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We specialize in manufacturing high-quality duplex and super duplex stainless steel products available in sheet, plate, coils, and strips to meet diverse industrial requirements.
Product Specifications
Products 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 cutting as request
Brand
POSCO TISCO BAOSTEEL JISCO ESS
Other Grade
304 316L 309S 310S 321 347 2507 904L 254SMO etc.
Service
Cutting
About Duplex 2205 Stainless Steel
Duplex 2205 stainless steel (both ferritic and austenitic) is used extensively in applications that require good corrosion resistance and strength. The S31803 grade stainless steel has undergone modifications resulting in UNS S32205, offering higher resistance to corrosion.
At temperatures above 300°C, brittle micro-constituents undergo precipitation, and below -50°C they undergo ductile-to-brittle transition, making this grade unsuitable for use at these temperatures.
Key Benefits of Duplex 2205
High resistance to pitting and crevice corrosion
Excellent performance in most caustic environments
Good weldability characteristics
Higher corrosion resistance than most austenitic stainless steels
Chemical Composition Ranges for Grade 2205
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 of Duplex 2205 Stainless Steel
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 of Duplex 2205 Stainless Steel
This unique mix of materials makes Duplex 2205 the right choice for critical applications across multiple industries:
Chemical processing, transport, and storage
Marine and Land cargo tanks
Biofuel production
Food processing
Pulp and Paper manufacturing
Oil and gas exploration and processing
Waste management
High chloride environments
Product Gallery
About Our Company
Large company integrating wholesale of duplex steel and material processing
Domestic partners: TISCO, BAOSTEEL, POSCO, JISCO, LISCO, TSINGSHAN, ESS etc.
Foreign Partners: COLUMBUS, NAS, OUTOKUMPU, Nippon metal, NipponYakinKogyoNSC etc.
Applications: ship washing tower equipment, roadbed desulfurization tower, cooling tower, and many other industries
Processing equipment: Imported from Italy including hot rolling machine, strip machine, high level water cutting machine, plasma cutting machine, large CNC milling machine, boring machine and other imported processing equipment
Logistics and Packaging Information
Packing Method: wooden pallets and waterproof paper packing
Packing Size: 1000*2000mm 1219*2438mm 1500*6000mm 2000*6000mm or as requested
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...
