Duplex Stainless Steel Plate

Duplex Stainless Steel Plate

Duplex stainless steel plate composed of austenite and ferrite has excellent high strength, corrosion resistance, toughness and other characteristics. The superior grade’s resistance to pitting corrosion, crevice corrosion and stress corrosion cracking makes it ideal for corrosive environments such as seawater, chloride-rich solutions and acidic conditions. Yield strength, enabling thinner plate thickness and weight reduction in structural applications, suitable for structural components, storage tanks, pressure vessels and process equipment.

  • SUS
  • ASTM
  • SAE
  • UNS
  • AISI
  • JIS
  • BSEN
  • DIN

Production Process:

  • Alloying & Smelting
  • Casting
  • Quality Control & Testing
  • Extrusion
  • Polishing
  • Pickling
  • Passivation

Production Technology:

  • Melting
  • Casting
  • Hot rolled
  • Cold Rolled
  • Heat Treatment
  • Cutting
  • Machining
  • Surface Treatment

Available, welcome to consult

A) Packaging Details: Standard export seaworthy packing or as required.
B) Delivery Time: 30-50 days, 7 days for stock goods.
C) Loading Port: Shanghai, Tianjin, Qingdao.
D) Offer Ability: 5000MT/Per Month.
E) MOQ: 1 Pcs.

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Duplex Stainless Steel Plate Supplier & Manufacturer Supply Rich Grade/Size In Gnee

Gnee is a leading ISO certified Duplex Steel Plate supplier, manufacturer, exporter, manufacturer, wholesaler, distributor in China. We offer superior quality Duplex Stainless Steel Hot Rolled Sheets, Cold Rolled Sheets, Super Duplex Stainless Steel Sheets and manufactured as per highest industry standards. With prompt delivery, professional technical support and competitive pricing, our duplex steel plates are available in a variety of grades and sizes and can be customized to your exact requirements. Gnee is your reliable partner to meet your stainless steel pipe needs, welcome to contact us!

Duplex Alloy Stainless Steel Plate Common Grades In Large Stock
  • 2205 (UNS S31803/S32205, EN 1.4462)
  • 2304 (UNS S32304, EN 1.4362)
  • 2507 (UNS S32750, EN 1.4410)
  • 2003 (UNS S32520, EN 1.4507)
  • 2506 (UNS S32760, EN 1.4501)
  • 2707 (UNS S32707, EN 1.4658)
  • 39274 (UNS S39274, EN 1.3921)
  • 39277 (UNS S39277, EN 1.3922)
Duplex Stainless Steel Metal Plate Specification
Product NameDuplex Stainless Steel Plate
Duplex Stainless Steel Sheet
Product TypesDuplex Stainless Steel Hot Rolled Plate
Duplex Stainless Steel Hot Rolled Sheet
Duplex Stainless Steel Cold Rolled Sheet
Duplex Stainless Steel Cold Rolled Plate
Surface Finish2B, BA, NO.1, NO.4, 8K, HL, Embossing, Satin, Mirror, etc.
Size and DimensionsDuplex Stainless Steel Hot Rolled Plate
Thickness Range (mm): 3.0 – 75.0
Width Range (mm): 1000 – 2500
Length Range (mm): 2000 – 6000

Duplex Stainless Steel Cold Rolled Plate
Thickness Range (mm): 0.3 – 6.0
Width Range (mm): 1000 – 2500
Length Range (mm): 2000 – 6000
ColorGolden, Black, Sapphire Blue, Brown, Rose Gold, Bronze, Silver, etc.
Processing TypeCutting, bending, stamping, welding, ANC machining
TechniqueCold Rolled, Hot Rolled
Packaging Stainless Steel Metal PlateExport sea-worthy package
CertificationSGS ISO MTC CE BV
Supply Ability50000KGS
Parameters Of Duplex Steel Sheet
22050.03 max2.00 max1.00 max0.03 max0.02 max21.0-23.04.5-6.52.5-3.5
23040.03 max2.50 max0.60 max0.04 max0.03 max21.5-24.53.0-5.50.05-0.6
25070.03 max1.20 max0.80 max0.035 max0.02 max24.0-26.06.0-8.03.0-5.0
20030.03 max1.50 max0.50 max0.04 max0.02 max24.0-26.05.7-6.73.00-4.00
25060.05 max1.00 max0.70 max0.03 max0.01 max24.0-26.06.0-8.06.0-8.0
27070.03 max1.20 max0.50 max0.04 max0.02 max26.0-29.06.0-8.06.0-8.0
392740.03 max2.00 max1.00 max0.03 max0.01 max24.0-26.06.0-8.0
392770.03 max2.00 max1.00 max0.03 max0.01 max24.0-26.06.0-8.0
GradeYield Strength (MPa)Tensile Strength (MPa)Elongation (%)Hardness (HB)
2205≥ 450≥ 620≥ 25≤ 290
2304≥ 400655-880≥ 25≤ 290
2507≥ 550≥ 800≥ 15≤ 310
2003≥ 550≥ 800≥ 15≤ 310
2506≥ 550≥ 750≥ 15≤ 300
2707≥ 550≥ 800≥ 15≤ 310
39274≥ 450≥ 650≥ 25≤ 290
39277≥ 450≥ 650≥ 25≤ 290
  • Chemical and Petrochemical Industry
  • Oil and Gas Industry
  • Desalination and Water Treatment
  • Food Processing and Storage
  • Structural and Architectural Applications
  • Marine and Shipbuilding
Why Choose Gnee Duplex Stainless Steel Plate Company?

Gnee, as a Chinese stainless steel supplier with 15 years of history, exports to 60+ countries. We provide various shapes of stainless steel, including plates, coils, pipes, bars, and fittings. Gnee is committed to providing comprehensive stainless steel solutions, with excellent after-sales service, we support customization and ensure product quality.

In addition, our stainless steel has been successfully exported to more than 60 countries such as Singapore, Malaysia, The United Arab Emirates, Oman, Turkey, Nigeria, Egypt, Kuwait, Indonesia, Qatar, and Kenya. Many regular customers come to visit our company and factory and make multiple orders.

What‘s The Feature Of Duplex Steel Plate?

Duplex Stainless Steel Plate exhibits exceptional corrosion resistance, surpassing that of austenitic and ferritic stainless steel plates. It offers excellent resistance to pitting, crevice corrosion, and stress corrosion cracking, making it highly suitable for aggressive environments such as seawater, chloride-rich solutions, and acidic conditions.

Duplex Stainless Steel Plate provides higher strength compared to austenitic stainless steel plates. It has a higher yield strength, allowing for thinner plate thicknesses and weight reduction in structural applications. This strength enables it to withstand heavy loads and pressure.

Duplex Stainless Steel Plate maintains good toughness and ductility, ensuring resistance to impact and vibration. It can withstand dynamic loading and harsh working conditions without compromising its structural integrity.

Duplex Stainless Steel Plate is versatile and finds applications in various industries. It is commonly used in oil and gas, chemical processing, pulp and paper, desalination, and more. Its combination of corrosion resistance, strength, and toughness makes it suitable for structural components, storage tanks, pressure vessels, and process equipment.

Duplex Stainless Steel Plate exhibits good weldability, allowing for efficient fabrication and installation. It can be easily welded using common welding techniques, although proper welding procedures should be followed to maintain its corrosion resistance and mechanical properties.

Duplex Stainless Steel Plate exhibits good heat resistance, allowing it to maintain its mechanical properties at elevated temperatures. It can withstand thermal cycling and is suitable for applications requiring resistance to high-temperature environments.

What Services Does Gnee Provide?

Gnee can provide the following measurement services for stainless steel:

Dimensional Measurement: Measure dimensional parameters such as length, width and thickness by measuring instruments to ensure that the stainless steel is qualified and meets the design requirements.
Surface Measurement: Measure parameters such as flatness, bumpiness and surface roughness of the stainless steel surface to help ensure that the quality and surface condition of the stainless steel meets the requirements.
Thickness Measurement: Use thickness gauges to accurately measure the thickness of the stainless steel to ensure it meets the design requirements.
Material Measurement: Use material analysis instruments to measure the chemical composition and mechanical properties of the stainless steel to ensure that the quality and properties of the stainless steel meet the requirements.
Bending And Deformation Measurements: Use tools such as bending gauges and displacement sensors to measure and monitor the degree of bending and deformation of stainless steel to ensure that it is within the allowable range.

Ask Measurement service

Gnee can customize the size and shape of your stainless steel for your specific project needs. Custom design of stainless steel is carried out by a team of professional engineers and designers. Based on the project requirements and constraints, they will use calculation and simulation tools combined with experience and technical knowledge to optimize the stainless steel design to meet the specific needs of your different projects

● Adjustment of the thickness, width and length of stainless steel based on load calculations and strength requirements for structural design.
● The shape of the stainless steel can be designed according to the demand characteristics.
● If the convenience of installation and maintenance is considered, we can also add openings and passages for easy access and operation in the design for areas that require frequent maintenance.

Ask Customized Services

Sourcing Gnee stainless steel can provide the following further processing services. We can customize to meet the specific needs of our customers for different projects.

Cutting Service: Stainless steel can be custom cut to obtain the desired shape and size according to the customer’s needs. For example, flame cutting, plasma cutting, laser cutting, etc., can cut stainless steel into desired plates, blocks, shaped pieces, etc.
Bending & Forming: Stainless steel is bent and formed by applying stress and appropriate processes to obtain the desired shape.
Welding Services: Stainless steel can be subjected to various types of welding services, including manual arc welding, gas-shielded welding, laser welding, etc.
Hole Turning And Machining: Stainless steel is turned and holes are machined through the use of machining equipment. These processes produce smooth surfaces, precise holes and threads to meet specific assembly requirements.
Surface Treatments: Surface treatments can be applied to improve the corrosion resistance and aesthetics of the stainless steel. This includes methods such as painting, hot dip galvanizing, and electroplating to add a protective layer and provide corrosion resistance.

Ask Deep Processing Services

Gnee stainless steel can provide testing and the following third-party inspection services. These third-party testing services provide independent and objective verification of stainless steel’s compliance with relevant standards and regulations.

Mechanical Property Testing: Used to determine whether the strength, toughness, ductility and other mechanical properties of stainless steel meet the specified requirements.
Chemical Composition Analysis: Quantitative determination of elements on stainless steel samples through spectral analysis, atomic absorption spectroscopy, inductive coupling and other technologies.
Corrosion Performance Test: Common corrosion performance test methods include salt spray corrosion test, acid-base corrosion test and electrochemical corrosion test.
Tensile Strength Test: Through the tensile test, the parameters such as yield strength, tensile strength and breaking strength of stainless steel during the tensile process are measured.
Non-Destructive Testing: Non-destructive testing is used to evaluate hidden defects, cracks and looseness in stainless steel materials. Common methods include ultrasonic testing, magnetic particle testing, eddy current testing, and radiographic testing.
Pressure Test: By exposing stainless steel products to a specific pressure, it is tested whether there are problems such as leakage or deformation to ensure that its pressure resistance meets the requirements.
Surface Quality Test: Used to evaluate the surface flatness, smoothness and oxide layer of stainless steel products.
Welding Performance Test: Check the appearance, mechanical properties and metallographic microstructure of the weld to ensure that the quality of the stainless steel welded joint meets the requirements.
Metallographic Inspection: Through metallographic inspection, the structure, grain size, non-metallic inclusions, etc. of stainless steel are checked to evaluate its quality and performance.

Ask Testing Services
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