At Nascent Pipe & Tubes, we are a leading manufacturer and exporter of premium-grade Super Duplex S32760 Tubes, engineered for high-performance applications in aggressive environments. These tubes are widely recognized for their superior corrosion resistance, excellent strength, and outstanding durability, making them ideal for demanding industries such as oil & gas, petrochemical, marine, desalination, and offshore platforms.
The UNS S32760 grade, also known by its universal standard name ASTM A789, is a super duplex stainless steel that combines the benefits of both austenitic and ferritic structures. It contains a high level of chromium, molybdenum, and nitrogen, which provides excellent resistance to pitting, crevice corrosion, and chloride stress corrosion cracking. The superior mechanical properties of these tubes ensure long service life, even in extreme conditions.
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Our ASTM A789 Super Duplex S32760 Tubes are available in both seamless and welded forms, meeting international quality standards for pressure and structural applications. The seamless version offers exceptional surface finish and dimensional accuracy, while the welded variant provides cost-effective and reliable performance for low- to moderate-pressure operations. Each tube undergoes rigorous quality testing, including eddy current, ultrasonic, and hydrostatic testing, to ensure optimal integrity and performance.
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With our extensive industry expertise, Nascent Pipe & Tubes has earned the trust of global clients by consistently delivering UNS S32760 Super Duplex Tubing that exceeds expectations in terms of performance, quality, and value. For critical applications requiring resistance to highly corrosive conditions, our Super Duplex S32760 Tubes stand as the most reliable choice.
Specification of Duplex Steel S32760 Seamless / Welded Tubes
Specifications AASTM A790 / ASME SA790, ASTM A789 / ASME SA A789
Grade : UNS S31803, S32205
Size : ½”NB – 24”NB
Thickness Range : 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Outer Diameter: 6.0-630mm
Type :Seamless / ERW / Welded / Fabricated Pipes
Form : Round, Square, Rectangular, Oval, Hydraulic Etc
Length :Single Random, Double Random & Required Length
End : Plain End, Beveled End, Treaded
End Protection : Plastic Caps
Outside Finish :2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Pipes, Finish as per customer Requirements
Delivery Condition : Annealed and Pickled, Polished, Bright Annealed, Cold Drawn
Inspection, Test Reports :Mill Test Certificates, EN 10204 3.1, Chemical Reports, Mechanical Reports, PMI Test Reports, Visual Inspection Reports, Third Party Inspection Reports, NABL Approved Lab Reports, Destructive Test Report, Non Destructive Test Reports
Packing :Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests
Specials :Sizes and Specifications other than above can be manufactured on request
Chemical Composition of Duplex Steel Tubes
| C | Cr | Ni | Mo | N | Other |
|---|---|---|---|---|---|
| 0.020 | 25 | 7 | 4.0 | .27 | S=0.001 |
Mechanical Properties Of Duplex Steel Seamless & Welded Tubes
| Ultimate Tensile Strength, ksi | 116 min. |
|---|---|
| 0.2% Offset Yield Strength 0.2%, ksi | 80 min. |
| 0.1% Offset Yield Strength 0.2%, ksi | 91 min. |
| Elongation in 2 inches, % | 15 min. |
| Hardness Rockwell C | 32 max. |
| Impact Energy, ft.-lbs. | 74 min. |
Physical Properties of UNS S32205 Duplex Steel Tubes
| Density | lb/in3 | 0.28 |
|---|---|---|
| Modulus of Elasticity | psi x 106 | 29 |
| Coefficient of Thermal Expansion 68-212°F/°F | x10-6/°F | 7.2 |
| Thermal Conductivity | Btu/h ft °F | 8.7 |
| Heat Capacity | Btu/lb/°F | 0.12 |
| Electrical Resistivity | W-in x 10-6 | 31.5 |
Our Export
Domestic Area
| Mumbai | Ahmedabad | Bhopal | Bikaner | Pune |
| Delhi | Chennai | Visakhapatnam | Mangalore | Nagpur |
| Bangalore | Kolkata | Siliguri | Assam | Indore |
| Hyderabad | Surat | Nashik | Cochin | Thane |
| Faridabad | Rajkot | Aurangabad | Bhavnagar | Ranchi |
| Coimbatore | Mysore | Salem | Tirupur | Bikaner |
| Raipur | Bhubaneswar | Bhilai | Ankleshwar | Bhiwandi |
| Vadodra | Kochi |