High Quality Super Duplex Buttweld Pipe Fittings
S32750/S32760 • Strength • Sealing • Durability
Get a QuotePremium Super Duplex S32750/S32760 Buttweld Pipe Fittings by Ratnadeep Steel & Engg. Co.
Ratnadeep Steel & Engg. Co. is a trusted manufacturer, exporter, & supplier of Super Duplex Steel S32750/S32760 Buttweld Pipe Fittings. Produced from advanced super duplex stainless steel alloys, these fittings offer exceptional mechanical strength, superior corrosion resistance, & long-term durability for the most demanding industrial environments.
Super Duplex Stainless Steel S32750/S32760 is specifically engineered to provide excellent resistance to pitting, crevice corrosion, erosion corrosion, & stress corrosion cracking, even in high-chloride & marine conditions. With considerably higher strength than standard duplex & austenitic stainless steels, these fittings are ideal for critical applications in offshore oil & gas, chemical processing, desalination plants, seawater handling systems, & power generation. Our buttweld fittings feature precision-beveled ends for full-penetration welding, ensuring strong, leak-proof, & durable joints.
Designed to ensure smooth internal flow, reduced turbulence, & improved operational efficiency, our Super Duplex Steel buttweld pipe fittings are perfectly suited for pipelines, pressure vessels, heat exchangers, & high-pressure industrial systems operating under extreme service conditions. Choose Ratnadeep Steel & Engg. Co. for premium-quality Super Duplex Steel S32750/S32760 buttweld fittings that comply with international standards & stringent industrial specifications.
- Super Duplex Steel 90° Elbow
- UNS S32750 45° Elbow
- UNS S32760 180° Elbow
- Super Duplex 2507 LR Elbow
- DIN 1.4410 SR Elbow
- ANSI B16.9 Super Duplex Steel 90° Short Radius Elbow
- Super Duplex Steel 45° Long Radius Elbow
- ASME B16.9 Super Duplex Steel S32750 Equal Tee
- UNS S32760 Pipe Tee
- DIN 1.4410 Butt weld Tee
- Super Duplex Steel ASME SA815 Reducing Tee manufacturer
- Super Duplex Steel Unequal Tee
- 2507 Super Duplex Straight Tee
- Super Duplex Steel ASTM A815 Eccentric Reducer Supplier
- B16.9 Super Duplex Steel S32750 Eccentric Reducer
- Super Duplex UNS S32760 Eccentric Reducers
- DIN 1.4410 Eccentric Reducer
- ANSI B16.9 Super Duplex Steel S32750 Concentric Reducer
- ASME SA815 Super Duplex Steel S32760 Concentric Reducer
- 2507 Super Duplex Steel ASTM A815 Concentric Reducers
- DIN 1.4410 Concentric Reducer
- ASME B16.9 Super Duplex Steel S32750 Long Stub End Supplier
- Super Duplex 2507
- ASTM A815 Super Duplex Steel S32760 Long Stub Ends
- Super Duplex Steel Lap Joint Stub End
- DIN 1.4410 Long Stub End
- ASTM A815 / SA815 Super Duplex Steel Short Stub End Supplier
- ASME B16.9 Super Duplex Steel S32760 Short Stub Ends
- UNS S32750 Short Stub Ends
- Super Duplex 2507
- DIN 1.4410 Short Stub End
- ASME SA815 Super Duplex Steel S32750 Pipe Cap Supplier
- ASME B16.9 Super Duplex Steel End Pipe Cap
- Super Duplex ASTM A815 Pipe End Cap Manufacturer
- UNS S32760 Buttweld Cap
- DIN 1.4410 End Cap
- ASTM A815 / SA815 Super Duplex Steel S32750 Equal Cross
- ASME B16.9 Super Duplex UNS S32760 Buttweld Cross
- Super Duplex 2507 Unequal Cross
- Super Duplex Pipe Cross
- DIN 1.4410 Reducing Cross
- Super Duplex Steel ASTM A815 Pipe Bend Exporter
- UNS S32750 U Bend
- B16.9 Super Duplex Steel Grade S32760 Piggable Bend
- DIN 1.4410 Long Radius Bend
- Super Duplex Steel 2507 Buttweld Bend
CHEMICAL COMPOSITION OF SUPER DUPLEX STEEL SEAMLESS AND WELDED PIPE FITTINGS
| Element | C | Cr | Ni | Mo | N | Others |
|---|---|---|---|---|---|---|
| Super Duplex 2507 | 0.020 max | 25.0% | 7.0% | 4.0% | 0.27% | S=0.001 max |
MECHANICAL PROPERTIES OF ASME SA815 SUPER DUPLEX STEEL BUTTWELD PIPE FITTINGS
| Property | Value |
|---|---|
| Ultimate Tensile Strength, ksi | 116 min |
| 0.2% Offset Yield Strength, ksi | 80 min |
| 0.1% Offset Yield Strength, ksi | 91 min |
| Elongation in 2 inches, % | 15 min |
| Hardness Rockwell C | 32 max |
| Impact Energy, ft.-lbs. | 74 min |
SPECIFICATION OF SUPER DUPLEX STEEL BUTTWALD FITTINGS
| Specifications | ASTM A815 / ASME SA815 |
|---|---|
| Dimensions | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, BS4504, BS4504, BS1560, BS10 ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799 |
| Size | Seamless Butt Weld Fittings: ½” to 10″ | Welded Butt Weld Fittings: ½” to 48″ |
| Schedule | SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75 |
| Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom |
| Type | Seamless / ERW / Welded / Fabricated |
| Thickness | 20 Swg., 18 Swg., 16 Swg., 14 Swg., 12 Swg., 10 Swg., & Sch. 10, Sch. 40, Sch. 80 etc. |
S32750/S32760 SUPER DUPLEX STEEL ASTM A815 BUTTWELD FITTINGS EQUIVALENT GRADES
| Common Name | UNS | WNR. |
|---|---|---|
| Super Duplex Steel 2507 | S32750 / S32760 | 1.4410 |
PHYSICAL PROPERTIES OF SUPER DUPLEX STEEL S32750 & S32760 BUTTWELD FITTINGS
| Property | Value | Unit |
|---|---|---|
| Density | 0.28 | lb/in³ |
| Modulus of Elasticity | 29 | psi × 10⁶ |
| Coefficient of Thermal Expansion 68-212°F | 7.2 | ×10⁻⁶/°F |
| Thermal Conductivity | 8.7 | Btu/h·ft·°F |
| Heat Capacity | 0.12 | Btu/lb/°F |
| Electrical Resistivity | 31.5 | Ω·in × 10⁻⁶ |
💡 Practical Difference in Use
Use Super Duplex Steel S32750/S32760 Buttweld Pipe Fittings when: extreme mechanical strength, outstanding corrosion resistance, and maximum reliability are required in highly aggressive, chloride-rich, or high-pressure environments. These super duplex stainless steels are engineered to provide superior resistance to pitting, crevice corrosion, erosion corrosion, and stress corrosion cracking, even under severe operating conditions. → Example: offshore oil & gas pipelines, subsea systems, chemical processing lines, seawater intake systems, desalination plants, heat exchangers, and high-pressure industrial piping.
Applications of Super Duplex Steel S32750/S32760 Buttweld Pipe Fittings
Super Duplex Steel Buttweld Pipe Fittings are designed to deliver exceptional corrosion resistance, very high mechanical strength, and dependable performance in extreme chemical, marine, and high-pressure industrial environments.
- Chemical & Petrochemical: Highly corrosive process piping, reactors, acid handling systems, and chemical transfer lines.
- Oil & Gas & Seawater Systems: Offshore and subsea pipelines, seawater injection systems, desalination units, and marine applications.
- Power & Heavy Industrial Systems: Heat exchangers, high-pressure piping, and critical industrial process equipment.
When to Choose Super Duplex Steel S32750/S32760?
This super duplex stainless steel grade is ideal for applications demanding the highest level of corrosion resistance, exceptional strength, and reliable welded performance under extreme pressure, temperature, and chemically aggressive conditions.
Choose Super Duplex Steel S32750/S32760 when:
- Piping or equipment is exposed to severe chloride, marine, or offshore environments
- Very high mechanical strength is required for high-pressure service
- Welded joints must withstand extreme chemical, thermal, and mechanical stress
- Long-term reliability is critical in subsea, offshore, or aggressive industrial conditions
- Used in offshore oil & gas, chemical processing, desalination, or heavy industrial systems
Industries That Use Super Duplex Steel S32750/S32760 Buttweld Pipe Fittings
Super duplex stainless steel fittings are widely used in industries where maximum corrosion resistance, exceptional strength, and long-term welded integrity are essential.
Designed for continuous service in extremely corrosive and high-pressure chemical environments.
Uses
Highly aggressive process piping, reactors, acid handling systems, and chemical transfer lines.
Why Super Duplex Steel?
Offers superior resistance to pitting, crevice corrosion, and stress corrosion cracking, combined with very high strength for demanding chemical plant operations.
Preferred for offshore, subsea, and marine applications requiring extreme durability.
Uses
Offshore and subsea pipelines, seawater injection systems, desalination plant piping, and marine infrastructure.
Why Super Duplex Steel?
Exceptional resistance to chloride-induced corrosion and erosion ensures long-term performance in harsh offshore and marine environments.
Used in critical systems where extreme mechanical and chemical stability is required.
Uses
Heat exchangers, high-pressure piping, and heavy industrial process equipment.
Why Super Duplex Steel?
Combines outstanding mechanical strength with exceptional corrosion resistance for safe and reliable operation under extreme pressure, temperature, and aggressive chemical conditions.
Usage Guide for Super Duplex Steel S32750/S32760 Buttweld Pipe Fittings
Smooth directional change in ultra-high-strength, corrosion-resistant welded piping systems.
Choose Elbow when
- 45°, 90°, or 180° directional change is required
- Piping operates in highly chloride-rich, offshore, or high-pressure environments
- Welded joints must resist severe pitting, crevice, and stress corrosion cracking
- Used in offshore oil & gas pipelines, subsea systems, or seawater applications
Provides robust branch connections in extreme chemical and high-pressure pipeline systems.
Choose Tee when
- Equal or reducing branch connections are required
- Piping is exposed to aggressive chemicals, seawater, or high pressure
- Maximum weld strength and corrosion stability are critical
- Used in offshore, chemical processing, or desalination systems
Ensures proper pipe alignment while reducing diameter in extreme service pipelines.
Choose Eccentric Reducer when
- Prevention of air or vapor pockets is essential
- Used in pump suction lines or horizontal offshore and chemical piping
- Thermal expansion and high mechanical stress must be controlled
- Superior corrosion resistance and weld integrity are required
Uniform diameter transition for ultra-high-pressure and corrosion-resistant piping systems.
Choose Concentric Reducer when
- Perfectly centered alignment is required
- Vertical, subsea, or very high-pressure pipelines are installed
- Smooth and controlled flow transition is necessary
- Used in heat exchangers, reactors, or desalination piping
Allows easy dismantling with lap joint flanges in extreme pressure service lines.
Choose Long Stub End when
- Frequent inspection or maintenance is required
- Very high corrosion and stress resistance at flange joints is needed
- Cost-effective solutions for large-diameter, high-pressure piping are preferred
- Used in offshore platforms, desalination, or chemical processing pipelines
Compact lap joint solution for space-restricted, ultra-high-pressure, or corrosive pipelines.
Choose Short Stub End when
- Severe space constraints exist
- Economical lap joint flange connections are required
- Used in chemical process lines, heat exchangers, or seawater systems
- Exceptional resistance to pitting, crevice, and stress corrosion is essential
Securely seals pipe ends in extreme pressure and highly corrosive service environments.
Choose Pipe Cap when
- Pipe ends must be permanently or temporarily closed
- Used for pressure testing or future pipeline expansion
- Leak-proof sealing under extreme pressure, temperature, or aggressive chemical conditions
- Exposed to severe chlorides, acids, or thermal cycling environments
Four-way branching for complex offshore, chemical, or seawater piping networks.
Choose Cross when
- Flow must be divided into multiple directions
- Used in offshore oil & gas, desalination, or chemical processing pipelines
- Ultra-strong, corrosion-resistant welded joints are required
- Resistance to severe pitting, crevice, and stress corrosion is critical
Large-radius directional change for smooth flow and minimal pressure loss in extreme service pipelines.
Choose Pipe Bend when
- Gradual change in flow direction is required
- Used in offshore pipelines, chemical reactors, desalination, or seawater systems
- Low turbulence and reduced pressure drop are critical
- Long-term corrosion resistance and welded integrity are required
Our Buttweld Pipe Fittings are manufactured using advanced processes and undergo extensive quality checks to ensure flawless weldability, durability, and long service life. Each fitting is thoroughly inspected using key NDT techniques such as radiographic testing (RT), ultrasonic testing (UT), hydrostatic testing, and visual/dimensional examination. We also perform detailed chemical composition analysis and mechanical property testing to ensure material compliance with strict industry standards.
Throughout the forming and welding stages, every buttweld fitting is monitored closely to eliminate defects such as misalignment, surface irregularities, and wall-thickness variations. This ensures perfect joint integrity and high-performance reliability in pipelines carrying high temperatures, pressures, and corrosive media. All our buttweld fittings fully comply with ASME, ASTM, MSS-SP, and related global specifications, making them a preferred choice for critical piping systems worldwide.
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