Super Duplex Pipe Fittings Manufacturer Exporter & Supplier
Metinox Overseas is a trusted manufacturer, supplier, and exporter of super duplex pipe fittings designed for high-pressure, corrosive, and chloride-rich industrial environments. Manufactured using premium quality super duplex stainless steel UNS S32750, our fittings offer an excellent combination of superior tensile strength, exceptional pitting resistance, and long-lasting durability. We supply a complete range of super duplex fittings in buttweld, forged, seamless, and welded forms that meet international quality standards and demanding project requirements.
Our product range is widely appreciated for its balanced austenitic-ferritic microstructure, making it ideal for aggressive media where ordinary stainless steel grades fail. As a reliable source for s32750 super duplex products, Metinox Overseas ensures every fitting is produced with precision engineering, dimensional accuracy, and strict quality testing. We also provide material compliant with ASTM A790 UNS S32750, SA 789 UNS S32750, and A182 F53 chemical composition requirements to support offshore, marine, chemical processing, desalination, oil & gas, and power generation sectors.
Being one of the preferred exporters of super duplex UNS S32750 components, we focus on corrosion resistance, high mechanical performance, and competitive pricing. Our inventory includes elbows, tees, reducers, stub ends, caps, couplings, unions, nipples, and custom fabricated products. With advanced production capability and ready stock availability, Metinox Overseas delivers super duplex stainless steel UNS S32750 pipe fittings that fulfill both domestic and international industrial applications with complete certification and prompt dispatch.
Request a QuoteTable of Contents
- Super Duplex Pipe Fittings Specification
- Types of Super Duplex Pipe Fittings
- Solution Annealing Temperature
- Chemical Analysis
- Mechanical Strength Properties
- Physical Characteristics
- International Equivalent Grades
- Reducer Dimensions Chart
- Tensile Strength
- Weight Chart
- Dimensional Tolerances
- Surface Finishes
- Sizes
- Price
- Applications & Uses
- Why Choose Metinox Overseas
- People Ask About Super Duplex Pipe Fittings
Super Duplex Pipe Fittings Specification
| Specification | Details |
|---|---|
| Stock Sizes | Seamless: 1/2"-10" (SCH 10-160), Welded: 1/2"-48" |
| Standards | MSS-SP-43, ASME B16.28, ANSI B16.9, ASTM A815 / ASME SA 815 |
| Finish | Polished, Mill Finish, Pickled |
| Manufacturing Method | Seamless, Welded, Fabricated |
| Bending Radius | 1D, 2D, 3D, 5D |
| Advantages | High Strength, Good Thermal Conductivity, Excellent Weldability |
| Origin | Indian, Japanese, Korean, European, American |
| Applicable Fluids | Water, Steam, Air |
| Testing | Ultrasonic Test, HIC Test, PMI |
| Bending Methods | Rotary Draw, Ram-Type, Mandrel, Roll Bending |
| Forms | Elbow, Tee, Reducer, Cap |
| Documentation | Radiography Report, Third-Party Inspection |
| Manufacturing Process | Hot Forming, Mandrel Process |
| Applications | Marine, Power Plants, Flue Gas Systems |
| Packaging | Bubble Wrap, Wooden Boxes, Custom Packing |
Types of Super Duplex Pipe Fittings
Super Duplex 2507 Pipe Fittings (UNS S32750)
Super Duplex S32760 Pipe Fittings
ASTM A815 S32750 Pipe Fittings
ASTM A815 S32760 Pipe Fittings
Super Duplex 2507 Pipe Fittings (UNS S32750)
These fittings are known for their high strength and excellent resistance to chloride-induced corrosion. UNS S32750 is widely used in offshore and chemical industries.
Super Duplex S32760 Pipe Fittings
S32760 fittings offer enhanced corrosion resistance and are ideal for aggressive environments such as seawater applications and desalination plants.
ASTM A815 S32750 Pipe Fittings
Manufactured under ASTM standards, these fittings ensure high durability, dimensional accuracy, and resistance to harsh industrial conditions.
ASTM A815 S32760 Pipe Fittings
These fittings provide improved mechanical properties and are suitable for high-pressure systems requiring long-term reliability.
Solution Annealing Temperature of Super Duplex Buttweld Pipe Fittings
| Product Processing Standard | Recommended Temperature in °F | Recommended Temperature in °C | Cooling Method |
|---|---|---|---|
| Super Duplex Buttweld Pipe Fittings Heat Treatment | 1900°F - 1925°F | 1040°C - 1100°C | Rapid Water Quenching |
Note: Super duplex fittings are generally solution annealed at elevated temperatures to maintain balanced ferrite-austenite microstructure and to enhance corrosion resistance in chloride environments.
Chemical Analysis of Super Duplex Stainless Steel Pipe Fittings
| Super Duplex Grade | Carbon (C) Max | Manganese (Mn) Max | Phosphorus (P) Max | Sulfur (S) Max | Silicon (Si) Max | Chromium (Cr) | Nickel (Ni) | Molybdenum (Mo) | Nitrogen (N) | Copper (Cu) |
|---|---|---|---|---|---|---|---|---|---|---|
| UNS S32750 / F53 | 0.03 | 1.20 | 0.035 | 0.020 | 0.80 | 24.0 - 26.0 | 6.0 - 8.0 | 3.0 - 5.0 | 0.24 - 0.32 | 0.50 Max |
| UNS S32760 / F55 | 0.03 | 1.00 | 0.030 | 0.010 | 1.00 | 24.0 - 26.0 | 6.0 - 8.0 | 3.0 - 4.0 | 0.20 - 0.30 | 0.50 - 1.00 |
Mechanical Strength Properties of Super Duplex Buttweld Fittings
| Material Grade | Ultimate Tensile Strength (MPa) | Minimum Yield Strength (MPa) | Elongation in 50 mm (%) | Hardness Limit (HB) |
|---|---|---|---|---|
| Super Duplex UNS S32750 | 800 MPa | 550 MPa | 15% Minimum | 310 HB Max |
| Super Duplex UNS S32760 | 750 MPa | 550 MPa | 25% Minimum | 300 HB Max |
Note: S32760's higher elongation reflects its modified chemistry (Cu + W additions), which improves ductility. UTS difference is within grade-standard variation and does not affect fitness-for-purpose in most applications.
Physical Characteristics of Super Duplex Stainless Steel Pipe Fittings
| Density (lb/in³) | Elastic Modulus (psi x 106) | Thermal Expansion Coefficient (68-212°F) | Thermal Conductivity (Btu/h·ft·°F) | Specific Heat Capacity (Btu/lb·°F) | Electrical Resistivity (W-in x10-6) |
|---|---|---|---|---|---|
| 0.28 | 29.0 | 7.2 x10-6/°F | 8.7 | 0.12 | 31.5 |
International Equivalent Grades of Super Duplex Pipe Fittings
| Commercial Grade Name | ASTM / ASME Specification | UNS Number | Werkstoff Number | Forging Grade Equivalent |
|---|---|---|---|---|
| Super Duplex 2507 Pipe Fittings | ASTM A815 UNS S32750 | S32750 | 1.4410 | ASTM A182 F53 |
| Super Duplex 2507 / F55 Pipe Fittings | ASTM A815 UNS S32760 | S32760 | 1.4501 / 1.4410 | ASTM A182 F55 |
Super Duplex Reducer Dimensions Chart
The following chart outlines the standard dimensions of super duplex reducers, including nominal pipe size (NPS) and corresponding outside diameters.
| NPS (Inch) | Large End OD (D) | Small End OD (P) |
|---|---|---|
| 3 x 2 | 88.09 | 60.03 |
| 3 1/2 x 1 1/4 | 101.06 | 42.02 |
| 4 x 2 1/2 | 114.03 | 73 |
| 5 x 4 | 141.03 | 114.03 |
| 5 x 3 1/2 | 141.03 | 101.06 |
| 6 x 3 | 168.03 | 88.09 |
| 8 x 6 | 219.01 | 168.03 |
| 10 x 8 | 273.01 | 219.01 |
| 12 x 10 | 323.09 | 273.01 |
| 14 x 12 | 355.06 | 323.09 |
| 16 x 14 | 406.04 | 355.06 |
| 18 x 16 | 457 | 406.04 |
| 20 x 18 | 508 | 457 |
| 22 x 20 | 559 | 508 |
| 24 x 22 | 610 | 559 |
| 3 x 2 1/2 | 88.09 | 73 |
| 2 x 1 | 60.03 | 33.04 |
| 2 1/2 x 1 | 73 | 33.04 |
| 2 x 1 1/4 | 60.03 | 42.02 |
| 1 1/2 x 1/2 | 48.03 | 21.03 |
| 1 x 3/4 | 33.04 | 26.07 |
| 3/4 x 1/2 | 26.07 | 21.03 |
Tensile Strength of Super Duplex Stainless Steel Fittings
Super duplex stainless steel fittings are known for their excellent mechanical strength across varying temperatures. Below is a reference for tensile strength performance:
| Temperature (°F) | Tensile Strength (KSI) |
|---|---|
| 122°F | 96 KSI |
| 212°F | 90 KSI |
| 392°F | 83 KSI |
| 572°F | 81 KSI |
Tensile Strength of Super Duplex Pipe Fittings
| Temperature (°F) | Tensile Strength (KSI) |
|---|---|
| 122°F | 96 |
| 212°F | 90 |
| 392°F | 83 |
| 572°F | 81 |
Weight Chart of Super Duplex Stainless Steel Pipe Fittings
| NPS (Inch) | Weight (kg) |
|---|---|
| 1/2 | 0.16 |
| 3/4 | 0.20 |
| 1 | 0.34 |
| 1 1/4 | 0.59 |
| 1 1/2 | 0.91 |
| 2 | 1.59 |
| 2 1/2 | 2.72 |
| 3 | 3.18 |
| 3 1/2 | 4.08 |
| 4 | 5.44 |
| 5 | 9.53 |
| 6 | 15.42 |
| 8 | 24.95 |
Super Duplex Pipe Fittings Dimensional Tolerances
| Nominal Pipe Size | O.D Tolerance | Overall Length (F) | Lap OD (G) | Lap Thickness (T) | Fillet Radius (R) |
|---|---|---|---|---|---|
| 1/2" - 2 1/2" | ±0.8 | +1.6 / 0 | +0 / -0.76 | +1.52 / 0 | +0 / -0.76 |
| 3" - 3 1/2" | ±0.8 | +1.6 / 0 | +0 / -0.76 | +1.52 / 0 | +0 / -0.76 |
| 4" | ±0.8 | +1.6 / 0 | +0 / -0.76 | +1.52 / 0 | +0 / -1.6 |
| 5" - 8" | +1.6 / -0.8 | ±1.6 | +0 / -0.76 | +1.52 / 0 | +0 / -1.6 |
| 10" - 18" | +2.29 / -0.76 | ±2 | +0 / -1.6 | +1.52 / 0 | +0 / -1.6 |
| 20" - 24" | +3.05 / -0.76 | ±2 | +0 / -1.6 | +1.52 / 0 | +0 / -1.6 |
Surface Finishes of Super Duplex Pipe Fittings
Super duplex pipe fittings are available in a variety of surface finishes to suit different industrial and aesthetic requirements:
- 2B Finish: Smooth, standard industrial finish
- Mirror Finish: Highly reflective, used for decorative applications
- Mill Finish: Raw finish directly from manufacturing
- Polished Finish: Enhanced smoothness and appearance
- Bead Blasted Finish: Matte texture for uniform surface look
Super Duplex Pipe Fittings Sizes
| Size Range | Outer Diameter | Thickness | Type |
|---|---|---|---|
| 1/2" - 2" | 15 mm - 60 mm | SCH 10 - SCH 80 | Seamless |
| 2" - 10" | 60 mm - 273 mm | SCH 20 - SCH 160 | Welded |
| 10" - 24" | 273 mm - 610 mm | SCH 40 - SCH XXS | Fabricated |
| 24" - 48" | 610 mm - 1219 mm | Custom Thickness | Custom |
Super Duplex Pipe Fittings Price
| Product Type | Price Range (INR) | Price Range (USD) |
|---|---|---|
| Elbow | ₹500 - ₹5000 | $6 - $60 |
| Tee | ₹800 - ₹7000 | $10 - $85 |
| Reducer | ₹700 - ₹6000 | $8 - $75 |
| Stub End | ₹600 - ₹5500 | $7 - $70 |
| Custom Fittings | On Request | On Request |
Note: Prices vary based on size, grade, and quantity.
Applications & Uses of Super Duplex Pipe Fittings
Super Duplex Pipe Fittings are widely used across various industries due to their high strength and corrosion resistance. Common applications include:
- Oil & Gas Industry
- Petrochemical Plants
- Marine and Shipbuilding
- Chemical Processing Industries
- Desalination Plants
- Power Generation
- Offshore Platforms
These fittings are especially suitable for environments exposed to seawater, chemicals, and high-pressure systems.
Why Choose Metinox Overseas
Metinox Overseas is a trusted supplier of high-quality pipe fittings with a strong reputation in the global market. We focus on delivering products that meet international standards and customer expectations.
- Stock available in NPS 1/2" to 48" across UNS S32750 and S32760, one of the widest ready-stock ranges among Indian exporters.
- Every heat lot undergoes PMI, hydrostatic, and ultrasonic testing; MTC to EN 10204 3.1 / 3.2 available on request.
- Competitive pricing and timely delivery
- Custom manufacturing options
- Exported to 30+ countries including UAE, Norway, Australia, and the United States with freight, documentation, and customs support provided.
Choosing Metinox Overseas ensures you receive durable, reliable, and high-performance pipe fittings tailored to your industrial requirements.
People Ask About Super Duplex Pipe Fittings
Super Duplex Pipe Fittings are high-strength stainless steel components designed for corrosive and high-pressure environments. They offer excellent resistance to pitting, stress corrosion, and harsh chemicals.
The most commonly used grades include UNS S32750 (2507) and UNS S32760, both known for superior strength and corrosion resistance in demanding applications.
These fittings are widely used in industries such as oil & gas, marine, petrochemical, desalination plants, and power generation due to their durability and performance.
They are available in various forms including elbows, tees, reducers, caps, stub ends, couplings, and crosses.
Super Duplex fittings are typically available from 1/2 inch to 48 inches, covering both seamless and welded types with different pressure ratings.
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