Duplex Steel Pipes

Duplex Steel Pipes Specification

Tolerance
0.5% or As per Standard

Connection
Butt Weld / Beveled / Plain End / Threaded

End Protector
Plastic Caps

Application
Oil & Gas Industry, Chemical Industry, Petrochemical, Power Plant, Marine, Paper & Pulp Industry, Construction

Type
Seamless / Welded Pipes

Surface Finish
Polished / Pickled / Bright / Annealed

Product Type
Pipe

Material
Duplex Stainless Steel (UNS S31803, S32205, S32750, S32760)

Shape
Round, Square, Rectangular

Thickness
0.5mm to 50mm

Technique
Cold Drawn / Hot Rolled

Standard
ASTM A815, ASTM A790, ASTM A928

Alloy or Not
Alloy

Outer Diameter
6mm to 630mm

Surface Treatment
Pickling, Passivation

Length
Single Random, Double Random & Cut Length

Color
Silver / Metallic Grey

Density
~7.8 g/cm³

Grade
Duplex 2205, 2507, 31803, 32750, 32760

Operating Temperature
-50°C to 300°C

Elongation
25% min

Pipe Schedule
SCH 5S, 10S, 40S, 80S, 160S

Export Packaging
Waterproof, Seaworthy Wooden Box Packing

Corrosion Resistance
Excellent resistance to pitting, stress corrosion, and crevice corrosion

Weldability
Good

Pressure Rating
High Pressure

Magnetic Properties
Slightly Magnetic

Tensile Strength
620 MPa min (for Duplex 2205)

Heat Treatment
Solution Annealed

Test Certificates
Offered as per EN 10204/3.1B

Duplex Steel Pipes Trade Information

Minimum Order Quantity
100 Kilograms

Delivery Time
10-15 Days

About Duplex Steel Pipes

Discover first-string quality with our hot-selling Duplex Steel Pipes, crafted from extraordinary grades such as Duplex 2205, 2507, 31803, 32750, and 32760. Prized for their matchless value in high-pressure environments, these pipes deliver excellent resistance to pitting, stress corrosion, and crevice corrosion. Every pipe is supplied with EN 10204/3.1B test certificates and features seaworthy, waterproof export packaging. Boasting high tensile strength, remarkable weldability, and temperature endurance from -50C to 300C, they are the preferred choice in critical industries. Explore our extensive size and finish options for seamless integration in your projects.

Wide-Ranging Usage and Applications

Duplex Steel Pipes are ideally suited for an array of commercial uses, from oil & gas pipelines to chemical processing plants, petrochemical sectors, marine engineering, and power generation. Their robust build and reliability ensure long-term performance in demanding environments. With versatile surface finishes and adaptable connection types, these pipes seamlessly match the requirements of construction, paper & pulp, and numerous industrial projects, providing durability and exceptional value across a broad spectrum of industries.

Certifications, Samples, and Swift Delivery

All Duplex Steel Pipes are provided with detailed EN 10204/3.1B certifications to ensure quality and traceability. Samples are available on request so customers can review product standards before major purchase decisions. Our order processing guarantees prompt shipment, with goods typically delivered in waterproof, seaworthy wooden box packing. Competitive sale prices are offered, and our logistical network ensures your order arrives safely and on time, supporting businesses with reliable, high-grade piping solutions worldwide.

FAQ's of Duplex Steel Pipes:

Q: How do Duplex Steel Pipes benefit high-pressure industrial applications?

A: Duplex Steel Pipes are manufactured to offer excellent mechanical strength and corrosion resistance, ensuring reliable performance in high-pressure scenarios such as oil & gas, marine, and chemical industries.

Q: What certifications and quality tests are supplied with the pipes?

A: Each pipe comes with EN 10204/3.1B test certificates, ensuring compliance with international standards and rigorous quality control processes.

Q: Where can Duplex Steel Pipes be used for maximum effectiveness?

A: They are highly effective in oil & gas pipelines, chemical plants, power generation, marine sectors, and construction projects due to their outstanding resistance to corrosion and high tensile strength.

Q: What is the typical delivery process for shipped goods?

A: Once your order is processed, the products are carefully packed in seaworthy, waterproof wooden boxes and shipped promptly to ensure safe and timely delivery.

Q: How does the surface treatment enhance the pipe's durability?

A: Surface treatments like pickling, passivation, and annealing provide enhanced protection against corrosion, prolonging service life even in harsh industrial environments.

Q: What options are available for length, diameter, and connection types?

A: Duplex Steel Pipes are available in single random, double random, and custom cut lengths, with outer diameters ranging from 6mm to 630mm. End connections can be butt weld, beveled, plain end, or threaded, ensuring flexibility for different project specifications.