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31803 32750 32760 2304 2520 F55 253mA Duplex Steel Seamless Pipe ASTM A789 Standard
| Place of Origin | China |
|---|---|
| Brand Name | DELTA |
| Certification | ISO |
| Model Number | 304 309s 310S 316L 317L 321 347 2205 2507 904L.etc |
| Minimum Order Quantity | 500 kgs |
| Price | 4650-5760 USD/Ton |
| Packaging Details | standard packing for export |
| Delivery Time | 5 - 12 days based on the quantity |
| Payment Terms | T/T, Western Union, L/C |
| Supply Ability | 10 Ton per week |
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xProduct Details
| Products | Stainless Steel Pipe | Grade | 304 309s 310S 316L 317L 321 347 2205 2507 904L.etc |
|---|---|---|---|
| Standard | ASTM GB EN | Length | 6m Or Custom Cutting Any Length As Request |
| Diameter | DN10 - DN400 | Wall Thickness | SCH10 - XXS Or Unstandard Size |
| Type | Seamless Pipe | Service | Cutting, Polishing |
| Application | Industrial | Packing | Wooden Box Or PP Bag |
| Highlight | 253mA Duplex Steel Seamless Pipe,A789 Duplex Steel Seamless Pipe,2520 Duplex Steel Seamless Pipe |
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Product Description
31803 32750 32760 2304 2520 F55 253mA Duplex Steel Seamless Pipe ASTM A789 Standard
| Item | Stainless Steel Pipe / Tube | |
| Steel Grade | 201, 202, 301, 302, 303, 304, 304L, 304H, 309, 309S, 310S, 316, 316L, 317L, 321, 409L, 410, 410S, 420, 420J1, 420J2, 430, 444, 441, 904L, 2205, 2507, 2101, 2520, 2304, 254SMO, 253MA, F55 |
|
| Standard | ASTM A213,A312,ASTM A269,ASTM A778,ASTM A789,DIN 17456, DIN17457,DIN 17459,JIS G3459,JIS G3463,GOST9941,EN10216, BS3605,GB13296 | |
| Surface | Polishing, Annealing, Pickling, Bright, Hairline, Mirror, Matte | |
| Type | Hot rolled , Cold rolled | |
| stainless steel round pipe/tube | ||
| Size | Wall thickness | 1mm-150mm(SCH10-XXS) |
| Outer diameter | 6mm-2500mm (3/8"-100") | |
| stainless steel square pipe/tube | ||
| Size | Wall thickness | 1mm-150mm(SCH10-XXS) |
| Outer diameter | 4mm*4mm-800mm*800mm | |
| stainless steel rectangular pipe/tube | ||
| Size | Wall thickness | 1mm-150mm(SCH10-XXS) |
| Outer diameter | 6mm-2500mm (3/8"-100") | |
| Length | 4000mm,5800mm,6000mm,12000mm,or as required. | |
| Trade terms | Price terms | FOB,CIF,CFR,CNF,Ex-work |
| Payment terms | T/T, L/C, Western union, Paypal, DP, DA | |
| Delivery time | Prompt delivery or as the order quantity. | |
| Export to | Ireland,Singapore,Indonesia,Ukraine,Saudi Arabia,Spain,Canada,USA, Brazil,Thailand,Korea,Italy,India,Egypt,Oman,Malaysia,Kuwait,Canada, Viet Nam, Peru,Mexico,Dubai, Russia,etc | |
| Package | Standard export seaworthy package,or as required. | |
| Application | Widely used in petroleum,foodstuff,chemical industry,construction, electric power,nuclear,energy,machinery,biotechnology,paper making,shipbuilding,boiler fields. Pipes also can be made according to the customer's required. |
|
| Contact | If you have any questions,please feel free to contact me. | |
| Container size | 20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High) 24-26CBM 40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High) 54CBM 40ft HC:12032mm(Length)x2352mm(Width)x2698mm(High) 68CBM |
|
- Austenitic stainless steel:TP304, TP304L, TP304H, TP310S, TP316, TP316L, TP316H, TP316Ti, TP317, TP317L, TP321, TP321H, TP347, TP347H, TP347HFG N08904(904L), S30432, S31254, N08367, S30815...
- Duplex stainless steel:S31803, S32205, S32750, S32760, S32707, S32906...
- Nickel Alloy:N04400, N06600, N06625, N08800, N08810(800H), N08825...
Duplex Stainless Steels are a specific group of engineering stainless steel materials consisting of the austenitic and ferritic phases in roughly equal proportions in the microstructure. They are widely popular because of their good corrosion resistance, high strength, and ease of fabrication. They are also popular by their acronym DSS. Compared to traditional austenitic stainless steel and ferritic stainless steel grades; Duplex Stainless Steels provide a range of benefits like:
- Improved Strength: Roughly two times stronger than normal stainless steel grades.
- High Toughness and Ductility
- High Corrosion Resistance
- Cost-Effectiveness: High strength of DSS material required less pipe thickness reducing pipe weight. Also, lower levels of nickel reduce cost.
Applications of Duplex Stainless Steel
Excellent corrosion resistance with increased strength and affordable pricing makes duplex stainless steel (DSS) a popular choice for a variety of industries. Their wide uses are found in:
- Chemical and liquid processing
- Offshore (flowlines, risers) and other industrial operations
- Naval parts and components
- Pulp and paper production
- Pollution control equipment
- Water Treatment/Desalination plants
- Construction, Infrastructure, Architecture
- Hot water and brewing tanks
- Food and Drink Storage
- Boilers, Heat exchangers, pressure vessels
- Marine Tanks
- Renewable Energy
- Nuclear Industry
Duplex Stainless Steel Grades
Duplex stainless steels have a higher chromium content, 20–28%; higher molybdenum, up to 5%; lower nickel, up to 9%, and 0.05–0.50% nitrogen as compared to austenitic stainless steels. For resistance against pitting corrosion, DSS material is an ideal selection. The resistance against pitting corrosion is characterized by the pitting resistance equivalence number, or PREN Number defined as follows:
PREN = %Cr + 3.3 %Mo + 16 %N
Depending on the PREN Number values, Duplex Stainless Steel is categorized into four grades.
- Lean duplex grades (PREN range: 22–27): No deliberate Molybdenum addition. mainly used in the building and construction industry for bridges, pressure vessels, or tie bars. Example: S32001, S32101, S32304, S32202.
- Standard duplex (PREN range: 28–38): The most widely used (More than 80%) duplex stainless steel material with mid-range properties. Example: S32003, S31803, S32205
- Super duplex (PREN range: 38-45): Higher contents of Cr, Ni, Mo, N, and even W. Specifically designed for highly corrosive oil&gas and chemical industries. Example, S32750, S32760, S32950, S32808.
- Hyper duplex (PREN >45): These are highly alloyed duplex stainless steel. Example S32707, S33207
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