The Super duplex 2507 Welded Tubes have been designed to perform under high pressure conditions where corrosion resistance is a crucial requirement, but ordinary stainless steel fails to deliver. These tubes are made from premium quality Super Duplex stainless steel which has about 25% chromium, 7% nickel, 4% molybdenum and 0.24-0.32% nitrogen. The PREN value of these tubes is over 40, making them resistant to pitting, crevice and chloride stress corrosion.They also offer almost double the strength of standard austenitic stainless steels, resulting in superb durability and service life in harsh operating environments. These welded tubes can be produced to international quality standards, have excellent dimensional accuracy and consistent weld quality and offer reliable mechanical performance in a wide range of diameters, wall thicknesses and custom lengths. USA Piping Solution is a trusted Super Duplex 2507 Welded Tubes Manufacturer and Supplier that offers precision engineered welded tubes which can be used to provide superior weld integrity, dimensional tolerances and a long life in corrosive industrial environments.
Specifications of Super Duplex 2507 Welded Tubes
| Specification Parameter | Technical Details |
|---|---|
| Standard | ASTM A789 / ASME SA 789 |
| Type | Welded Tubes |
| Material Grades | UNS S32750, UNS S32760 & UNS S32950 |
| Nominal Size Range | 1/2" NB to 12" NB |
| Outer Diameter (OD) | 6.0 mm - 630 mm |
| Wall Thickness (WT) | 0.5 mm - 45 mm |
| Dimensions Standard | OD (6.0 - 630 mm) x WT (0.5 - 45 mm) |
| Available Schedules | SCH 20, SCH 30, SCH 40, STD, SCH 80 |
| Length Options | Single Random, Double Random & Cut Length |
Applications Usage of Super Duplex 2507 Welded Tubes
- Oil & Gas Industry
- Chemical Processing Industry
- Petrochemical Industry
- Marine & Shipbuilding Industry
- Desalination Industry
- Power Generation Industry
- Pulp & Paper Industry
- Water Treatment Industry
Frequently Asked Questions
What is the difference between Super Duplex 2507 welded tubes and seamless tubes?
Seamless tubes are manufactured from a solid billet without a weld and are preferred for high-pressure applications. Welded tubes are made by welding steel strips and offer a more cost-effective solution for larger sizes.
Can Super Duplex 2507 welded tubes be used in seawater applications?
Yes. Super Duplex 2507 welded tubes offer excellent resistance to pitting, crevice corrosion, and chloride attack, making them ideal for seawater and marine environments.
What is the PREN value of Super Duplex 2507 and why is it important?
Super Duplex 2507 has a PREN value above 40, indicating excellent resistance to pitting corrosion in chloride-rich environments.
What is the maximum operating temperature for Super Duplex 2507 welded tubes?
Super Duplex 2507 welded tubes are generally recommended for continuous service up to 300 °C (572 °F) to maintain their strength and corrosion resistance.
Are Super Duplex 2507 welded tubes resistant to chloride stress corrosion cracking?
Yes. Super Duplex 2507 welded tubes provide excellent resistance to chloride stress corrosion cracking, making them suitable for aggressive environments.
Can Super Duplex 2507 welded tubes be used for high-pressure applications?
Yes. Their high mechanical strength and excellent corrosion resistance make Super Duplex 2507 welded tubes suitable for high-pressure industrial applications.