-
-
-
Girgaon, Mumbai - 400004
Super Duplex Steel UNS S32750 Seamless Pipes Manufacturer in India
What are Super Duplex Steel UNS S32750 Seamless Pipes?
Super Duplex Steel UNS S32750 Seamless Pipes are high-performance stainless steel pipes designed for applications requiring a combination of high mechanical strength and excellent corrosion resistance. Also known as Super Duplex 2507, UNS S32750 contains a balanced austenitic-ferritic microstructure with chromium, molybdenum, nickel and nitrogen, providing excellent resistance to pitting, crevice corrosion and chloride-induced stress corrosion cracking.
The seamless construction of UNS S32750 pipes provides a uniform structure without a longitudinal welded joint, making them suitable for demanding pressure and process piping applications. These pipes are particularly suitable for environments exposed to seawater, chlorides, chemicals and other aggressive media.
Super Duplex Steel UNS S32750 Seamless Pipes are widely used in oil and gas, offshore, marine, chemical processing, petrochemical, desalination, power generation and refinery applications. Their high strength and corrosion resistance make them a preferred choice for critical piping systems operating under demanding conditions.
Kamal Steels is a leading Super Duplex Steel UNS S32750 Seamless Pipes Manufacturer and Stockist in India, supplying pipes in various sizes, wall thicknesses, schedules and lengths. We offer UNS S32750 Seamless Pipes according to applicable ASTM and ASME specifications and customer-specific requirements, with required testing, inspection and documentation for domestic and international projects.
Table of Contents
- Super Duplex Steel UNS S32750 Seamless Pipe Specifications
- UNS S32750 Seamless Pipe Weight Chart
- UNS S32750 Seamless Pipe Size Range
- ASTM A790 UNS S32750 Seamless Pipe
- UNS S32750 Seamless Pipe Chemical Composition
- UNS S32750 Seamless Pipe Mechanical Properties
- UNS S32750 Seamless Pipe Equivalent Grades
- Inspection & Testing of Super Duplex Steel UNS S32750 Seamless Pipes
- UNS S32750 Seamless Pipe Applications
- Industries Using UNS S32205 Seamless Pipes
- Frequently Asked Questions
Super Duplex Steel UNS S32750 Seamless Pipe Specifications
Kamal Steels Manufacturer and Exporter Super Duplex Steel UNS S32750 Seamless Pipes in accordance with internationally recognized ASTM, ASME, and EN standards. Our seamless pipes are produced with strict dimensional tolerances and superior metallurgical quality to ensure outstanding performance in high-pressure, high-temperature, and highly corrosive industrial applications. Available in a wide range of diameters, wall thicknesses, and schedules, these pipes can also be supplied in customized lengths to meet specific project requirements.
| Product | Super Duplex Steel UNS S32750 Seamless Pipes |
|---|---|
| Material Grade | UNS S32750 / WNR 1.4410 |
| Standard | ASTM A790, ASTM A789, ASME SA790, ASME SA789 |
| Pipe Type | Seamless |
| Outside Diameter | ½" NB to 24" NB |
| Wall Thickness | SCH 5S to SCH XXS |
| Length | Single Random, Double Random, 6 Meter, Custom Cut Lengths |
| End Type | Plain End, Bevelled End, Threaded End |
| Surface Finish | Annealed, Pickled, Polished |
| Certification | EN 10204 3.1 / Mill Test Certificate |
UNS S32750 Seamless Pipe Weight Chart
The weight of Super Duplex Steel UNS S32750 Seamless Pipes depends on the pipe outside diameter, wall thickness, schedule and length. The weight chart helps buyers estimate the approximate material weight required for piping projects, transportation and procurement planning.
UNS S32750 Seamless Pipe weight varies with the selected dimensions and schedule. The following values provide an approximate reference for commonly used pipe sizes. Actual weight may vary according to manufacturing tolerances and the applicable dimensional standard.
| Nominal Pipe Size | Outside Diameter | Schedule | Wall Thickness | Approx. Weight (kg/m) |
|---|---|---|---|---|
| 1/2 Inch | 21.3 mm | Sch 40 | 2.77 mm | 1.27 |
| 1 Inch | 33.4 mm | Sch 40 | 3.38 mm | 2.52 |
| 2 Inch | 60.3 mm | Sch 40 | 3.91 mm | 5.59 |
| 3 Inch | 88.9 mm | Sch 40 | 5.49 mm | 11.57 |
| 4 Inch | 114.3 mm | Sch 40 | 6.02 mm | 16.43 |
| 6 Inch | 168.3 mm | Sch 40 | 7.11 mm | 28.26 |
| 8 Inch | 219.1 mm | Sch 40 | 8.18 mm | 42.55 |
For an exact UNS S32750 Seamless Pipe weight calculation, provide the required outside diameter, wall thickness, schedule and pipe length. Kamal Steels can supply weight details based on the required dimensions and customer specifications.
UNS S32750 Seamless Pipe Size Range
Super Duplex Steel UNS S32750 Seamless Pipes are available in a wide range of sizes to meet the requirements of process piping, pressure systems, offshore installations, and other demanding industrial applications. The required pipe size is generally selected based on nominal pipe size, outside diameter, wall thickness, schedule and service conditions.
Kamal Steels supplies UNS S32750 Seamless Pipes in standard and customized dimensions according to applicable specifications and customer requirements. Different wall thicknesses and schedules can be supplied for low-pressure, high-pressure and critical process piping applications.
| Nominal Pipe Size | Outside Diameter | Common Schedules |
|---|---|---|
| 1/2 Inch | 21.3 mm | Sch 10, 40, 80 |
| 1 Inch | 33.4 mm | Sch 10, 40, 80 |
| 2 Inch | 60.3 mm | Sch 10, 40, 80, 160 |
| 3 Inch | 88.9 mm | Sch 10, 40, 80, 160 |
| 4 Inch | 114.3 mm | Sch 10, 40, 80, 160 |
| 6 Inch | 168.3 mm | Sch 10, 40, 40S, 80 |
| 8 Inch | 219.1 mm | Sch 10, 40, 40S, 80 |
Pipe dimensions outside the standard range can also be discussed based on project requirements, availability, manufacturing capability, and applicable standards.
ASTM A790 UNS S32750 Seamless Pipe
ASTM A790 UNS S32750 Seamless Pipes are manufactured for applications requiring high strength and resistance to corrosive environments. ASTM A790 covers seamless and welded ferritic, austenitic and duplex stainless steel pipe intended for general corrosive service.
UNS S32750 is a Super Duplex stainless steel grade commonly known as Super Duplex 2507. Its combination of chromium, molybdenum, nickel and nitrogen provides excellent resistance to pitting and crevice corrosion, particularly in chloride-containing environments. The grade also offers higher mechanical strength than many conventional austenitic stainless steel grades.
ASTM A790 UNS S32750 Seamless Pipes are commonly used in oil and gas processing, offshore platforms, chemical processing, marine systems, desalination plants, petrochemical facilities and other applications where corrosion resistance and mechanical performance are critical.
| Standard | Grade | Product |
|---|---|---|
| ASTM A790 | UNS S32750 | Super Duplex Seamless Pipe |
| ASME SA790 | UNS S32750 | Super Duplex Seamless Pipe |
Kamal Steels manufactures, supplies, and exports ASTM A790 UNS S32750 Seamless Pipes in different sizes, schedules, wall thicknesses, and lengths. Pipes can be supplied with the required testing, inspection, material certificates and documentation according to customer and project specifications.
Chemical Composition of Super Duplex Steel UNS S32750
The superior corrosion resistance of Super Duplex Steel UNS S32750 is achieved through its optimized alloy composition. High levels of chromium, molybdenum, nickel, and nitrogen provide exceptional resistance to localized corrosion, chloride attack, and aggressive chemical environments while maintaining excellent mechanical strength.
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.03 Max |
| Silicon (Si) | 0.80 Max |
| Manganese (Mn) | 1.20 Max |
| Phosphorus (P) | 0.035 Max |
| Sulphur (S) | 0.020 Max |
| Chromium (Cr) | 24.0 – 26.0 |
| Nickel (Ni) | 6.0 – 8.0 |
| Molybdenum (Mo) | 3.0 – 5.0 |
| Nitrogen (N) | 0.24 – 0.32 |
| Iron (Fe) | Balance |
Mechanical Properties of Super Duplex Steel UNS S32750
Super Duplex Steel UNS S32750 combines excellent tensile strength with outstanding toughness, making it suitable for critical pressure piping systems operating under severe mechanical and corrosive conditions.
| Property | Value |
|---|---|
| Tensile Strength | 800 MPa Minimum |
| Yield Strength (0.2% Offset) | 550 MPa Minimum |
| Elongation | 15% Minimum |
| Hardness | 310 HB Maximum |
Equivalent Grades of Super Duplex Steel UNS S32750
| Standard | Equivalent Grade |
|---|---|
| UNS | S32750 |
| Werkstoff | 1.4410 |
| EN | X2CrNiMoN25-7-4 |
| ASTM | A790 / A789 |
| ASME | SA790 / SA789 |
Inspection & Testing of Super Duplex Steel UNS S32750 Seamless Pipes
Every Super Duplex Steel UNS S32750 Seamless Pipe supplied by Kamal Steels undergoes rigorous quality inspections to ensure compliance with ASTM, ASME, and international quality standards. Our comprehensive testing procedures verify the mechanical properties, chemical composition, dimensional accuracy, and overall integrity of each pipe before dispatch.
- Positive Material Identification (PMI)
- Hydrostatic Pressure Testing
- Ultrasonic Testing (UT)
- Eddy Current Testing
- Chemical Analysis
- Mechanical Testing
- Flattening & Flaring Tests
- Dimensional Inspection
- Visual Examination
- Third-Party Inspection (TPI) Available
UNS S32750 Seamless Pipe Applications
Super Duplex Steel UNS S32750 Seamless Pipes are used in demanding applications where high mechanical strength, excellent corrosion resistance, and reliable performance are required. Their strong resistance to pitting, crevice corrosion, and chloride-containing environments makes them suitable for aggressive process conditions.
| Application | Use of UNS S32750 Seamless Pipes |
|---|---|
| Oil & Gas Processing | Process piping, hydrocarbon transfer and high-pressure fluid systems |
| Offshore Platforms | Seawater, production, utility and process piping systems |
| Marine Applications | Seawater piping, cooling systems and marine process lines |
| Chemical Processing | Corrosive chemical transfer and process piping |
| Petrochemical Plants | Process lines and equipment handling corrosive fluids |
| Desalination Plants | Seawater intake, treatment and high-chloride service piping |
| Refineries | Process piping and fluid handling systems |
| Power Generation | Cooling water and other corrosion-resistant piping systems |
| Heat Exchangers | Corrosive fluid and seawater service connections |
| Subsea Systems | High-strength piping exposed to seawater and pressure |
The combination of high strength and corrosion resistance allows UNS S32750 Seamless Pipes to perform reliably in critical piping systems. The appropriate pipe size, wall thickness, schedule and specification are selected according to the operating pressure, temperature, fluid and project requirements.
Industries Using UNS S32750 Seamless Pipes
Super Duplex Steel UNS S32750 Seamless Pipes are widely used across industries operating in corrosive, high-pressure and chloride-rich environments. The grade's combination of mechanical strength and corrosion resistance makes it suitable for critical piping and fluid-handling systems.
| Industry | Typical Applications |
|---|---|
| Oil & Gas Industry | Offshore piping, production systems, and process lines |
| Petrochemical Industry | Corrosive process piping and fluid handling |
| Chemical Industry | Chemical transfer and aggressive process environments |
| Marine Industry | Seawater systems and marine piping |
| Desalination Industry | Seawater intake and desalination piping systems |
| Power Generation Industry | Cooling and process water piping |
| Refinery Industry | Process piping and corrosive fluid systems |
| Offshore Industry | Platform, subsea, and seawater service systems |
Kamal Steels is a Super Duplex Steel UNS S32750 Seamless Pipes Manufacturer and Exporter in India, supplying pipes for domestic and international industrial projects in required sizes, schedules, lengths and specifications.
Frequently Asked Questions
Super Duplex Steel UNS S32750 Seamless Pipes are high-strength stainless steel pipes manufactured without welded joints. They offer exceptional resistance to pitting, crevice corrosion, chloride stress corrosion cracking, and aggressive chemical environments.
These pipes are widely used in offshore oil & gas, marine engineering, petrochemical plants, desalination systems, chemical processing, heat exchangers, pressure vessels, and power generation projects.
They are manufactured according to ASTM A790, ASTM A789, ASME SA790, and ASME SA789 standards.
Super Duplex UNS S32750 contains higher levels of chromium, molybdenum, and nitrogen, providing superior resistance to pitting, crevice corrosion, and chloride attack, along with higher mechanical strength.
These pipes are available from ½" NB to 24" NB in various schedules including SCH 5S, SCH 10S, SCH 40S, SCH 80S, XS, and XXS, with custom sizes available on request.
Each pipe undergoes PMI testing, hydrostatic testing, ultrasonic testing, eddy current testing, dimensional inspection, chemical analysis, and mechanical testing.
Yes. Their excellent resistance to chloride-induced corrosion makes them one of the preferred materials for seawater handling systems, offshore platforms, and desalination plants.
Yes. All Super Duplex Steel UNS S32750 Seamless Pipes are supplied with EN 10204 3.1 Mill Test Certificates and complete material traceability.
Yes. Kamal Steels supplies Super Duplex Steel UNS S32750 Seamless Pipes in standard random lengths as well as customized cut lengths to meet specific project requirements.
Kamal Steels offers certified materials, extensive ready stock, strict quality control, competitive pricing, complete documentation, and timely worldwide delivery, making us a trusted manufacturer and stockist for industrial piping solutions.