




It is for its great mechanical strength and excellent corrosion resistance that Super Duplex UNS S32750 Round Tube is used in a piping and tubing system. Usually, manufactured using ASTM A789 specifications, these tubes prove to be ideally suited for high-pressure environments and aggressive media.
The presence of balanced dual-phase microstructure of austenite and ferrite makes this circular tubing capable of resisting pitting, crevice corrosion, and chloride-induced stress corrosion cracking. So whether used in precision small bore tubing or heavy-duty structural applications, the Super Duplex UNS S32750 Round Tube always deliver long-lasting performance in the most hostile conditions.
Our main objective at Vishal Tube, a leading Super Duplex UNS S32750 Round Tube manufacturer in India is to offer premium quality UNS S32750 Round Tube engineered with ‘Precision’ to deliver ‘High Performance’. Our circular tubing products are produced specifically to ensure top-tier quality and consistency for a wide range of industrial uses.
There are several features of Super Duplex UNS S32750 Round Tube made using ASTM A789 specifications that you need to know about.
Typically, the specification information of Super Duplex UNS S32750 Round Tube produced as per ASTM A789 standards is given in a table below:
Property | Specification |
Material Grade | Super Duplex Stainless Steel UNS S32750 (EN 1.4410, Alloy 2507) |
Standards | ASTM A789 / ASME SA789 |
Form | Round / Circular Tubing |
Outer Diameter Range | 6.0 mm to 219.1 mm (custom sizes available) |
Wall Thickness Range | 0.5 mm to 20.0 mm |
Length | Up to 12 meters (custom cut lengths available) |
Manufacturing Type | Seamless / Welded |
Tensile Strength (min) | 800 MPa (116,000 psi) |
Yield Strength (0.2% offset, min) | 550 MPa (80,000 psi) |
Elongation | Minimum 15% |
Hardness (max) | 32 HRC |
Density | 7.8 g/cm³ |
Operating Temperature Range | -50°C to +300°C (may vary by application) |
Corrosion Resistance | Excellent resistance to pitting, crevice corrosion, and chloride stress corrosion |
Applications | Heat Exchangers, Structural Tubing, High Pressure Systems, Small Bore Piping |
Usually, due to its strength and high ‘Corrosion Resistance’ Super Duplex UNS S32750 Round Tube is used widely as industrial applications. These include:
Super Duplex UNS S32750 Round Tube or a ‘Circular Tubing’ is usually tested for quality to ensure exceptional quality for use in heat exchanger, structural, and high pressure applications. The certifications involved are given in the table below:
Category | Details |
Applicable Standards | ASTM A789 / ASME SA789 – For seamless and welded circular tubing |
Product Form | Round / Circular Tubing, including small bore and large diameters |
Quality Certification | ISO 9001:2015 Certified Manufacturing Process |
Pressure Equipment Directive | PED 2014/68/EU Approved – For high pressure systems |
Corrosion Resistance Testing | ASTM G48 Method A – Pitting and crevice corrosion testing |
Material Identification | 100% Positive Material Identification (PMI) |
Third-Party Inspection | Available through TUV, DNV, BV, Lloyd’s Register |
Heat Exchanger Suitability | Meets dimensional and material quality for heat exchanger tubing |
Structural Use Approval | Compliant with load-bearing and support applications in structural systems |
Surface Finish & Cleanliness | Clean internal and external surfaces suitable for hygienic and process industries |
Documentation Provided | Mill Test Certificate (EN 10204 3.1/3.2), Compliance with ASTM & ASME Specs |
It is advisable that you choose Super Duplex UNS S32750 Round Tube from Vishal Tube Industries, a top Piping and Tubing manufacturer in India because of the following reasons given below:
It is a unique combination of high tensile strength and excellent corrosion resistance that makes Super Duplex UNS S32750 Round Tube ideal for circular tubing. This round tubing proves to be useful specifically in high-pressure systems exposed to aggressive chemicals or seawater, such as offshore platforms and desalination plants.
The answer is ‘Yes’ they are widely used in heat exchanger systems. Mainly because of their thermal stability and resistance to stress corrosion cracking. Besides, their high mechanical strength also makes them suitable for structural components.
Absolutely! the Super Duplex UNS S32750 Round Tube produced by Vishal Tube is manufactured in compliance with ASTM A789 standard., which covers seamless and welded small bore and large-diameter circular tubing for general service.
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.