Are you curious about where to find the best duplex steel factories in China? With the growing demand for high-quality duplex steel, knowing the top players in the industry can make all the difference for your projects. By comparing these factories, you can ensure you’re choosing a partner that meets your quality and efficiency needs. Imagine the peace of mind that comes with selecting a reliable supplier! Dive into our article to discover the leading duplex steel manufacturers and make informed decisions that will elevate your business. Let’s explore the best options together!

Duplex Stainless Steel Pipe Manufacturers in China | Zhstainlesspipe.com

Product Details: Duplex Stainless Steel Pipe Manufacturer & Supplier specializing in various grades including 2205 and 2507.

Technical Parameters:
– Yield strength of 2205 duplex stainless steel is more than twice that of ordinar…
– S31803 dual-phase stainless steel has twice the compressive strength of austenit…

Application Scenarios:
– Used for heat exchangers and devices for oil refining.
– Suitable for highly corrosive conditions.

Pros:
– High strength and corrosion resistance.
– Wide range of products including seamless pipes and fittings.

Cons:
– Higher cost compared to standard stainless steel.
– Requires specific handling and processing due to material properties.

Duplex Steel Tube Duplex Steel Pipe Manufacturer – Tubing China

Product Details: Duplex stainless steel pipe and tube manufactured by Guanyu Tube, including grades such as ASTM A789, SA789, S31803, S32205, and 2205.

Technical Parameters:
– Alloy 2205 UNS S32305/S31803: 22% chromium, 3% molybdenum, 5-6% nickel
– Tensile strength: S31803 min. 90 ksi [620 MPa], S32205 min. 95 ksi [655 MPa]

Application Scenarios:
– Chemical processing
– Petrochemical applications

Pros:
– Superior resistance to general and local corrosion
– Good weldability and mechanical properties

Cons:
– Susceptible to embrittlement at elevated temperatures
– Higher cost compared to standard stainless steels

China Duplex Steel Pipe – Duplex Steel Pipe Manufacturers, Suppliers …

Product Details: Duplex Steel Pipe is a type of steel pipe that has a two-phase microstructure composed of both austenitic and ferritic stainless steel.

Technical Parameters:
– Corrosion resistance: Excellent due to two-phase microstructure.
– Temperature tolerance: Up to 600°C (1110°F).

Application Scenarios:
– Oil and gas extraction.
– Chemical processing and marine applications.

Pros:
– High strength-to-weight ratio.
– Excellent corrosion resistance.

Cons:
– Higher cost compared to standard carbon steel.
– Requires careful handling to avoid damage during installation.

Supplier and Distributor of stainless steel seamless and welded pipes …

Product Details: Supplier and distributor of stainless steel seamless and welded pipes and tubes in duplex steel, nickel alloys, titanium steel, low alloy, copper alloy.

Technical Parameters:
– Materials: Stainless steel, duplex steel, super duplex steel, nickel alloys.
– Standards: International quality standards.

Application Scenarios:
– Petroleum industry
– Pharmaceutical industry

Pros:
– Wide range of materials and products available.
– Quality control with multiple inspections.

Cons:
– Limited specific technical parameters provided.
– No detailed information on pricing or delivery times.

Wholesale Duplex Stainless Steel Welded Pipe/Tube

Product Details: Duplex (Austenitic/Ferritic) stainless steel welded pipe/tube manufactured by Huzhou Dingshang Stainless Steel Co., Ltd.

Technical Parameters:
– ASTM A789/A790
– S31803/S32205/S32750

Application Scenarios:
– Oil and Gas Industry
– Chemical and Petrochemical Industry

Pros:
– Enhanced strength and corrosion resistance
– Resistance to stress corrosion cracking

Cons:
– Higher cost compared to standard stainless steel
– Requires specialized welding techniques

China Stainless Steel Pipe, Duplex Stainless Steel Pipe, Stainless …

Product Details: Stainless Steel Pipes, Duplex Stainless Steel Pipes, Stainless Steel Plates

Technical Parameters:
– High strength
– Corrosion resistance

Application Scenarios:
– Chemical Processing
– Marine Engineering

Pros:
– High quality materials
– Wide range of applications

Cons:
– Potentially higher cost
– Limited availability in some regions

Duplex Steel & Super Duplex Steel Pipes & Tubes in China

Product Details: Duplex and Super Duplex Steel Pipes and Tubes

Technical Parameters:
– High strength
– Corrosion resistance

Application Scenarios:
– Oil and gas industry
– Chemical processing

Pros:
– Excellent mechanical properties
– Good weldability

Cons:
– Higher cost compared to standard steel
– Requires specific handling and storage

China Duplex Steel Manufacturers, Suppliers, Factory – Duplex Steel …

Product Details: Super duplex steel pipe refers to a type of high-performance steel pipe made from super duplex stainless steel.

Technical Parameters:
– High corrosion resistance
– High strength

Application Scenarios:
– Oil and gas industry
– Marine applications

Pros:
– Excellent mechanical properties
– Good weldability

Cons:
– Higher cost compared to standard stainless steel
– Requires specialized welding techniques

Practical guide to using duplex stainless steels – Nickel Institute

Product Details: Duplex stainless steels are nickel-containing alloys characterized by a microstructure of approximately equal parts austenite and ferrite, offering high strength and corrosion resistance.

Technical Parameters:
– Yield strength: 450-550 MPa
– Pitting Resistance Equivalent (PRE): 22-52

Application Scenarios:
– Oil and gas production equipment
– Chemical processing industries

Pros:
– Highly resistant to chloride stress corrosion cracking
– Lower nickel content reduces sensitivity to nickel price fluctuations

Cons:
– Welding can lead to loss of optimal phase balance
– Requires careful control of heat input during fabrication

China Duplex Stainless Steel Manufacturers, Suppliers, Factory

Product Details: Duplex Stainless Steel

Technical Parameters:
– High strength
– Corrosion resistance

Application Scenarios:
– Oil and gas industry
– Marine applications

Pros:
– Excellent mechanical properties
– Good weldability

Cons:
– Higher cost compared to standard stainless steel
– Requires careful handling during fabrication

Related Video

Comparison Table

Company	Product Details	Pros	Cons	Website
Duplex Stainless Steel Pipe Manufacturers in China	Zhstainlesspipe.com	Duplex Stainless Steel Pipe Manufacturer & Supplier specializing in various grades including 2205 and 2507.	– High strength and corrosion resistance. – Wide range of products including seamless pipes and fittings.	– Higher cost compared to standard stainless steel. – Requires specific handling and processing due to material properties.
Duplex Steel Tube Duplex Steel Pipe Manufacturer – Tubing China	Duplex stainless steel pipe and tube manufactured by Guanyu Tube, including grades such as ASTM A789, SA789, S31803, S32205, and 2205.	– Superior resistance to general and local corrosion – Good weldability and mechanical properties	– Susceptible to embrittlement at elevated temperatures – Higher cost compared to standard stainless steels	tubingchina.com
China Duplex Steel Pipe – Duplex Steel Pipe Manufacturers, Suppliers …	Duplex Steel Pipe is a type of steel pipe that has a two-phase microstructure composed of both austenitic and ferritic stainless steel.	– High strength-to-weight ratio. – Excellent corrosion resistance.	– Higher cost compared to standard carbon steel. – Requires careful handling to avoid damage during installation.	www.gsspipe.com
Supplier and Distributor of stainless steel seamless and welded pipes …	Supplier and distributor of stainless steel seamless and welded pipes and tubes in duplex steel, nickel alloys, titanium steel, low alloy, copper allo…	– Wide range of materials and products available. – Quality control with multiple inspections.	– Limited specific technical parameters provided. – No detailed information on pricing or delivery times.	www.hengyangpiping.com
Wholesale Duplex Stainless Steel Welded Pipe/Tube	Duplex (Austenitic/Ferritic) stainless steel welded pipe/tube manufactured by Huzhou Dingshang Stainless Steel Co., Ltd.	– Enhanced strength and corrosion resistance – Resistance to stress corrosion cracking	– Higher cost compared to standard stainless steel – Requires specialized welding techniques	www.dsssco.com
China Stainless Steel Pipe, Duplex Stainless Steel Pipe, Stainless …	Stainless Steel Pipes, Duplex Stainless Steel Pipes, Stainless Steel Plates	– High quality materials – Wide range of applications	– Potentially higher cost – Limited availability in some regions	www.htsteelpipe.com
Duplex Steel & Super Duplex Steel Pipes & Tubes in China	Duplex and Super Duplex Steel Pipes and Tubes	– Excellent mechanical properties – Good weldability	– Higher cost compared to standard steel – Requires specific handling and storage	www.multimetalsind.com
China Duplex Steel Manufacturers, Suppliers, Factory – Duplex Steel …	Super duplex steel pipe refers to a type of high-performance steel pipe made from super duplex stainless steel.	– Excellent mechanical properties – Good weldability	– Higher cost compared to standard stainless steel – Requires specialized welding techniques	www.baosteelpipes.com
Practical guide to using duplex stainless steels – Nickel Institute	Duplex stainless steels are nickel-containing alloys characterized by a microstructure of approximately equal parts austenite and ferrite, offering hi…	– Highly resistant to chloride stress corrosion cracking – Lower nickel content reduces sensitivity to nickel price fluctuations	– Welding can lead to loss of optimal phase balance – Requires careful control of heat input during fabrication	nickelinstitute.org
China Duplex Stainless Steel Manufacturers, Suppliers, Factory	Duplex Stainless Steel	– Excellent mechanical properties – Good weldability	– Higher cost compared to standard stainless steel – Requires careful handling during fabrication	www.sstubepipe.com

Frequently Asked Questions (FAQs)

What is duplex steel, and why is it used in factories?

Duplex steel is a type of stainless steel that combines both austenitic and ferritic structures, offering high strength and excellent corrosion resistance. It’s commonly used in factories due to its durability, making it ideal for harsh environments, such as chemical processing and marine applications.

How do I choose a reliable duplex steel factory in China?

To choose a reliable factory, look for certifications like ISO 9001, check customer reviews, and assess their production capabilities. Visiting the factory or requesting samples can also help ensure they meet your quality standards.

What are the typical applications of duplex steel?

Duplex steel is widely used in various industries, including oil and gas, chemical processing, pulp and paper, and marine applications. Its strength and resistance to stress corrosion cracking make it suitable for demanding environments.

Are there any specific grades of duplex steel I should be aware of?

Yes, common grades include 2205 and 2507. Grade 2205 is versatile and widely used, while 2507 offers higher strength and corrosion resistance, making it suitable for more extreme conditions.

What should I consider regarding pricing when sourcing duplex steel?

When sourcing duplex steel, consider factors like material quality, factory reputation, and shipping costs. It’s essential to compare quotes from multiple suppliers and ensure that the pricing reflects the quality and service you expect.