Are you curious about the best duplex stainless steel manufacturers? Understanding the top factories is crucial for making informed decisions in your projects. By knowing the leading options, you can ensure quality and reliability. Dive in to discover which manufacturers stand out and why they matter for your needs!

Top Duplex Stainless Steel Manufacturers, Suppliers … – Enggpro

Product Details: Duplex Stainless Steel, particularly grade 2205, known for high strength and corrosion resistance.

Technical Parameters:
– 22% Chromium
– 5% Nickel

Application Scenarios:
– Oil and gas industry
– Marine applications

Pros:
– High strength
– Excellent resistance to stress corrosion cracking

Cons:
– Complex metallurgy
– Higher cost compared to ferritic and austenitic steels


Top Duplex Stainless Steel Manufacturers, Suppliers ... - Enggpro

Duplex Stainless Steel Manufacturer

Product Details: Duplex stainless steel is a type of stainless steel with a two-phase microstructure consisting of both austenitic and ferritic phases in equal proportions, offering excellent mechanical and corrosion-resistant properties.

Technical Parameters:
– Density: 7.8 g/cm³
– Melting Range: 1400-1460°C
– Yield Strength: 450-620 MPa
– Tensile Strength: 620-880 MPa

Application Scenarios:
– Offshore oil rigs
– Chemical processing plants
– Marine applications

Pros:
– High strength and durability
– Excellent corrosion resistance
– Good weldability and maChinability

Cons:
– Higher cost compared to austenitic stainless steel
– Requires careful welding to avoid defects

Premium Duplex Steel Products | Steelco Metal & Alloys

Product Details: Duplex Stainless Steel products including sheets and round bars.

Technical Parameters:
– Tensile Strength: 620 MPa (2205), 770 MPa (UR52N+)
– Density: 7.805 g/cm3 (2205), 7.810 g/cm3 (UR52N+)

Application Scenarios:
– Power generation
– Chemical Industries

Pros:
– High corrosion resistance
– Excellent weldability

Cons:
– Brittleness at high temperatures
– Requires careful handling during welding


Premium Duplex Steel Products | Steelco Metal & Alloys

Allied Stainless – AlliedGroup

Product Details: Allied Stainless offers a comprehensive inventory of Stainless Steel and alloys including Seamless Pipe, Welded Pipe, Butt Weld Fittings, Flanges, and Forged Steel.

Technical Parameters:
– Size Range: 1/4” – 36” for Welded Pipe and Flanges; 1/2” – 36” for Butt Weld Fit…
– Schedules: 10S – XXH for Seamless and Butt Weld Fittings; 10S, 40S, 80S for Weld…

Application Scenarios:
– Used in oil and gas, chemical, nuclear, and energy industries.
– Applicable in construction and related sectors.

Pros:
– Comprehensive inventory across 11 locations in North America.
– Utilizes manufacturing capabilities to extend product offerings.

Cons:
– Limited size range for some products (e.g., Forged Steel only up to 4”).
– Potentially high pressure classes may not suit all applications.

Duplex Pipe, Valves, Fittings & Flanges – U.S. Metals

Product Details: Duplex Pipe, Valves, Fittings & Flanges offered by U.S. Metals, including various grades such as DUPLEX, 2205 DUPLEX, SUPER DUPLEX FERRALIUM 225, SUPER DUPLEX 2507, and SUPER DUPLEX ZERON 100.

Technical Parameters:
– UNS # S31200, S31803, S32205, S32550, S32750, S32760
– ASTM designations A/SA790, A928, A/SA789, A/SA815, A/SA182, A/SA240, A/SA479

Application Scenarios:
– Chemical Process Industry using Duplex grades in sulfuric, nitric, and phosphori…
– Oil and gas production utilizing Duplex materials.

Pros:
– Strong resistance to stress corrosion cracking.
– Suitable for high energy/high temperature piping systems.

Cons:
– Potential issues with creep cracking and hardness problems.
– Higher costs compared to standard materials.


Duplex Pipe, Valves, Fittings & Flanges - U.S. Metals

Premium Stainless Steel Materials and Processing | Penn Stainless

Product Details: Premium stainless steel materials including sheet, plate, bar, tubular, and structural forms.

Technical Parameters:
– Over 30 grades of stainless steel including 300 and 400 series, duplex, 17-4PH,…
– Available in various forms such as I-Beam, Channel, and Tee’s.

Application Scenarios:
– Used in construction and manufacturing requiring corrosion resistance.
– Applicable in industries needing high-temperature stainless grades.

Pros:
– Wide selection of stainless steel grades and forms.
– Custom processing services available for specific requirements.

Cons:
– Potentially higher cost compared to standard steel products.
– Availability may vary based on specific grades and forms.

Duplex Stainless Steel Alloys | CRA

Product Details: Duplex Stainless Steels and Super Duplex Stainless Steels for corrosion resistance in various environments.

Technical Parameters:
– Yield strengths up to 140 ksi for Duplex Stainless Steels.
– Pitting Resistance Equivalent Number (PREN) greater than 40 for Super Duplex Sta…

Application Scenarios:
– Sweet (CO2) environments with chlorides or dissolved oxygen.
– Seawater and water injection wells.

Pros:
– High corrosion resistance in challenging environments.
– High strength and durability.

Cons:
– Potential for pitting and crevice corrosion in certain conditions.
– Requires careful handling and processing.


Duplex Stainless Steel Alloys | CRA

Super Duplex Stainless Steel Tubes Manufacturer

Product Details: Super duplex stainless steel tubes are highly durable and resistant to corrosion, suitable for harsh environments. Available grades include S32750, S32760, S32550, and others.

Technical Parameters:
– Higher chromium, molybdenum, and nitrogen content than standard duplex stainless…
– Standard super duplex tubes contain 22% chromium, 5-6% nickel, 3% molybdenum.

Application Scenarios:
– Oil and gas industry applications.
– Marine and chemical processing industries.

Pros:
– Exceptional strength and corrosion resistance.
– Excellent heat resistance for high-temperature applications.

Cons:
– Seamless tubes are more expensive to produce.
– Welded tubes have a lower tolerance for pressure and temperature changes.

Duplex Stainless Steel Pipes And Pipe Fittings Manufacturer

Product Details: Duplex stainless steel pipes and pipe fittings are made from a combination of austenitic and ferritic stainless steels, offering superior strength and corrosion resistance.

Technical Parameters:
– Manufactured according to ASTM A312 standard
– Available in various sizes, shapes, and lengths

Application Scenarios:
– Oil and gas industry
– Marine applications such as shipbuilding and offshore drilling

Pros:
– High strength and durability
– Excellent corrosion resistance

Cons:
– Higher cost compared to traditional stainless steel
– Requires specific manufacturing standards

Duplex Stainless Steel | Duplex Plate | Brown McFarlane

Product Details: Duplex stainless steel plate in specification S31803 (1.4462) and S32205, sourced from Western European mills.

Technical Parameters:
– Plate thickness: 5mm to 100mm
– Plate width: 1500/2000/2500/3000mm, Plate length: up to 12000mm

Application Scenarios:
– Nuclear sector
– Oilfield fabrications

Pros:
– Higher yield strength, reducing plate thickness and weight
– Good weldability and low temperature toughness

Cons:
– Not amenable to heat treatment
– Requires careful welding techniques


Duplex Stainless Steel | Duplex Plate | Brown McFarlane

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Comparison Table

Company Product Details Pros Cons Website
Top Duplex Stainless Steel Manufacturers, Suppliers … – Enggpro Duplex Stainless Steel, particularly grade 2205, known for high strength and corrosion resistance. – High strength – Excellent resistance to stress corrosion cracking – Complex metallurgy – Higher cost compared to ferritic and austenitic steels www.enggpro.com
Duplex Stainless Steel Manufacturer Duplex stainless steel is a type of stainless steel with a two-phase microstructure consisting of both austenitic and ferritic phases in equal proport… – High strength and durability – Excellent corrosion resistance – Good weldability and maChinability – Higher cost compared to austenitic stainless steel – Requires careful welding to avoid defects omsteel.com
Premium Duplex Steel Products Steelco Metal & Alloys Duplex Stainless Steel products including sheets and round bars. – High corrosion resistance – Excellent weldability – Brittleness at high temperatures – Requires careful handling during welding
Allied Stainless – AlliedGroup Allied Stainless offers a comprehensive inventory of Stainless Steel and alloys including Seamless Pipe, Welded Pipe, Butt Weld Fittings, Flanges, and… – Comprehensive inventory across 11 locations in North America. – Utilizes manufacturing capabilities to extend product offerings. – Limited size range for some products (e.g., Forged Steel only up to 4”). – Potentially high pressure classes may not suit all applications. www.allied-grp.com
Duplex Pipe, Valves, Fittings & Flanges – U.S. Metals Duplex Pipe, Valves, Fittings & Flanges offered by U.S. Metals, including various grades such as DUPLEX, 2205 DUPLEX, SUPER DUPLEX FERRALIUM 225, SUPE… – Strong resistance to stress corrosion cracking. – Suitable for high energy/high temperature piping systems. – Potential issues with creep cracking and hardness problems. – Higher costs compared to standard materials. www.usmetals.com
Premium Stainless Steel Materials and Processing Penn Stainless Premium stainless steel materials including sheet, plate, bar, tubular, and structural forms. – Wide selection of stainless steel grades and forms. – Custom processing services available for specific requirements. – Potentially higher cost compared to standard steel products. – Availability may vary based on specific grades and forms.
Duplex Stainless Steel Alloys CRA Duplex Stainless Steels and Super Duplex Stainless Steels for corrosion resistance in various environments. – High corrosion resistance in challenging environments. – High strength and durability. – Potential for pitting and crevice corrosion in certain conditions. – Requires careful handling and processing.
Super Duplex Stainless Steel Tubes Manufacturer Super duplex stainless steel tubes are highly durable and resistant to corrosion, suitable for harsh environments. Available grades include S32750, S3… – Exceptional strength and corrosion resistance. – Excellent heat resistance for high-temperature applications. – Seamless tubes are more expensive to produce. – Welded tubes have a lower tolerance for pressure and temperature changes. omsteel.com
Duplex Stainless Steel Pipes And Pipe Fittings Manufacturer Duplex stainless steel pipes and pipe fittings are made from a combination of austenitic and ferritic stainless steels, offering superior strength and… – High strength and durability – Excellent corrosion resistance – Higher cost compared to traditional stainless steel – Requires specific manufacturing standards omsteel.com
Duplex Stainless Steel Duplex Plate Brown McFarlane Duplex stainless steel plate in specification S31803 (1.4462) and S32205, sourced from Western European mills. – Higher yield strength, reducing plate thickness and weight – Good weldability and low temperature toughness

Frequently Asked Questions (FAQs)

What is duplex stainless steel, and why is it used?

Duplex stainless steel is a type of steel that combines both austenitic and ferritic structures, offering high strength and excellent corrosion resistance. It’s commonly used in industries like oil and gas, chemical processing, and marine applications due to its durability and ability to withstand harsh environments.

How do I choose a reliable duplex stainless steel manufacturer?

When selecting a manufacturer, consider their experience, certifications, and customer reviews. Look for factories that adhere to international quality standards and have a proven track record in producing duplex stainless steel products.

What are the typical applications of duplex stainless steel?

Duplex stainless steel is widely used in various applications, including pressure vessels, heat exchangers, pipelines, and marine equipment. Its strength and resistance to pitting make it ideal for environments exposed to saltwater and chemicals.

What quality control measures do duplex stainless steel manufacturers implement?

Reputable manufacturers implement rigorous quality control measures, including material testing, dimensional inspections, and adherence to industry standards. They often use advanced technologies and processes to ensure the final products meet specifications and customer requirements.

Can duplex stainless steel be welded, and what precautions should be taken?

Yes, duplex stainless steel can be welded, but it requires specific techniques to avoid issues like cracking. It’s essential to use the right filler materials and maintain proper heat input during welding to preserve the material’s properties and prevent corrosion.