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Duplex 2205 stainless steel plate combining ferritic and austenitic properties for superior corrosion resistance and strength in demanding applications.
Product Specifications
Technical Details
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 Sizes
1000×2000mm, 1219×2438mm, 1500×6000mm, 1800×6000mm, 2000×6000mm or custom cutting
Brand
POSCO, TISCO, BAOSTEEL, JISCO, ESS
Other Available Grades
304, 316L, 309S, 310S, 321, 347, 2507, 904L, 254SMO, etc.
Services
Custom Cutting
Material Properties
Duplex 2205 stainless steel (UNS S31803/S32205) offers exceptional corrosion resistance combined with high strength. This nitrogen-enhanced grade provides superior performance compared to standard austenitic stainless steels.
Key Benefits
High resistance to pitting and crevice corrosion
Excellent performance in most caustic environments
Superior weldability characteristics
Enhanced strength-to-weight ratio
Note: Not recommended for use above 300°C (brittle precipitation) or below -50°C (ductile-to-brittle transition).
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
Applications
Duplex 2205 stainless steel is ideal for critical applications across multiple 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
We are a leading integrated company specializing in duplex steel wholesale and material processing with comprehensive capabilities.
Ship washing tower equipment, roadbed desulfurization towers, cooling towers, and various industrial applications
Processing Equipment
Italian imported hot rolling machines, strip machines, high-level water cutting machines, plasma cutting machines, large CNC milling machines, boring machines, and other advanced processing equipment
Packaging & Logistics
Packaging Specifications
Packaging Method
Wooden pallets with waterproof paper
Standard Sizes
1000×2000mm, 1219×2438mm, 1500×6000mm, 2000×6000mm or custom sizes
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...