ASTM A789 Uns S31803 Duplex Seamless Tube
Name：ASTM A789 uns S31803 Duplex Seamless Tube
Certification：ISO, RoHS, IBR, AISI, ASTM, GB, EN, DIN, JIS
Shape：round
Technique：Cold Rolled/Hot Rolled
Surface Treatment：Sanded /Mirror/Hairline Brushed
Thickness：0.3-30mm
out Diameter：8-219mm
Length：5.8/6m or Custom
Stock：in Stock
Sample：Available
Transport Package：Standard Sea-Worthy Packing
Send E-mail:info@gneestainless.com
Tel:+8615824687445
Description
Gnee Steel (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of astm a789 uns s31803 duplex seamless tube in China. With abundant experience, we warmly welcome you to wholesale customized astm a789 uns s31803 duplex seamless tube from our factory. For price consultation, contact us.
GNEE is a well-known manufacturer, exporter, distributor, stocker, and supplier of stainless steel duplex tubes. Our products meet national and international raw material quality standards.
The ASTM A789 UNS S31803 Seamless Duplex Stainless Steel Tube we supply has a microstructure of approximately 50% ferrite and 50% austenite, making it ideal for use in food processing, oilfield pipelines and heat exchangers, and flue gas desulfurization industries. While A789 stainless steel tubes maintain good performance at high temperatures, use above 600°F (315°C) is not recommended. Above 600°F (315°C), duplex 2205 stainless steel tubes may become brittle and corrode.
Furthermore, the ASTM A789 UNS S31803 alloy is a cost-effective solution for many applications, especially where 300 series stainless steels are prone to chloride stress corrosion cracking. My ASTM A789 specification meets the approval requirements for duplex steel pipes of nominal wall thickness class and is suitable for applications requiring resistance to general corrosion.
If you want to know more details and prices of the products, please contact us in time! Email: info@gneestainless.com
Duplex Steel S32205 Seamless Pipe Specification
| Type | Seamless Tubing |
|---|---|
| Specification | ASTM A789, ASME SA789 |
| Grades | UNS S31803, S32750, S32760 |
| Outside Diameter | 6 – 610 mm |
| Wall Thickness | 0.5 – 30 mm, Average Wall Or Minimum Wall |
| Length | Specific or Rando, standard 6000 mm length |
| Condition | Annealing Pickling, Beight Annealing |
| Form: | Round, Coiled Tubing |
| Application | Heat Exchanger, Boiler, Water, High Pressure, Ornamental Purpose |
| Manufacturing Method | Cold Rolling, Cold Drawn |
S31803 / S32205 Duplex Pipes Chemical Composition
| S31803 / S32205 | C | N | P | Si | Mn | Mo | Fe | Cr | S | Ni |
| 1.0 | 0.03 | 0.02 | 2.0 | 3.0 – 3.5 | 22.0 – 23.0 | 0.03 | 4.5 – 6.5 | 0.14 – 0.2 | Bal |
Duplex Steel S31803 / S32205 Pipe Mechanical Properties
| S31803 / S32205 | Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
Equivalent Grades for S31803 / S32205 Duplex Stainless Steel Pipe
| STANDARD | UNS | WERKSTOFF NR. |
| Duplex S31803 | S31803 | 1.4462 |
| Duplex S32205 | S32205 | 1.4462 |
Application:
1. Oil and gas industry
2. Chemical processing
3. Desalination plants
4. Heat exchangers
5. Pulp and paper industry
6. Power generation
7. Food processing industry
If you have a project need for UNS S31803 stainless steel bright annealed tubing, we welcome your order. GNEE has a large inventory of popular products for you to choose from. We offer a variety of practical product forms, including seamless and welded. For detailed chemical composition and free samples, please contact our factory today. We offer competitive pricing and excellent service.
Product Testing
Flange and flare testing, reverse flattening testing, roughness testing, hydrostatic/pneumatic testing, eddy current testing (NDT), surface finish verification, dimensional inspection, material certification
ASTM A789 S32205 Duplex Stainless Steel Pipe supplier
Packaging
Protection: 1.Inter paper available 2.PVC protecting film available
Export Packing: Waterproof paper, and steel strip packed. Standard Export,Seaworthy Package.Suit for all kinds of transport,or as required.
Customer visit and sign the order
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