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 a number of modifications resulting in UNS S32205, and was endorsed in the year 1996. This grade offers higher resistance to corrosion.
At temperatures above 300°C, the brittle micro-constituents of this grade undergo precipitation, and at temperatures below -50°C the micro-constituents undergo ductile-to-brittle transition; hence this grade of stainless steel is not suitable for use at these temperatures.
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 a number of modifications resulting in UNS S32205, and was endorsed in the year 1996. This grade offers higher resistance to corrosion.
At temperatures above 300°C, the brittle micro-constituents of this grade undergo precipitation, and at temperatures below -50°C the micro-constituents undergo ductile-to-brittle transition; hence this grade of stainless steel is not suitable for use at these temperatures.
Product Description
| Grade | ASTM S32205,2205/ GB S22053,022Cr23Ni5Mo3N |
| Available Standard | ASTM, AISI, SUS, JIS, EN, DIN, GB, ASME, etc. In general, ASTM A240/A240M or as your requirements |
| Certification | MTC from mill |
| Brand/MILL | TISCO,JISCO,PZSS,BAO Steel,LIANZHONG ,etc |
| Treatment | Hot Rolled |
| Thickness | 3mm-16mm |
| Width | ≤2000mm |
| Finish | NO.1 |
| Edge | Slit edge & Mill edge |
Specification
2205 stainless steel Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 2205 (S31803) | Min | - | - | - | - | - | 21 | 2.5 | 4.5 | 0.08 |
| Max | 0.03 | 2 | 1 | 0.03 | 0.02 | 23 | 3.5 | 6.5 | 0.2 | |
| 2205 (S32205) | Min | - | - | - | - | - | 22 | 3 | 4.5 | 0.14 |
| Max | 0.03 | 2 | 1 | 0.03 | 0.02 | 23 | 3.5 | 6.5 | 0.2 |
Mechanical Properties
Typical mechanical properties for grade 2205 stainless steels
| Grade | Tensile Str (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell C (HR C) | Brinell (HB) | ||||
| 2205 | 621 | 448 | 25 | 31 max | 293 max |
Physical Properties
2205 Stainless Typical physical properties for annealed grade 316 stainless steels:
| Grade | Density (kg/m3) | Elastic Modulus (GPa) |
| 2205 | 782 | 190 |
2205 Stainless Steel Grade Specification Comparison
| Grade | CN GB/T20878-2007 | USA ASTMA959-2004 | EUROPE EN10088:1-1995, EN10095-1999 | JIS G4303-1998 G4311-1991 | RUSSIA ΓOCT 5632-1972 | |||
| S22053 | 022Cr23Ni5Mo3N | S32205 | 2205 | — | — | |||
Applications
Oil and gas exploration
Processing equipment
Transport, storage and chemical processing
High chloride and marine environments
Paper machines, liquor tanks, pulp and paper digesters
In 2016, it signed a strategic cooperation agreement with major domestic stainless steel factories for the sales of medium and heavy plates and special steel products, which also enabled the company to have new and brighter sales varieties. At the same time, it provides one-stop service for cutting, cutting, forming and and surface processing of stainless steel.
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