Exceptional Performance’ is the reason why Duplex UNS S32750 Welded Tubes are specifically manufactured. They have been engineered with ‘Precision’ to ‘Perfection’ for highly demanding and hostile environments. Besides, this tube type offers superior corrosion resistance and strength.
Usually, Duplex UNS S32750 Welded Tubes are high strength tubes that are produced using austenitic-ferritic stainless steel. A major reason for them being ideal for industries that involve aggressive conditions. They moreover obey to international standards such as ASTM A789 S32750 Welded Tubes and are commonly referred to as Super Duplex Welded Tubes. More importantly, whether for heat exchangers, pressure vessels, or structural piping systems, Duplex UNS S32750 Welded Tubes are manufactured to deliver peerless performance and longevity.
At Vishal Tube, a fine ASTM A789 S32750 Welded Tubes manufacturer in India, we offer high-quality Super Duplex Welded Tubes at low-cost prices. We have exclusively designed them to empower a piping system with the ability to withstand pressure and high temperature. They have been manufactured in compliance with ASTM A789 S32750 Welded Tubes standards. Above all, we seek to present premium Duplex UNS S32750 Welded Tubes constructed to offer long-term durability, reliability, and cost-effective performance.
There are several key features that Duplex UNS S32750 Welded Tubes also referred to as Super Duplex Welded Tubes that you need to learn about. They are as given below:
Typically, these types of tubes possess remarkable resistance ideally suited for hostile environments such as chloride rich environments. Thus they are used in industries such as oil & gas, desalination, and potential generation.
It is due to the dual-phase microstructure that Duplex UNS S32750 Welded Tubes possess twice the yield strength. These high strength tubes permit the use of thinner wall designs, and help in reducing weight without compromising durability.
Super Duplex Welded Tubes are recognized for being manufactured using up-to-date welding strategies. Hence they produce minimal distortion during fabrication. They also have strong, clean welds with excellent structural stability. These types of tubes under most circumstances require no post-weld heat treatment in most cases.
Super Duplex Welded Tubes are recognized for being manufactured using up-to-date welding strategies. Hence they produce minimal distortion during fabrication. They also have strong, clean welds with excellent structural stability. These types of tubes under most circumstances require no post-weld heat treatment in most cases.
The Duplex UNS S32750 Welded Tubes are likely to be more expensive than other standard grades tubes. However, when used these high strength tubes offer over a period of time reduced maintenance, longer operational life, and lower total cost of ownership.
| Property | Specification |
|---|---|
| Material Grade | Duplex Stainless Steel UNS S32750 (Super Duplex 2507) |
| Product Type | Welded Tubes |
| Manufacturing Standard | ASTM A789 / A789M |
| Outer Diameter Range | 6 mm to 101.6 mm (1/4″ to 4″) |
| Wall Thickness Range | 0.5 mm to 3.0 mm (custom sizes available) |
| Tube Length | Up to 6 meters (custom lengths on request) |
| Tensile Strength (min) | 800 MPa |
| Yield Strength (0.2% offset, min) | 550 MPa |
| Elongation (min) | 15% |
| Hardness (max) | 290 HB |
| Density | 7.8 g/cm³ |
| Microstructure | Approximately 50% Ferrite / 50% Austenite |
| Corrosion Resistance | Excellent in chloride-rich and marine environments |
| Stress Corrosion Cracking Resistance | Superior to austenitic stainless steels |
| Weldability | Good – suitable for TIG, MIG, and SAW |
| Thermal Conductivity (at 20°C) | 14.0 W/m·K |
| Thermal Expansion Coefficient | 13.0 µm/m·°C (20–100°C) |
| Operating Temperature Range | -50°C to +300°C (application-dependent) |
| Typical Applications | Oil & Gas, Desalination, Petrochemicals, Heat Exchangers, Power Plants |
ASTM A789 S32750 Welded Tubes’ or Duplex UNS S32750 Welded Tubes are renowned for their superior mechanical properties, excellent corrosion resistance, and long-term performance in challenging environments. Hence, these Super Duplex Welded Tubes are engineered with ‘Precision’ for a wide range of Industrial Applications that involve hostile environments.
Usually, it is to international quality standards such as ‘ASTM A789’ that Duplex UNS S32750 Welded Tubes are manufactured. They generally undergo strict quality control processes to ensure that it can deliver reliable ‘High’ performance in demanding industrial environments. More importantly, these Super Duplex Welded Tubes are made available with comprehensive documentation and certifications given in the table below for full traceability and compliance.
Standard / Certification | Description |
ASTM A789 / ASME SA789 | Standard for welded and seamless ferritic/austenitic stainless steel tubing |
EN 10217-7 / EN 10216-5 | European standard for welded stainless steel tubes under pressure |
NACE MR0175 / ISO 15156 | Compliance for use in sour gas environments (Oil & Gas sector) |
PED 2014/68/EU | Pressure Equipment Directive for equipment used in the European Union |
AD 2000 W0 | German regulation for pressure-bearing components |
ISO 9001:2015 | Certified Quality Management System (QMS) |
Mill Test Certificate (MTC) | Supplied as per EN 10204 3.1 or 3.2, with chemical and mechanical test results |
Third-Party Inspection (TPI) | Available upon request (Lloyd’s, BV, DNV, TUV, SGS, etc.) |
Hydrostatic / PMI / UT Testing | Non-destructive and pressure testing to validate integrity |
We at Vishal Tubes Industries, a top ASTM A789 S32750 Welded Tubes manufacturer in India seek to deliver high-quality and affordable Duplex UNS S32750 Welded Tubes specifically designed for extreme conditions. There are also several reasons given below why you choose us for Super Duplex Welded Tube. They are given below:
It is according to the standard ASTM A789 S32750 Welded Tubes that Duplex UNS S32750 Welded Tubes are manufactured. Typically, the specifications cover welded ferritic-austenitic stainless steel tubing created for regular corrosion-resistant and high-pressure industrial applications. . A major factor that ensures consistent quality and performance.
When used, Super Duplex Welded Tubes offer great resistance to pitting, crevice corrosion, and stress corrosion cracking. It is their top mechanical attributes, such as high tensile and yield resource, that establish them ideal high capital tubes for demanding industrial applications. These combine offshore oil & gas, desalination plants, and chemical processing.
Yes honestly! because these are high strength tubes that are assembled by ‘Correctness’ to perform correctly in high-pressure and high-stress conditions. Also, their robust duplex microstructure allows them to withstand mechanical loads and corrosive media, making them highly effective in critical industrial application. Usually, including heat exchangers, pressure vessels, and marine environments.
Vishal Tube Industries, is engaged in manufacturing of Stainless Steel Seamless Tubes, Stainless Welded Tubes and Stainless Steel U tube outfitting the requirements of many large and medium scale industries from all over the globe qualitatively.