg Threaded Elbow, Duplex Stainless Steel S31803 90 deg Forged Elbow

Duplex S31803/S32205 Socket Weld Elbow

Duplex S31803 Forged Tee

ASME SA182 Duplex S32205 Socket Weld Tee, ASTM A182 Duplex Steel S31803 Forged Equal Tee, DIN 1.4462 Reducing Tee, UNS S32205 Unequal Tee, Duplex Stainless Steel S31803 Reducing Tee, Duplex S32205 Threaded Equal Tee

Duplex S31803 Forged Tee

Duplex S31803/S32205 Forged Cross

Duplex A182 SAF 2205 Threaded Equal Cross, DIN 1.4462 Forged Cross, ASME SA182 Duplex S32205 Socketweld Equal Cross, Duplex S31803 Threaded Cross, Duplex S31803 Reducing Cross, Duplex S32205 Forged Unequal Cross Supplier

Duplex S31803/S32205 Forged Cross

Duplex S31803 Full Coupling

DIN 1.4462 Threaded Full Coupling, UNS S31803 Forged Full Coupling, ASME SA 182 Duplex Steel S32205 Socketweld Full Coupling, ASTM A182 S31803 Duplex Full Coupling

Duplex S31803 Full Coupling

Duplex S31803 Forged Half Coupling

ASTM A182 SAF 2205 Duplex Steel Socket Weld Half Coupling, Duplex UNS S31803/ S32205 Half Coupling, ANSI B16.11 Duplex S31803 Threaded Half Coupling

Duplex S31803 Forged Half Coupling

Duplex S31803/S32205 Forged Pipe Cap

UNS S31803 Forged Pipe End Cap, Duplex Steel S31803 Threaded Pipe Cap, ASTM A182 SAF 2205 Duplex Steel Socket weld Pipe Cap, ASME SA 182 Duplex S32205 Forged Pipe End Cap

Duplex S31803/S32205 Forged Pipe Cap

Duplex S31803/S32205 Forged Union

UNS S31803 Socket weld Union, ANSI B16.5 Duplex Steel S31803 Union, ASTM A182 SAF 2205 Duplex Steel Threaded Union, ASME SA 182 Duplex S31803 / S32205 Forged Union

Duplex S31803/S32205 Forged Union

Duplex S31803/S32205 Forged Bushing

UNS S31803 Bushing, B16.36 Duplex Steel S31803 Hex Head Bushing, ASTM A182 SAF 2205 Duplex Steel Threaded Bushing, ASME SA 182 Duplex S31803 / S32205 Forged Threaded Bushing

Duplex S31803/S32205 Forged Bushing

Duplex S31803/S32205 Forged Nipple

UNS S31803 Threaded Nipple, B16.36 Duplex S31803 Socketweld Nipple ASTM A182 SAF 2205 Duplex Steel Swage Nipple, ASME SA 182 Duplex S31803 Hex Nipple, Duplex S32205 Screwed Pipe Nipple

Duplex S31803/S32205 Forged Nipple

Duplex Steel Forged Fittings Specification :

ASTM A182 / ASME SA182

Dimension Standard :

ASME B16.11, MSS-SP-79, MSS-SP-83, MSS-SP-95, MSS-SP-97, BS3799

Size :

1/8" NB to 4" NB

Type :

Socketweld Fittings, Screwed-Threaded Fittings (NPT or PT Type)

Rating Pressure :

Threaded End - 2000 /3000/ 6000 LBS. Socket-weld End - 3000 / 6000/ 9000 LBS.

Chemical Composition of Duplex Steel S31803/S32205 Forged Fittings

Grade Common Name C% Mn% Si% P% S% Cr% Ni% Mo% N%
2205 S31803 0.030 2.00 1.00 0.030 0.020 21.0-23.0 4.5-6.5 2.5-3.5 0.08-0.20
2205 S32205 0.030 2.00 1.00 0.030 0.020 22.0-23.0 4.5-6.5 3.0-3.5 0.14-0.20

Mechanical Properties Of Duplex Steel S31803/S32205 Forged Fittings

Tensile strength 620MPa min Density 7,805kg/m3
Yield strength 450MPa mi Elastic modulus 200GPa

Physical Properties of S31803/S32205 Duplex Steel Forged Fittings

Elongation 25% min Mean coefficient of thermal expansion
Brinell hardness 293 HB max 0-100oC 13.7µm/m/oC
Rockwell hardness 31 HR C max   0-315oC

Our Duplex Steel S31803 Forged Fittings are used in a wide range of applications and various industries. Below are a few of them:

Application Industries

Application Industries

Aerospace Industry

Aerospace Industry

Food Processing Industry

Food Processing Industry

Pulp & Paper Indusry

Pulp & Paper Indusry

Energy Industry

Energy Industry

Pharmaceuticals Industry

Pharmaceuticals Industry

Power Plant Industry

Power Plant Industry

Chemical Industry

Chemical Industry

Oil and Gas Industry

Oil and Gas Industry

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