Duplex and Super Duplex Steel Socket Weld Fittings
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Aashish Metal is a leading manufacturer, supplier, and exporter of Duplex and Super Duplex Steel Socket Weld Fittings in India, delivering high-performance forged components for demanding industrial applications. Our range of ASME B16.11 and ASTM A182 compliant socket weld elbows, tees, unions, couplings, and caps is engineered for high-pressure, small-bore piping systems that require superior strength and leak-proof performance. Designed for aggressive chloride, seawater, and chemical environments, Duplex 2205 and Super Duplex 2507 socket weld fittings offer exceptional corrosion resistance and structural stability. With strict quality control, material traceability, and fast delivery across India, Aashish Metal ensures reliable forged socket weld fittings for offshore platforms, petrochemical plants, desalination units, and process piping networks.
Duplex Steel 2205 Socket Weld Elbow and Super Duplex Steel Forged Socket Weld 90 Degree Elbow with Duplex Socket Weld Coupling Ferritic Austenitic Super Duplex Socket Weld Cross and Duplex Stainless Steel Socket Weld Tee Exporter in India
Duplex Steel 2205 and Super Duplex 2507 socket weld fittings are engineered for high-pressure and high-temperature piping systems where corrosion resistance, dimensional accuracy, and long-term reliability are essential. These forged socket weld elbows, tees, couplings, crosses, and caps perform exceptionally well in chloride-rich and acidic environments, making them ideal for offshore oil and gas platforms, desalination plants, petrochemical units, and marine engineering systems.
Duplex 2205 socket weld couplings and tees ensure secure, leak-proof connections for critical flow lines, while Super Duplex S32750 and S32760 90-degree elbows provide superior strength and enhanced resistance to pitting and stress corrosion cracking. All fittings are manufactured as per ASTM A182 and ASME B16.11 standards, ensuring precise tolerances and safe performance in high-pressure service.
Aashish Metal supplies a complete range of Duplex and Super Duplex socket weld fittings with full material traceability, quality testing, and timely delivery for industrial projects across India.
- Comprehensive Range of Duplex and Super Duplex Steel Socket Weld Fittings for High Pressure Piping Systems
- Super Duplex Steel S32750 / S32760 Socket Weld Fittings
- Super Duplex F55 Socket Weld Fittings
- Super Duplex F60 Socket Weld Fittings
- Specifications of Duplex and Super Duplex Steel Forged Socket Weld Fittings
- Available Duplex and Super Duplex Socket Weld Forged Fittings
- Equivalent Grades of Duplex and Super Duplex Socket Weld Fittings
- Chemical Composition of Duplex and Super Duplex Socket Weld Fittings
- Mechanical Properties of Duplex and Super Duplex Socket Weld Fittings
- Test Certificates for Duplex and Super Duplex Steel Socket Weld Fittings
- Packaging of Duplex and Super Duplex Steel Socket Weld Fittings
- Why Aashish Metal for Duplex and Super Duplex Steel Socket Weld Fittings?
- Applications of Duplex and Super Duplex Steel Socket Weld Fittings
- Frequently asked questions on Duplex and Super Duplex Steel Socket Weld Fittings
Comprehensive Range of Duplex and Super Duplex Steel Socket Weld Fittings for High Pressure Piping Systems
Duplex Steel S31803 / S32205 Socket Weld Fittings
Duplex Steel S31803 and S32205 Socket Weld Fittings are widely preferred for medium to high-pressure flow systems requiring durable forged joints and strong corrosion resistance. Their ferritic–austenitic structure gives them higher yield strength, making them suitable for compact piping layouts, small-bore high-pressure connections, and corrosive fluid handling. These fittings, such as elbows, crosses, tees, caps, and couplings, are used commonly in heat exchangers, water injection systems, desalination units, and industrial chemical loops.
Produced as per ASTM A182 and ASME B16.11 guidelines, Duplex 2205 socket weld components provide excellent dimensional stability and secure welding compatibility. Their strong chromium–molybdenum balance ensures superior resistance to pitting and SCC, even in chloride-rich and acidic environments.
Aashish Metal delivers certified Duplex S31803/S32205 Socket Weld Fittings with EN 10204 test reports, ensuring traceability and long-term operational safety.
Duplex F51 Socket Weld Fittings
Duplex F51 Socket Weld Fittings are developed for applications requiring stronger mechanical performance than standard austenitic grades while maintaining excellent weld integrity. F51 fittings offer solid resistance against erosion, oxidation, and turbulent flow, making them suitable for brine systems, condenser pipelines, and high-pressure utility lines in refineries. F51 elbows, tees, couplings, and unions are also used in pulp and paper industries due to their stability in caustic environments.
Complying with ASTM A182 and ASME B16.11 standards, Duplex F51 forged fittings guarantee tight tolerances, smooth weld transitions, and fatigue resistance in cyclic loading conditions. Their two-phase microstructure ensures higher structural stability, even in high-temperature and high-chloride environments.
Aashish Metal supplies Duplex F51 Socket Weld Fittings with complete traceability, quality inspections, and delivery support for onshore and offshore projects in India.
Super Duplex Steel S32750 / S32760 Socket Weld Fittings
Super Duplex S32750 and S32760 Socket Weld Fittings are engineered for extremely demanding environments where enhanced strength, corrosive media resistance, and long-term sealing integrity are mandatory. Their high chromium–nitrogen–molybdenum composition provides superior pitting resistance, making them ideal for deep-sea exploration, desalination high-pressure pumps, subsea manifolds, and chemical injection lines.
These fittings—45° and 90° elbows, crosses, tees, and couplings—are manufactured under ASTM A182 and ASME B16.11 standards to maintain precise dimensional accuracy. Their exceptional tensile strength and resistance to SCC make them suitable for high-pressure hydrocarbon processes and harsh offshore climates.
Aashish Metal provides Super Duplex 2507 Socket Weld Fittings with verifiable MTCs, PMI test results, and stringent QC procedures to ensure suitability for critical engineering applications.
Super Duplex F55 Socket Weld Fittings
Super Duplex F55 Socket Weld Fittings are specialized for systems that face elevated chloride content, fluctuating temperatures, and severe acidic exposure. F55 offers superior fatigue resistance and exceptional strength, making it suitable for desalination evaporators, marine risers, firewater lines, and organic acid processing units. These forged fittings ensure secure and vibration-resistant joints in compact high-pressure piping layouts.
Manufactured as per ASTM A182 and ASME B16.11 specifications, F55 fittings maintain consistent dimensional precision, leak-proof weld compatibility, and structural reliability. Their enhanced PREN values allow them to withstand aggressive pitting conditions better than standard Super Duplex grades.
Aashish Metal supplies F55 Socket Weld Fittings with third-party inspection support, heat-number traceability, and export-grade packaging for global customers.
Super Duplex F60 Socket Weld Fittings
Super Duplex F60 Socket Weld Fittings are designed for process systems exposed to a combination of high temperature, corrosive brine, and mechanical stress. F60 fittings demonstrate strong resistance to SCC and erosion, making them ideal for chemical injection skids, offshore mud handling lines, cooling water systems, and petrochemical cracking units.
Strictly produced as per ASTM A182 and ASME B16.11 standards, F60 forged fittings deliver stable performance in high-pressure conditions while ensuring consistent weldability and dimensional accuracy. Their superior nitrogen and chromium composition supports long service life in industrial fluid circulation systems.
Aashish Metal offers certified Super Duplex F60 Socket Weld Fittings with complete QA documentation and timely delivery for heavy-duty project applications.
Specifications of Duplex and Super Duplex Steel Forged Socket Weld Fittings
| Specification Category | Details |
|---|---|
| Material Grades | Duplex S31803, S32205, F51; Super Duplex S32750, S32760, F53, F55, F60 |
| Standards | ASTM A182, ASME SA182, ASME B16.11 |
| Manufacturing Type | Forged Socket Weld Fittings |
| Fitting Types | Elbow 45°/90°, Tee, Union, Coupling, Half Coupling, Cross, Cap, Plug |
| Class / Pressure Rating | Class 3000, Class 6000, Class 9000 |
| Size Range | 1/8” to 4” (DN6 to DN100) |
| End Connections | Socket Weld as per ASME B16.11 |
| Mechanical Strength | Higher yield and tensile strength compared to austenitic stainless steels |
| Corrosion Resistance | Excellent resistance to pitting, crevice corrosion and chloride attack |
| Testing & Certification | PMI Test, Hydro Test, NDT, MTC EN 10204 3.1 |
| Applications | Offshore, Petrochemical, Desalination, Marine Systems, Refineries |
Available Duplex and Super Duplex Socket Weld Forged Fittings
Duplex & Super Duplex Steel Socket Weld Elbow
Duplex & Super Duplex Steel Socket weld Tee
Duplex & Super Duplex Steel Socket weld Coupling
Duplex & Super Duplex Steel ocket weld Cross
Duplex & Super Duplex Steel Socket weld Union
Duplex & Super Duplex Steel Socket weld Plug
Duplex & Super Duplex Steel Socket weld Bushing
Duplex & Super Duplex Steel Socket weld Cap
Duplex & Super Duplex Steel Socket weld 90 Deg Elbow
Equivalent Grades of Duplex and Super Duplex Socket Weld Fittings
| STANDARD | UNS | WNR. |
|---|---|---|
| Duplex 2205 | S31803 / S32205 | 1.4462 |
| Super Duplex 2507 | S32750 / S32760 | 1.4410 |
Chemical Composition of Duplex and Super Duplex Socket Weld Fittings
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
|---|---|---|---|---|---|---|---|---|---|---|
| Duplex S31803 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 – 23.0 | 3.0 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
| Duplex S32205 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 21.0 – 23.0 | 2.50 – 3.50 | 4.50 – 6.50 | 0.8 – 0.20 | 63.54 min |
| Duplex S32750 | 0.030 max | 1.20 max | 0.80 max | 0.035 max | 0.020 max | 24.00 – 26.00 | 3.00 – 5.00 | 6.00 – 8.00 | 0.24 – 0.32 | 58.095 min |
| Duplex S32760 | 0.05 max | 1.00 max | 1.00 max | 0.030 max | 0.010 max | 24.00 – 26.00 | 3.00 – 4.00 | 6.00 – 8.00 | 0.20 – 0.30 | 57.61 min |
Mechanical Properties of Duplex and Super Duplex Socket Weld Fittings
| Element | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
|---|---|---|---|---|
| S31803 / S32205 | ||||
| S32750 / S32760 | 7.8 | 0.281 | 1350 | 2460 |
Get Pricing for Duplex and Super Duplex Socket Weld Fittings
Test Certificates for Duplex and Super Duplex Steel Socket Weld Fittings
Aashish Metal provides complete test certification for all Duplex and Super Duplex Steel Socket Weld Fittings, ensuring material reliability, compliance, and traceability. Each batch of forged socket weld fittings is supplied with certificates as per EN 10204 standards and industry-required documentation. Our Duplex 2205, F51, and Super Duplex 2507, F53, F55 socket weld fittings undergo detailed evaluation to guarantee performance in high-pressure and corrosive environments.
Certification Documents Provided
- EN 10204 3.1B Certificate
- Raw Material Certificate
- 100 Percent Radiography Test Report
- Third Party Inspection Report
- NACE MR01075 compliance (on request)
- Ferrite Content Report as per project requirements
Value Added Services for Duplex and Super Duplex Socket Weld Fittings
We conduct strict testing on all ASTM A182 Duplex Socket Weld Fittings and ASME SA182 Super Duplex Socket Weld Fittings to ensure long-term performance in industrial systems. Our in-house and third-party tests verify mechanical strength, corrosion resistance, chemistry control, and dimensional accuracy of forged fittings.
Material Testing Performed
- Mechanical Testing
- Hardness Test
- Spectro Chemical Analysis
- Positive Material Identification (PMI Test)
- Micro and Macro Test
- Flattening and Flaring Test
- Intergranular Corrosion (IGC) Test
- Pitting Resistance Test
Documentation Support for Duplex and Super Duplex Forged Socket Weld Fittings
We provide complete documentation for Duplex and Super Duplex forged socket weld fittings, ensuring project compliance for oil and gas, petrochemical, marine, and desalination industries.
Documentation Provided
- Commercial Invoice with HS Code
- Packing List with Net/Gross Weight
- Certificate of Origin
- Fumigation Certificate
- Material Traceability Records
- Material Test Certificates EN 10204 3.1 / 3.2
- NABL Approved Lab Test Reports
- WPS/PQR Certifications
- Guarantee Letter
Packaging of Duplex and Super Duplex Steel Socket Weld Fittings
All Duplex and Super Duplex Socket Weld Fittings are carefully packaged to prevent damage during transportation. For exports, fittings are securely packed in wooden cases to maintain surface finish and dimensional integrity. Each socket weld elbow, tee, coupling, union, and cap is marked with grade, size, heat number, and batch details for full traceability.
Packaging Features
- Export-grade wooden boxes
- Clear marking of grade, size, heat number
- Moisture-protected packaging
- Custom marking on request
- Fast dispatch from our warehouse
Why Aashish Metal for Duplex and Super Duplex Steel Socket Weld Fittings?
Aashish Metal is a trusted supplier of Duplex and Super Duplex Steel Socket Weld Fittings, delivering high-quality forged components for demanding industrial applications. Our expertise in Duplex 2205, F51, and Super Duplex 2507, F53, F55, and F60 materials ensures that every socket weld elbow, tee, coupling, union, and cap meets strict performance and durability standards.
We follow ASTM A182 and ASME B16.11 manufacturing guidelines, ensuring precision, leak-proof welding compatibility, and dimensional accuracy across all forged fittings. Every product undergoes comprehensive testing, including PMI, hardness, mechanical, radiography, and corrosion resistance checks, guaranteeing reliability for high-pressure systems used in offshore, marine, petrochemical, and desalination industries.
Aashish Metal maintains strong inventory levels, enabling faster dispatch for urgent project requirements. Our fittings come with complete documentation, including EN 10204 test certificates, material traceability records, and third-party inspection approvals. We also offer custom marking, packaging, and export-compliant solutions to support global shipments.
With consistent quality, competitive pricing, and dedicated customer support, Aashish Metal is the preferred partner for companies seeking dependable Duplex and Super Duplex socket weld fittings with long-term service performance.
Applications of Duplex and Super Duplex Steel Socket Weld Fittings
Duplex and Super Duplex Steel Socket Weld Fittings are widely used in industries that demand high strength, corrosion resistance, and reliable leak-proof piping connections. Their superior mechanical properties and excellent resistance to chlorides, seawater environments, and aggressive chemicals make them suitable for multiple critical operations.
Applications
- Offshore oil and gas platforms
- Subsea and marine engineering systems
- Desalination and water treatment plants
- Chemical and petrochemical processing units
- High-pressure fluid and gas transmission pipelines
- Heat exchangers, condensers, and pressure vessels
- Pulp and paper manufacturing industries
- Refineries and fertilizer plants
- Power generation and energy infrastructure
- Fire-fighting and high-temperature process piping
For More Information About Duplex and Super Duplex Steel Socket please call +91-22-66362223 / 66394926 or send an email to export@aashishmetal.com
Frequently asked questions on Duplex and Super Duplex Steel Socket Weld Fittings
Duplex and Super Duplex Steel Socket Weld Fittings are used in high-pressure and high-temperature piping systems where superior corrosion resistance and strength are required. They are commonly installed in offshore oil and gas platforms, desalination plants, chemical processing systems, and marine engineering networks.
Duplex 2205 provides excellent strength and corrosion resistance, making it suitable for most industrial applications. Super Duplex 2507 offers higher chromium, molybdenum, and nitrogen levels, delivering superior resistance to chlorides, pitting, and stress corrosion cracking. It is preferred for more aggressive and high-stress environments.
Most Duplex and Super Duplex Socket Weld Fittings are manufactured to ASTM A182 and ASME B16.11 standards. These standards define material chemistry, forging requirements, pressure class, and dimensional tolerances to ensure leak-proof, high-performance pipe connections.
Yes. Duplex 2205 and Super Duplex 2507 provide excellent resistance to seawater corrosion, chlorides, and biofouling. This makes them ideal for desalination equipment, offshore pipelines, marine structures, and subsea process systems.
Common types include socket weld elbows, tees, couplings, unions, crosses, plugs, bushings, and caps. These forged fittings ensure strong, leak-free joints for high-pressure industrial flow systems.
Testing typically includes PMI testing, hardness test, mechanical test, chemical analysis, radiography, IGC test, pitting resistance test, and third-party inspection. These tests ensure compliance with ASTM A182, ASME SA182, and EN 10204 standards.
Yes. Manufacturers provide EN 10204 3.1 certificates, raw material test reports, radiography test reports, and third-party inspection documents. This ensures full material traceability and compliance for engineering projects.
Export Country
MIDDLE EAST Saudi Arabia | AFRICA Nigeria NORTH AMERICA Usa | EUROPE Russia | ASIA India SOUTH AMERICA Argentina |
