SA789 S32205 Tube is a type of duplex stainless steel tube that falls under ASTM A789 specifications. It is known for its exceptional corrosion resistance and high strength. The material composition of S32205 Duplex Stainless Steel makes it suitable for various applications.
The SA789 UNS S32205 tube is widely used in industries such as chemical processing, oil and gas, offshore, and desalination. Its superior resistance to corrosion makes it an ideal choice for environments where chloride-induced stress corrosion cracking is a concern.
The SAF 2205 Duplex Seamless Tubes are manufactured using advanced production techniques to ensure high-quality and consistent performance. These tubes offer excellent weldability and formability, making them easy to fabricate and install in different systems.
The S32205 Duplex Stainless Steel possesses a balanced microstructure consisting of an equal amount of ferrite and austenite phases, which contributes to its exceptional mechanical properties. This duplex stainless steel material exhibits high tensile strength, excellent yield strength, and good impact toughness.
The ASTM A789 UNS S32205 Duplex Stainless Steel Tube offers excellent resistance to pitting and crevice corrosion, making it suitable for use in environments containing chlorides, acids, and other corrosive substances. Additionally, it has good thermal conductivity and low thermal expansion, making it suitable for heat exchanger applications.
Overall, the SA789 S32205 Tube is a reliable and versatile choice for various applications that require high strength, corrosion resistance, and durability. Its unique duplex structure and excellent properties make it a preferred choice in many industries.
The manufacturing of duplex stainless steel seamless and welded tubing is covered by ASTM A789, which is the material standard that outlines the specifications for this process. The UNS S32205 material, which is characterized by its exceptional resistance to corrosion and strength, is utilized for this purpose. The manufacturing and usage of duplex stainless steel UNS S32205 tube are covered under this standard. The term "duplex" refers to the fact that UNS S32205 tube is composed of two distinct phases -- ferrite and austenite. ASME SA 789 UNS S32205 possesses excellent resistance to oxidation and corrosion, enabling it to withstand intense chemical and physical stress.
- ASTM A789 sets the standard for both seamless and welded ferritic/austenitic stainless steel tubing used in various applications. This specification focuses on providing stainless steel tubing with high resistance to general corrosion and, more importantly, stress corrosion cracking. It ensures that the tubing is suitable for services that require durability and reliability in challenging environments.
- The manufacturing of ASTM A789 stainless steel tube involves either seamless or welded processes without the use of filler metal.
- The stainless steel tube grades covered by ASTM A789 include S31803, S32205, S32750, S32760, S32550, S31200, S31260, S32001, S32304, S32900, S32950, S39277, and S39274. These grades are commonly used in a wide range of applications due to their excellent corrosion resistance and high strength properties.
S31803 and S32205 are duplex stainless steels known for their superior resistance to corrosion and cracking. They are often used in environments with high levels of chloride and sulfide ions.
S32750 and S32760 are super duplex stainless steels that offer even higher resistance to corrosion and increased strength. These grades are commonly used in offshore and marine environments.
S32550 is a high-silicon duplex stainless steel, which combines excellent corrosion resistance with superior mechanical properties. It is suitable for use in aggressive environments.
S31200 is a highly alloyed stainless steel that offers excellent resistance to corrosion and pitting. It is often used in chemical processing and oil and gas industries.
S31260 is a lean duplex stainless steel, which provides good corrosion resistance and high strength. It is commonly used in applications where weight savings are important.
S32001 is a duplex stainless steel with enhanced resistance to corrosion and high strength. It finds applications in a variety of industries including chemical processing, desalination, and offshore oil and gas.
S32304 is a duplex stainless steel with low nickel content, making it cost-effective. It offers good resistance to localized corrosion and is suitable for use in a wide range of applications.
S32900 and S32950 are martensitic stainless steels that possess good corrosion resistance and high strength. These grades are often used in applications requiring high mechanical properties.
S39277 and S39274 are lean duplex stainless steels known for their excellent resistance to stress corrosion cracking. They are commonly used in industries such as chemical processing and pulp and paper.
In summary, ASTM A789 covers a wide range of stainless steel tube grades, each with its own unique properties and applications. These grades are highly versatile and offer excellent corrosion resistance, strength, and durability in various environments.
2205 Duplex Stainless Steel Tubing Specifications
| Specification | ASTM A789, ASME SA789 |
| Type | There are several types of pipes and tubing used for various applications. These include seamless, welded, ERW, EFW, cold draw, hot finish, and cold finish pipes. Seamless and welded pipes are commonly used in the oil and gas industry, while ERW and EFW pipes are used in the construction industry. Cold draw and hot finish pipes are preferred for their accuracy and smooth surface finish, while cold finish pipes are known for their strength and durability. It's important to select the right type of pipe or tubing based on its intended use to ensure optimal performance and longevity. |
| Size | Seamless - 1/2" NB TO 18" NB |
| Welded / ERW- 1" NB TO 16" NB | |
| EFW - 8" NB TO 110" NB | |
| Wall Thickness | We offer a range of schedules for pipe thickness, ranging from Schedule 10 to Schedule 160. These schedules cover a range of thicknesses, from 3 mm to 100 mm. Whether you require pipes with a thinner or thicker wall, we have the options to meet your needs. Our wide selection ensures that you can find the right schedule for your specific requirements. |
| Length | Our available lengths for steel pipes range from 0.1 meters all the way up to 12.5 meters. We offer both single random length and double random length options to accommodate various construction needs. If our standard sizes do not meet your specific requirements, we also offer customized sizes to ensure that you get the perfect length for your project. |
| Ends | Plain Ends / Beveled Ends |
| Delivery Conditions | Annealed, Rolled, Formed, Hardened, Stress Relieved, Cold Draw, Bright Annealed, Tempered. The process of metalworking involves various techniques to achieve the desired properties and shapes of the materials. One of the initial steps is annealing, which involves heating the metal and then gradually cooling it to relieve internal stress and increase its ductility. After annealing, the metal undergoes rolling, where it is passed through rollers to reduce its thickness and shape it into specific forms. This step is followed by stress relieving, which involves subjecting the metal to controlled heating and cooling cycles to minimize residual stress caused by prior processes. To further enhance the strength and hardness of the metal, it goes through hardening. This process involves heating the metal to a specific temperature and then rapidly quenching it, transforming its structure and making it stronger. Next is cold drawing, which involves pulling the metal through a die to reduce its diameter while increasing its length. This process improves the metal's surface finish and mechanical properties. To achieve precise dimensions and uniformity, the metal is then subjected to bright annealing. This involves heating the metal in a controlled environment to remove oxides and create a clean, bright surface. Finally, the metal is tempered, where it is heated to a specific temperature and then slowly cooled to reduce its brittleness and improve its toughness. Overall, these sequential processes, when performed correctly, result in metals with desired properties and shapes for various applications. |
| Added Services | There are several manufacturing techniques that are commonly used in the industry. These techniques include drawing, expansion, machining, sand blasting, shot blasting, and heat treatment. Drawing is the process of pulling material through a die to create a specific shape or size. This technique is commonly used to create wires or tubing. Expansion involves stretching a material to make it larger. This technique is commonly used to create metal plates or sheets. Machining involves cutting, drilling, or shaping material using various tools and machines. This technique can be used to create intricate designs or to make precise cuts. Sand blasting is a process that involves using compressed air to shoot small particles of sand at a surface in order to clean or roughen it. This technique is commonly used in the automotive and construction industries. Shot blasting is a similar process to sand blasting, but it involves using small metal pellets instead of sand. This technique is commonly used to remove rust or coatings from surfaces. Heat treatment involves heating a material to a specific temperature and then cooling it in order to change its properties. This technique can be used to make a material stronger, harder, or more resistant to corrosion. Overall, each of these manufacturing techniques plays an important role in the creation of various products and materials. By utilizing these techniques, manufacturers are able to create high-quality products that meet the needs of their customers. |
| Packaging | Wooden Pallet / Bundle / Wooden box-a / Plastic Cloth Wraps / Plastic End Caps / Beveled Protector / Loose. I'd like to talk about the different packaging options available for transporting goods safely. Firstly, we have wooden pallets, which are flat structures capable of supporting heavy loads. These pallets can be stacked and moved using forklifts, making them convenient for warehouse storage and transportation. Next, we have bundles, which are a collection of items secured together. This method is often used for long and slender objects such as pipes or rods. By bundling them together, it becomes easier to handle and prevents items from being misplaced during transit. Wooden boxes, specifically wooden box-a, offer a more enclosed and secure packaging solution. These boxes are often used for fragile or valuable items that require extra protection. The sturdy and durable nature of wooden boxes ensures the safety of the goods inside. To further protect goods, plastic cloth wraps can be used. These wraps are commonly used to cover items and provide an additional layer of dust and moisture resistance. The advantage of plastic cloth wraps is that they can conform to the shape of the goods, providing a snug fit. Plastic end caps are another option for protecting the ends of cylindrical or round objects. These caps provide cushioning and prevent any damage that might occur during handling or transportation. They are easy to fit and remove, making them convenient for repetitive use. Lastly, we have beveled protectors, which are angled pieces designed to support and protect the edges of goods. These protectors are particularly useful for items susceptible to impact damage, such as picture frames or mirrors. The beveled shape ensures that the force is distributed evenly, minimizing the risk of cracks or breakages. In conclusion, there are various packaging options available to ensure the safe transportation of goods. From wooden pallets to plastic end caps, each method serves a specific purpose in protecting the items being transported. It is essential to choose the appropriate packaging solution based on the nature of the goods and the level of protection required. |
UNS S32205 Tube, Chemical Composition
| Grade | C≤ | Mn≤ | P≤ | S≤ | Si≤ | Ni | Cr | Mo | N |
| S32205 | 0.03 | 2.00 | 0.03 | 0.02 | 1.00 | 4.5–6.5 | 22.0–23.0 | 3.0–3.5 | 0.14–0.20 |
2205 Duplex Stainless Steel Tubing Mechanical Properties
| Mechanical properties | Tensile, min, ksi[MPa] | Yield, min, ksi[MPa] | Elongation, %(min) | Hardness, HB（max） |
| S32205 | 95 [655] | 65 [450] | 25 | 290 |
ASTM A789 UNS S32205 Tube Features
The main feature of the ASTM A789 UNS S32205 tube is its excellent corrosion resistance and oxidation resistance. Due to its duplex structure, the UNS S32205 tube has high strength and high ductility, making it suitable for high-pressure, high-temperature, and low-temperature applications. Additionally, the UNS S32205 tube is also resistant to hydrogen embrittlement and stress corrosion cracking, making it an ideal tube material option. ASTM A789 UNS S32205 tube is available in seamless and welded forms in various sizes and specifications. ASME SA 789 UNS S32205 tubes can be used in a wide range of industries such as chemical processing, oil and gas, pulp and paper, desalination, etc.
Specific Application of ASME SA789 S32205 Duplex Tube
- Tanks, piping, pressure vessels and heat exchangers in the chemical processing industry
- Tubes and heat exchangers for handling oil and gas
- Pulp and paper industry bleaching plants, digesters and stock handling systems
- Containers for ships and trucks
- Sewage washing system
Fabrication of ASTM A789 UNS S32205 Tube
The manufacture of the UNS S32205 tube requires strict adherence to the specifications in the ASTM A789 standard. The manufacturing process begins with heat treatment of the material to adjust its composition and properties. The material is then heated to the proper temperature and fabricated into a UNS S32205 duplex tube by means of a seamless or welded tube. During the manufacturing process, special measures are taken to avoid the tube wall being too thick or too thin to ensure that the manufactured tube meets the strict requirements of the ASTM A789 standard.
ASTM A789 Reference Standard:
- A450 A450m Specification for General Requirements for Carbon Steel, Ferritic Alloy, and Austenitic Alloy Steel Tube.
- A480 A480m Specification for General Requirements for Flat-Rolled Stainless and Heat-Resistant Plate, Sheet, and Strip.
- A941 Terms Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys.
- E527 Metals and Alloys (UNS) Numbering Practices.
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