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Duplex Steel Pipes and Fitting

Price 2,000 INR/ Piece

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MOQ : 100 Pieces

Duplex Steel Pipes and Fitting Specification

Size
Custom sizes available, as per order

Heat Resistance
Yes

Diameter
6 mm to 630 mm

Material Composition %
Chromium 22%, Nickel 5.7%, Molybdenum 3.1%, Nitrogen 0.16%

Product Form
Seamless, Welded, ERW, Fabricated

Corrosion Resistant
Excellent, especially to pitting & stress corrosion

Hardness
Rockwell B97 Max

Coating Type
Uncoated (Standard), Coated as per requirement

Tensile Strength
620 MPa Min

Recyclable
Yes

Product Name
Duplex Steel Pipes and Fitting

Steel Type
Duplex Stainless Steel

Steel Product Type
Pipes and Fittings

Grade
UNS S31803, UNS S32205, 2205, 31803

Thickness
Schedule 5S to Schedule XXS or customized

Shape
Round, Square, Rectangular, Custom shapes

Steel Standard
ASTM A815 / ASTM A790 / ASTM SA789 / ASTM SA790

Surface
Pickled, Annealed, Polished, Mirror, Satin

Composition
Cr 21-23%, Ni 4.5-6.5%, Mo 2.5-3.5%, N 0.08-0.2%, Fe balance

Application
Oil & Gas, Petrochemical, Chemical Processing, Power Plant, Marine, Desalination, Water Treatment, Structural and General Engineering

Dimension (L*W*H)
Customized, As per requirement

Weight
Varies as per size and thickness

Color
Metallic Silver, Grey

Material Grade
Duplex 2205, 31803

Finish Type
Bright, Pickled, Polished

Usage
Pressure piping, Structural and Mechanical Parts, Fluid Transmission, High Durability applications

Production Technique
Hot forming, Welding, Annealing

Working Pressure
Up to 8000 psi depending on dimension and grade

Packing
Sea-worthy Wooden Cases, Bundled with Plastic wrapping or as required

End Connection Types
Plain End, Beveled End, Threaded, Flanged

Testing
100% Radiography, Hydro Test, PMI, UT, Eddy Current

Wall Thickness Range
0.5 mm to 40 mm

Manufacturing Process
Cold Drawn, Hot Rolled, Hot Formed, Heat Treated

Fittings Type
Elbow, Tee, Reducer, Cap, Stub End, Cross, Coupling

Duplex Steel Pipes and Fitting Trade Information

Minimum Order Quantity
100 Pieces

Supply Ability
1000 Pieces Per Month

Delivery Time
15 Days

Main Export Market(s)
Africa, South America, Central America, Western Europe, Middle East, Asia, North America, Australia, Eastern Europe

About Duplex Steel Pipes and Fitting

PSI Duplex Steel Pipes and Fitting

Backed by state-of-the-art facility, we have the ability to fulfill the requirements of our customers for high quality PSI Duplex Steel Pipes and Fitting within the committed time frame. We not only focus on the quality of our product but its price and packaging, as well. Also, when it comes to urgent and bulk delivery of our PSI Duplex Steel Pipes and Fitting, we are always considered the best. Needless to say, all the potential customers looking for aforesaid product choose us.

Product details

Material	Stainless Steel
Usage/Application	Chemical Fertilizer Pipe
Material Grade	UNS 31803/32205
Fitting Type	Elbow,Reducers,Stub End,Nippolet
Shape	Round
Packaging Type	Box

Exceptional Material Properties

Duplex steel pipes and fittings are renowned for their superior mechanical properties. With a minimum tensile strength of 620 MPa and excellent hardness, they provide high durability for critical applications. Due to their balanced chemical composition, including Chromium, Nickel, Molybdenum, and Nitrogen, these products offer outstanding resistance to pitting and stress corrosion, making them ideal for aggressive media handling.

Versatile End Connections and Shapes

Available with flexible end connection optionsplain, beveled, threaded, and flangedDuplex steel pipes and fittings can be tailored to project-specific requirements. The shapes range from round, square, and rectangular to custom designs, ensuring compatibility with complex system layouts and structural needs. Enhanced finishes such as pickled, polished, mirror, and satin further meet aesthetic and functional criteria.

Stringent Testing & Quality Assurance

Each Duplex steel pipe and fitting undergoes rigorous quality assessments, including 100% radiography, hydro testing, positive material identification (PMI), ultrasonic tests, and eddy current inspections. Packing standards ensure secure sea-worthy deliveries, utilizing wooden cases and plastic wrapping as required. These comprehensive measures guarantee reliability, safety, and long-term service performance.

FAQs of Duplex Steel Pipes and Fitting:

Q: How are Duplex Steel Pipes and Fittings manufactured?

A: These products are produced using cold drawn, hot rolled, hot formed, and heat treated processes, followed by specialized finishing techniques like annealing and welding. Quality assurance includes thorough testing such as radiography, hydro tests, PMI, UT, and eddy current inspections to ensure high standards and reliability.

Q: What end connection types are available for Duplex Steel Pipes and Fittings?

A: End connections offered include plain end, beveled end, threaded, and flanged types. Each option is designed to accommodate specific installation methods and operational demands in pressure, fluid, and structural systems.

Q: Where can Duplex Steel Pipes and Fittings be used?

A: They are widely applied in sectors such as oil & gas, petrochemical, chemical processing, power plants, marine engineering, desalination plants, water treatment facilities, structural construction, and general engineering, due to their durability and corrosion resistance.

Q: What benefits do Duplex Steel Pipes and Fittings provide for high-pressure applications?

A: With a working pressure rating of up to 8000 psi, Duplex steel pipes and fittings deliver outstanding performance in high-pressure systems. Their dual-phase microstructure enhances strength and resistance to stress corrosion, ensuring safer and longer operational life even in demanding environments.

Q: How customizable are the sizes and shapes of Duplex Steel Pipes and Fittings?

A: Custom dimensions, shapes, and weights can be manufactured according to specific requirements. Options include round, square, rectangular, and bespoke designs to fit diverse engineering applications and system configurations.

Q: What surface finishes and coatings are available for these products?

A: Surface options include pickled, annealed, polished, mirror, and satin finishes. Standard products are generally uncoated, but specialized coatings can be provided as per customer demand to enhance specific properties or meet project specifications.

Q: When is Duplex Steel preferred over other stainless steel types?

A: Duplex Stainless Steel is chosen for applications where both corrosion resistance and high mechanical strength are essential, such as in environments prone to pitting, stress corrosion cracking, high pressure, and where long-term durability is a primary concern.

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