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UNS S31803 2205 Duplex Stainless Steel Plate 0.4-60.0mm Hot Rolled Cold Rolled
| Place of Origin | China |
|---|---|
| Brand Name | TISCO BAOSTEEL |
| Certification | ISO |
| Model Number | 2205 |
| Minimum Order Quantity | 500 kgs |
| Price | 2100-5300 USD/Ton |
| Packaging Details | standard packing for export |
| Delivery Time | 5 - 12 days based on the quantity |
| Payment Terms | T/T, Western Union |
| Supply Ability | 20Ton per week |
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xProduct Details
| Products | Stainless Steel Plate | Grade | 2205 |
|---|---|---|---|
| Thickness | 0.4 - 16.0mm | Width | 1500mm 1219mm 1000mm |
| Surface | NO.1 2B | Brand | TISCO |
| Standard | ASTM A240/240M | Loading Port | Shanghai Port |
| High Light | UNS S31803 2205 duplex stainless steel plate,2205 duplex stainless steel plate 0.4mm,60.0mm duplex steel 2205 plate |
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Product Description
UNS S31803 Duplex Stainless Steel Plate Thickness 0.4 - 60.0mm Hot Rolled / Cold Rolled Alloy 2205 Stainless
Material to UNS S31803 is described as a duplex stainless steel with a microstructure of 50:50 austenite and ferrite.
Stainless Duplex UNS S31803 piping Products are less costly compared to other types of duplex steel material. One of the reasons is the composition does not have much molybdenum as opposed to other grades of duplex steel. 22 Cr Duplex UNS S31803 F51 raw material includes chromium and nickel in mid ranges. This makes the Duplex UNS S31803 material to perform midway between austenitic steel types and the super duplex steel types. Duplex SS UNS S31803 material is called the standard duplex steel. This is also the most commonly used type of duplex due to the low cost and interchangeability between austenitic steel needs and duplex steel needs.
GOOD MECHANICAL STRENGTH
The steel combines good mechanical strength (typically up to over 480 MPa yield strength) and ductility with moderate to good corrosion resistance in a variety of environments. By agreement, the alloy can be supplied with a PREN (Pitting Resistance Equivalent) at >34 which ensures that the resistance to pitting corrosion is as high as possible for this alloy grade. In addition, the steel offers good resistance to stress corrosion cracking. Ambient and sub-zero temperature notch ductility is good.
AN ALTERNATIVE TO 300 SERIES STAINLESS STEELS
These attributes mean that this duplex steel can be used successfully as an alternative to 300 series stainless steels in applications where higher mechanical strength / lower weight is required and / or resistance to stress corrosion cracking is needed.
We stock UNS S31803 in flats, round bar, plate, sheet, round tube, hollow bar and square bar.
S31803 / F51 is a duplex stainless steel based on a 22% chromium 5% nickel alloying system. Also known as 2205 this is the most widely used of the duplex grades and offers a combination of good strength and ductility and a very high marine corrosion resistance (better than grades such as 316).
It offers an excellent resistance to intergranular corrosion, pitting (PREN ≥35) and crevice corrosion combined with a high resistance to chloride stress corrosion cracking at temperatures up to ~150ºC. These attributes have enabled it to become a proven material for many offshore and marine components that have to operate in critical conditions.
Chemical Composition of UNS S31803 Duplex Stainless Steel
| Iron | Rem |
| Chromium | 22.0% |
| Nickel | 5.5% |
| Manganese | 2.0% max |
| Molybdenum | 3.0% |
Related Specifications
| S32205 | Alloy 2205 |
| EN 1.4462 | F51 |
Key Features of Duplex S31803 Stainless Steel
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High strength levels
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Very good resistance to pitting & crevice corrosion
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High resistance to stress corrosion cracking, fatigue and erosion
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Excellent resistance to chloride stress corrosion cracking
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Good workability and weldability
Typical Physical Properties
| Melting Point | 1440°C |
| Density | 7.8 g/cm³ |
| Thermal conductivity | 17.0 W/m°K |
| Thermal expansion coefficient | 14.0 x 10-6 |
| Electrical resistivity | 80 microhm-cm |
| Specific Heat (20°C) | 425 J/Kg °C |
| Modulus of Elasticity | 200 GPa |
| Magnetic Permeability | 33 |
Fabrication Properties
| Hot Forming temperature | 1149-1260°C |
| Machinability | Okay |
| Oxy-acetylene welding | Not recommended |
| Gas-shielded arc welding | Good |
| Resistance welding | Good |
Typical Applications
S31803 / F51 stainless has been used for components in food processing, power generation, paper and pulp industry, chemical processing and for offshore and marine activities. Components include pipework, high strength fasteners, wellhead and subsea wellhead fittings, desalination plant, seawater cooled heat exchanger, chemical tanks, flue gas filters and acetic acid distillation components.
This technical information is given by Holme Dodsworth Metals without charge and the user shall employ such information at their own discretion and risk. For more detailed technical advice on temper selection, fabrication, joining, machining, physical and mechanical data please contact us as space does not permit the listing of every feature of the material.
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