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High-performance duplex stainless steel plates offering superior corrosion resistance and strength for demanding industrial applications.
Product Specifications
Product Name
Duplex Stainless Steel Plate
Grade
2205 / S31803 / S32205 / 1.4462
Thickness
Cold Rolled 0.6 - 3.0mm, Hot Rolled 3.0 - 80.0mm
Width
1000mm, 1219mm, 1500mm, 1800mm, 2000mm
Standard Size
1000×2000mm, 1219×2438mm, 1500×6000mm, 1800×6000mm, 2000×6000mm or custom cutting available
Brand
POSCO, TISCO, BAOSTEEL, JISCO, ESS
Other Grades
304, 316L, 309S, 310S, 321, 347, 2507, 904L, 254SMO, etc.
Service
Custom Cutting
Material Overview
Duplex 2205 stainless steel combines both ferritic and austenitic structures, making it ideal for applications requiring excellent corrosion resistance and high strength. The S31803 grade has been refined into UNS S32205, offering enhanced corrosion resistance properties.
This grade undergoes precipitation of brittle micro-constituents above 300°C and ductile-to-brittle transition below -50°C, making it unsuitable for use at these extreme temperatures.
Key Benefits
High resistance to pitting and crevice corrosion
Excellent performance in most caustic environments
Superior corrosion resistance compared to standard austenitic stainless steels
Good weldability for fabrication and construction
High strength-to-weight ratio
Chemical Composition
Grade
C
Mn
Si
P
S
Cr
Mo
Ni
N
2205 (S31803)
- 0.030
- 2.00
- 1.00
- 0.030
- 0.020
21.0-23.0
2.5-3.5
4.5-6.5
0.08-0.20
2205 (S32205)
- 0.030
- 2.00
- 1.00
- 0.030
- 0.020
22.0-23.0
3.0-3.5
4.5-6.5
0.14-0.20
Mechanical Properties
Grade
Tensile Strength (MPa) min
Yield Strength 0.2% Proof (MPa) min
Elongation (% in 50mm) min
Rockwell C (HR C)
Brinell (HB)
2205
621
448
25
31 max
293 max
Grade Specification Comparison
Grade
UNS
EN
BS
JIS
SS
2205
S31803/S32205
1.4462
X2CrNiMoN22-5-3
318S13
SUS329J3L
Industrial Applications
The unique material properties of Duplex 2205 make it suitable for critical applications across various industries:
Chemical processing, transport, and storage
Marine and land cargo tanks
Biofuel production facilities
Food processing equipment
Pulp and paper manufacturing
Oil and gas exploration and processing
Waste management systems
High chloride environments
Product Gallery
Company Profile
Integrated wholesale and material processing specialist for duplex steel
Applications: ship washing tower equipment, roadbed desulfurization towers, cooling towers, and various industrial sectors
Advanced processing equipment including Italian imports: hot rolling machines, strip machines, high-level water cutting machines, plasma cutting machines, large CNC milling machines, boring machines
Packaging & Logistics
Packaging Specifications
Packaging Method: Wooden pallets with waterproof paper wrapping
Standard Sizes: 1000×2000mm, 1219×2438mm, 1500×6000mm, 2000×6000mm or custom dimensions
Package Weight: Approximately 2-3 tons per package
Company Overview :
The company has an indoor warehouse of 5000 square meters and an open warehouse of 4000 square meters, which can fully meet the temporary turnover and phased storage of customers' steel pipe reservation.
The subordinate processing plant has 6 sets of medium frequency h... Company Overview :
The company has an indoor warehouse of 5000 square meters and an open warehouse of 4000 square meters, which can fully meet the temporary turnover and phased storage of customers' steel pipe reservation.
The subordinate processing plant has 6 sets of medium frequency h...