Super Duplex Steel Pipes

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Super Duplex Steel Pipes Suppliers and Manufacturers in Midland, UK.

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Super Duplex Steel Pipes are highly valued for their strong build, resistance to corrosion, and long-lasting durability. They are designed with a special structure ideal for tough environments like offshore oil and gas extraction, chemical plants, and marine use. These pipes can handle common corrosion problems such as pitting and cracking, making them a preferred choice for important industrial tasks where reliability is key. They also offer easy welding and shaping, making them dependable for demanding engineering projects prioritising strength and durability.

Super Duplex Steel Pipes Specifications

Standard	:	ASTM A790 / ASME SA 790
Type	:	Seamless Pipes
Grade	:	UNS S32750, UNS 32760 & UNS S32950
Size	:	1/2″NB TO 12 “NB IN
Thickness	:	0.5-45mm
Outer Diameter	:	6.0-630mm
Dimensions	:	OD(6.0-630)*WT(0.5-45)mm
Schedule	:	SCH20, SCH30, SCH40, STD, SCH80
Length	:	Single Random, Double Random & Cut Length

Super Duplex Steel Pipes Chemical Composition

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	N
Super Duplex Pipe	0.030 max	1.20 max	0.80 max	0.035 max	0.020 max	24.00 – 26.00	3.00 – 5.00	6.00 – 8.00	0.24 – 0.32

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Super Duplex Steel Pipes Mechanical Properties

UNS No	Grade	Proof Stress 0.2% (MPa)	Tensile Strength (MPa)	Elongation A5(%)	Hardness Max
					HB	HRB
Super Duplex Steel Pipe	2507	550	795	15	310	32*

Top Super Duplex Steel Pipes Manufacturing Company in UK

At PipingMart, we take pride in being the largest supplier and manufacturer in the UK, offering cutting-edge solutions for all your piping needs. With state-of-the-art production plants strategically located in the UK, we boast a vast inventory of over 25,000 tons of premium-quality materials readily available in stock.

Super Duplex Steel Pipes Grades

Super Duplex Steel Pipes S32750
Super Duplex Steel Pipes S32760

We offer These Super Duplex Steel Pipes as per DIN, ISO, JIS or ANSI Standard.

Get the best price from Super Duplex Steel Pipes Manufacturers & stockist in UK, check Super Duplex Steel Welded Pipe price per kg in Midland, UK

Advantages of Super Duplex Steel Pipes

Superior Strength: Super Duplex steel pipes exhibit higher strength than conventional austenitic or ferritic stainless steels. This makes them suitable for applications requiring robust mechanical properties.
Enhanced Corrosion Resistance: They possess excellent resistance to various forms of corrosion, including stress corrosion cracking (SCC), pitting, crevice corrosion, and general corrosion in harsh environments such as marine and offshore industries.
Dual-Phase Microstructure: The dual-phase microstructure (a combination of austenite and ferrite phases) provides a balanced mix of strength and corrosion resistance, contributing to their high performance in challenging conditions.
Versatility: Super Duplex steel pipes can be used in various industries and applications, including oil and gas, chemical processing, desalination plants, and more. They are particularly suitable for environments with high chloride content.
Reliability: Due to their superior strength and corrosion resistance, these pipes offer high reliability and durability in service, minimizing maintenance requirements and downtime.
Weldability and Formability: Despite their high strength, Super Duplex steel pipes retain good weldability and formability, allowing for easier fabrication and installation in various piping systems.

Types of Super Duplex Steel Pipes

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Super Duplex Steel Pipes Uses

Application Industry

Super Duplex Steel Pipes applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.

Mining and Mineral Processing

Marine Applications

Petro Chemical Industry

Chemical Processing Plants

Oil and Gas Industry: Super duplex steel pipes are widely used in offshore and onshore oil and gas exploration and production due to their resistance to corrosion from seawater and high mechanical strength. They transport corrosive fluids such as oil, gas, and water.
Chemical Processing: These pipes are suitable for handling corrosive chemicals and acids in chemical processing plants. They resist various corrosive environments, including those containing chlorides and sulfides.
Desalination Plants: Super duplex stainless steel pipes are employed in desalination plants that endure highly saline environments and high temperatures without corroding or degrading.
Petrochemical Industry: Pipes made from super duplex steel are used in refineries and petrochemical plants to transport various petroleum products and chemicals.
Marine Applications: Due to their excellent resistance to seawater corrosion and biofouling, super duplex steel pipes find applications in marine environments, including shipbuilding, offshore platforms, and coastal structures.
Power Generation: They are used in power plants, especially in areas where the water used for cooling may contain chlorides or sulfates, which can cause corrosion in conventional materials.
Automotive and Aerospace: In specialized applications within these industries, super duplex steel pipes can be used for their high strength-to-weight ratio and resistance to heat and corrosion.

How to Choose the Right Super Duplex Steel Pipe

Define Your Application Requirements: Determine your application’s specifications and performance requirements. Consider pressure, temperature, corrosion resistance, and mechanical properties.
Material Composition: Super duplex stainless steel pipes typically have a mixture of austenite and ferrite phases, offering high strength and excellent corrosion resistance. Verify the composition of the alloy to ensure it meets your specific needs.
Corrosion Resistance: Super duplex steel is known for its superior corrosion resistance compared to standard stainless steel. Evaluate the pipe’s corrosion resistance in environments where it will be used, such as marine environments or chemical processing plants.
Mechanical Properties: Check the mechanical properties such as tensile strength, yield strength, and elongation. These properties determine the structural integrity and performance of the pipe under different operating conditions.
Size and Dimensions: Determine the pipe’s required size, wall thickness, and dimensions based on your application and installation requirements. Consider factors such as flow rate and pressure drop.
Cost Considerations: While quality is paramount, consider the overall cost-effectiveness of the pipe, including initial purchase price, maintenance costs, and lifecycle durability.

Can Super Duplex Steel Pipe be used for structural applications?

Due to its corrosion resistance and strength, Super Duplex Steel Pipe is primarily designed for aggressive environments like offshore oil platforms and chemical processing. While it can be utilized in structural applications, its high cost and specialized properties may only sometimes justify its use over more conventional structural materials like carbon steel or stainless steel.

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FAQ (Frequently Asked Questions)

Are Super Duplex Steel Pipe Recyclable?

Yes, Super Duplex Steel pipes are recyclable. They are primarily composed of iron, chromium, nickel, and molybdenum, all highly recyclable. Recycling these pipes helps conserve natural resources, reduces energy consumption in production, and minimizes waste disposal. Therefore, Super Duplex Steel pipes contribute to sustainable practices in the steel industry.

What Are The Considerations For Selecting Super Duplex Steel Pipe?

When selecting super duplex steel pipe, consider factors such as corrosion resistance in harsh environments (especially containing chlorides), mechanical strength for high-pressure applications, and suitability for welding and fabrication to ensure long-term performance and reliability.

How Can I Prevent Galvanic Corrosion In Super Duplex Steel Piping Systems?

To prevent galvanic corrosion in super duplex steel piping systems, use insulation or non-conductive gaskets between dissimilar metals, such as carbon steel and super duplex. Additionally, corrosion inhibitors or select materials with similar galvanic potentials can be applied to components in contact with each other. Regular maintenance and monitoring are crucial to detecting and addressing potential corrosion issues early.