Looking for top-quality pipes that meet your requirements? Look no further than ASTM A790 UNS S32750 Pipe. It is a high-performance duplex steel pipe that offers excellent resistance to corrosion, erosion, and fatigue. Also known as SA 790 UNS S32750, this pipe is designed to withstand high temperatures and pressure in harsh environments.
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ASTM A790 UNS S32750 is a type of super duplex stainless steel known for its exceptional qualities. It is composed of 25% chromium, 4% molybdenum, and 7% nickel, making it highly resistant to corrosion. This material is commonly used in the manufacturing of seamless and welded pipes for duplex stainless alloy applications.
One of the key features of SA 790 UNS S32750 is its excellent resistance to stress corrosion cracking (SCC). It also exhibits remarkable resistance to chloride stress corrosion cracking, making it suitable for environments where chloride ions are present. Furthermore, this stainless steel has high thermal conductivity and a low coefficient of thermal expansion.
Compliant with the ASTM A790 standard, ASTM A790 UNS S32750 pipe is well-suited for various demanding applications. It is particularly suitable for use in high-temperature, high-pressure, and corrosive environments, such as those found in the chemical, oil, and gas industries.
In summary, ASTM A790 UNS S32750 is a highly reliable and durable super duplex stainless steel pipe that offers superior resistance to corrosion, stress corrosion cracking, and excellent thermal properties. Its compliance with the ASTM A790 standard ensures its suitability for a wide range of applications in challenging industrial settings.
- High strengthUNS S32750 is known for its remarkable tensile strength and outstanding mechanical properties.
- Corrosion resistance，，、、。
- Duplex structureUNS S32750 is a type of duplex stainless steel that offers the benefits of both austenite and ferrite phases. This unique combination not only provides excellent strength but also offers impressive toughness.
Super Duplex S32750 Steel Pipe Specifications
| Specification | ASTM A790 and ASME SA790 |
| Standard | ASTM, AISI, EN, GB, DIN, JIS, ASME |
| Seamless Pipe OD | 6.00MM250MM，12。，。，。，。 |
| Welded Pipe size | 5.0 MM To 1219.2 MM |
| Thickness | 0.3 To 50 MM |
| Schedule | 5, 10, 40, 80, 80S, 160, XXS, XS |
| Pipe Finish | There are a few different finishes available for stainless steel surfaces. These include Polished, 2B, Annealed and Pickled, BA, HL, 8K, and Mirror finish. Each finish has its own unique look and level of reflectivity. Whether you're looking for a high shine or a more muted surface, there is a finish that will meet your needs. It's important to choose the right finish for your application to ensure that the surface looks and performs to your expectations. |
| Form | There are different types of pipes that are commonly used in various industries. These pipes come in various shapes, sizes, and materials to meet specific requirements. Some common types of pipes include round, square, hollow, hydraulic, coiled, and straight pipes. Round pipes are cylindrical in shape and are frequently used in applications that require the transportation of fluids, gases, or solids. Square pipes, on the other hand, have a square cross-section and are often used in construction and manufacturing applications. Hollow pipes are another type of pipe that are frequently used in a variety of applications. These pipes are often used in the transportation of liquids and gases, as well as in structural applications. Hydraulic pipes are designed to withstand high pressure and are often used in hydraulic systems. They are commonly used in applications such as power steering, hydraulic brakes, and hydraulic lifts. Coiled pipes are made in a spiral shape and are often used in applications where flexibility is required. They are commonly used in areas where space is limited or where pipes need to be bent or shaped around other equipment. Straight pipes, as the name suggests, are straight in shape and are often used in long-distance transportation applications. They are frequently used for the transportation of oil, gas, and water from one location to another. In conclusion, the choice of pipe depends on the specific application it will be used for. The type, shape, and size of the pipe will play a critical role in ensuring that the pipe can meet the needs of the application. |
| Length | ，，。，。 |
| Equivalent Materials | X2CrNiMoN25-7-4, 1.4410, SAF2507, F53 |
The chemical composition of ASME SA790 UNS S32750 Pipe is crucial in determining its properties and performance. It is essential to understand the composition to assess its suitability for specific applications. The precise arrangement of elements within the pipe influences its mechanical, corrosion resistance, and thermal properties.
ASME SA790 UNS S32750 Pipe has a well-defined chemical composition that conforms to specific industry standards. The composition primarily consists of a combination of elements such as iron (Fe), chromium (Cr), nickel (Ni), molybdenum (Mo), and nitrogen (N). These elements are carefully balanced to provide the desired characteristics of the pipe.
Iron, being the primary component, provides structural strength and stability to the pipe. Chromium contributes to the pipe's corrosion resistance, preventing it from degradation due to exposure to corrosive environments. Nickel enhances the overall strength and toughness of the pipe, making it suitable for high-pressure and high-temperature applications.
Molybdenum is an essential element that imparts excellent resistance to pitting, crevice corrosion, and general corrosion. Its presence significantly enhances the pipe's performance in harsh environments, such as those containing chloride ions.
Nitrogen plays a vital role in improving the pipe's strength, corrosion resistance, and weldability. It forms stable nitrides with other alloying elements, which contribute to the pipe's overall performance. Nitrogen also helps to maintain the pipe's austenitic structure, even at elevated temperatures.
The precise percentages of each element in the composition may vary depending on the specific specification or grade of ASME SA790 UNS S32750 Pipe. However, the overall balance of these elements ensures the pipe's exceptional properties, including high strength, excellent corrosion resistance, and superior durability.
In summary, understanding the chemical composition of ASME SA790 UNS S32750 Pipe is crucial for evaluating its suitability for various applications. The careful arrangement of iron, chromium, nickel, molybdenum, and nitrogen provides the pipe with its desired characteristics, making it an excellent choice for demanding environments.
| C % | Si % | Mn % | P % | S % | Cr % | Ni % | Mo % | N % | Cu % |
| 0.03 max | 0.8 max | 1.2 max | 0.035 max | 0.02 max | 24.0-26.0 | 6.0-8.0 | 3.0-5.0 | 0.24-0.32 | 0.50 max |
ASTM A790 UNS S32750 Pipe Schedule Chart
| 1/8" IPS(.405" O.D.) | 3 1/2" IPS( 4.000" O.D.) |
|---|---|
| Duplex Pipe, SCH 40, 80 | Duplex Pipe, SCH 10, 40, 80, 160, XXH |
| 1/4" IPS(.540" O.D.) | 4" IPS(4.500" O.D.) |
| Duplex Pipe, SCH 10, 40, 80 | Duplex Pipe, SCH 10, 40, 80, 160, XXH |
| 3/8" IPS(.675" O.D.) | 5" IPS( 5.563" O.D.) |
| Duplex Pipe, SCH 10, 40, 80 | Duplex Pipe, SCH 10, 40, 80, 160, XXH |
| 1/2" IPS(.840" O.D.) | 6" IPS(6.625" O.D.) |
| Duplex Pipe, SCH 5, 10, 40, 80, 160, XXH | Duplex Pipe, SCH 5, 10, 40, 80, 120, 160, XXH |
| 3/4" IPS(1.050" O.D.) | 8 ” IPS(8.625" O.D.) |
| Duplex Pipe, SCH 10, 40, 80, 160, XXH | Duplex Pipe, SCH 5, 10, 40, 80, 120, 160, XXH |
| 1" IPS:(1.315′ O.D.) | 10" IPS(10.750" O.D.) |
| Duplex Pipe, SCH 5, 10, 40, 80, 160, XXH | Duplex Pipe, SCH 10, 20, 40, 80 (.500), TRUE 80(.500) |
| 1-1/4" IPS(1.660" O.D.) | 12" IPS(12.750" O.D.) |
| Duplex Pipe, SCH 10, 40, 80, 160, XXH | Duplex Pipe, SCH 10, 20, 40(.375), TRUE40(.406), SCH80(.500) |
| 1-1/2" IPS(1.900" O.D.) | 14" IPS(14.000" O.D.) |
| Duplex Pipes, SCH 10, 40, 80, 160, XXH | Duplex Pipe, SCH10 (.188), SCH40 (.375) |
| 2" IPS(2.375" O.D.) | 16" IPS(16.000" O.D.) |
| Duplex Pipe, SCH 10, 40, 80, 160, XXH | Duplex Pipe, SCH10(.188), SCH40(.375) |
| 2 1/2" IPS(2.875" O.D.) | 18" IPS (18.000" O.D.) |
| Duplex Pipe, SCH 10, 40, 80, 160, XXH | Duplex Pipe, SCH-40 (.375) |
| 3" IPS( 3.500" O.D.) | - |
| Duplex Pipe, SCH 5, 10, 40, 80, 160, XXH | - |
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ASTM A790 UNS S32750 pipe shall be manufactured by the seamless or automatic welding process, including ASTM A790 UNS S32750 seamless pipe, and ASTM A790 UNS S32750 welded pipe. No filler metal is added during the welding operation. Thermal analysis should be performed to determine the percentages of the specified elements. Tensile test, hardening test, flattening test, hydrostatic test, and non-destructive electrical test shall be carried out according to ASTM A790 standards.
ASTM A790 Standard Required Mechanical Tests
- Transverse or Longitudinal Tensile Test—For batches of not more than 100 tubes, one tensile test shall be made on the specimen. For batches exceeding 100 tubes, the tensile test shall be performed on a sample of 2 tubes.
- Flattening Test—For tubes heat-treated in a batch furnace, a flattening test shall be performed on 5 % of the tubes in each heat-treated lot. For tubes heat-treated in a continuous process, or quenched directly after hot forming, the test shall be made on a sufficient number of tubes, 5 % of the batch, but in no case less than two tubes.
- Hardness Testing—Brinell or Rockwell hardness testing shall be performed on two pipes from each lot.
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