The 2507 Duplex Stainless Steel is widely known for its exceptional properties and is a popular choice in various industries. With its high mechanical strength, corrosion resistance, and outstanding durability, it has become a go-to material for many applications.
Also recognized as S32750 Super Duplex Stainless Steel Tube, this alloy offers superior performance in highly corrosive environments, making it ideal for offshore and marine applications. Its composition includes a mix of chromium, molybdenum, and nitrogen, which enhances its resistance to pitting, crevice corrosion, and general corrosion.
The ASME SA 789 UNS S32750 and ASTM A789 S32750 specifications ensure the quality and reliability of this super duplex steel. Its exceptional weldability further adds to its versatility, allowing for efficient fabrication and easy installation.
The 1.4410 Super Duplex, also known as F53 Duplex Stainless Steel, has gained popularity for its excellent chemical and mechanical properties. This super duplex alloy exhibits high tensile strength, exceptional resistance to stress corrosion cracking, and excellent toughness, making it suitable for demanding applications in harsh environments.
When it comes to pricing, Super Duplex 2507 is considered a premium grade stainless steel due to its superior properties. However, the long-term benefits and durability it offers justify the investment for many industries.
In conclusion, the 2507 Duplex Stainless Steel, also referred to as S32750 Super Duplex Stainless Steel Tube, is a highly reliable and durable material with excellent corrosion resistance and mechanical strength. Its widespread use in various industries reflects its exceptional properties and the trust it has gained over the years.
S32750 is a duplex stainless steel renowned for its exceptional resistance to corrosion and strength. This type of stainless steel features a two-phase microstructure containing an austenite phase and a ferrite phase. When it comes to S32750 super duplex stainless steel tube, it is basically a tube that is made from S32750 duplex stainless steel.
Applications that require high strength and excellent resistance to corrosion are perfect for 2507 duplex stainless steel, and this explains why it is used frequently in various industries such as oil and gas, chemical processing, and marine environments.
- The ASTM A789 is a standard specification that outlines the requirements for seamless and welded ferritic/austenitic stainless steel tubing used for general service. This specification ensures that the tubing meets specific criteria to ensure its quality and suitability for various applications. The ferritic/austenitic stainless steel composition is chosen for its corrosion resistance and mechanical properties. By adhering to the specifications outlined in ASTM A789, manufacturers can produce tubing that meets the industry standards and requirements for a wide range of general service applications.
- The ASTM A790 is a well-known standard specification used for both seamless and welded ferritic/austenitic stainless steel pipe. This particular standard outlines the requirements for these types of pipes and ensures they meet specific criteria to perform their intended functions successfully.
By using this standard specification, manufacturers can ensure that their pipes meet certain material requirements such as chemical composition and mechanical properties. This information is vital in ensuring the pipes have the strength and durability needed to withstand the conditions they will be exposed to.
Overall, the ASTM A790 is a crucial standard for those in the stainless steel pipe manufacturing industry. It provides the necessary guidelines to produce high-quality pipes that will meet the demands of their intended applications.
- The ASTM A928 standard specifies the requirements for ferritic/austenitic (duplex) stainless steel pipes that are electric fusion welded with the addition of filler metal. This standard ensures that the pipes meet the necessary quality and performance criteria.
Ferritic/austenitic stainless steel, also known as duplex stainless steel, possesses a unique microstructure that combines the properties of both ferritic and austenitic stainless steels. This makes it highly resistant to corrosion, as well as offering good mechanical strength and toughness.
The electric fusion welding process used to manufacture these pipes involves the formation of a molten weld pool by the heat generated from an electric arc. Filler metal is then added to join the sections of the pipe. This welding method ensures a strong and reliable bond between the pipe segments, resulting in a durable and efficient product.
The ASTM A928 standard provides guidelines for the chemical composition, mechanical properties, dimensions, and testing procedures of these duplex stainless steel pipes. It covers various grades of duplex stainless steel, offering a wide range of options for different applications.
By following the specifications outlined in this standard, manufacturers can produce high-quality duplex stainless steel pipes that meet the requirements of various industries, such as oil and gas, chemical processing, and marine applications.
Overall, the ASTM A928 standard plays a crucial role in ensuring the reliability and performance of ferritic/austenitic stainless steel pipes. Its guidelines help to maintain consistency and quality in the manufacturing process, ultimately benefiting end-users who rely on these pipes for their critical operations.
ASTM A789 S32750 Tubing Specifications
| Tube Range | 1 / 2" NB - 8" NB |
| Outer Diameter | 6.00 mm OD up to 250 mm OD, Sizes up to 12” NB |
| Wall Thickness | 0.3mm – 50 mm |
| Schedules | There are several categories of pipes used in the industry, such as SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, and XXS. These pipes are classified based on their thickness and they serve different purposes in various applications. It's important to select the appropriate pipe according to the needs of your project to ensure the optimal performance of your system. The thickness of the pipe is crucial as it determines the pipe's ability to withstand pressure and other factors that may affect its durability. Therefore, it's essential to understand the differences between these categories to make the best possible choice for your project. |
| Length | Single Random, Double Random & Required Length |
| Specifications | ASTM A789 / ASME SA789, ASTM A789 / ASME SA A789 |
| Types | Welded / EFW / Fabricated |
Super Duplex 2507 Corrosion Resistant
Super duplex stainless steel S32750 is an exceptional material that offers a unique combination of both austenitic and ferritic microstructures. With a composition ratio of 50/50, this steel grade provides higher strength compared to other typical ferritic and austenitic steel grades. The main factor that sets it apart from regular duplex stainless steels is its higher content of molybdenum and chromium, which allows for superior resistance to corrosion. Thanks to its exceptional capacity to resist pitting and crevice corrosion, this material is both highly tough and ductile.
Another advantage of using super duplex stainless steel S32750 is its ability to resist chloride-induced stress corrosion cracking. This feature makes it an ideal choice for use in environments where chloride is present in high quantities. For instance, it is frequently used in offshore oil rigs, chemical processing plants, and in desalination plants where seawater is utilized. When it comes to performance and durability, super duplex stainless steel S32750 is beyond compare and is a top choice amongst industry professionals.
ASME SA 789 UNS S32750 Welding Performance
S32750 duplex stainless steel tubing is easy to weld and fabricate, making it a cost-effective solution for a variety of industrial applications. S32750 duplex stainless steel tubing is relatively easy to weld compared to other types of stainless steel. This is because it has a slightly lower carbon content than other stainless steel, reducing the risk of cracking during welding. In addition, the microstructure of f53 duplex stainless steel is very suitable for welding because of its uniform grain structure and good thermal conductivity.
UNS S32750 Tube, Chemical Composition
| Grade | C≤ | Mn≤ | P≤ | S≤ | Si≤ | Ni | Cr | Mo | N | Cu |
| S32750 | 0.03 | 1.20 | 0.035 | 0.02 | 0.80 | 6.0-8.0 | 22.0–23.1 | 3.0-5.0 | 0.24-0.32 | 0.5 |
2507 Duplex Stainless Steel Tubing Mechanical Properties
| Mechanical properties | Tensile, min, ksi[MPa] | Yield, min, ksi[MPa] | Elongation, %(min) | Hardness, HB（max） |
| S32750 | 116 [800] | 80 [550] | 15 | 300 |
Various Types of 2507 Super Duplex Stainless Steel
S32750 super duplex stainless steel tube is available in various types, these steels are available in different sizes, grades, thicknesses, and specifications, including super duplex stainless steel round tube, square, rectangular, and oval, which can be customized to meet specific requirements of customers. The tube can withstand high temperatures and pressures, making it suitable for applications requiring high strength and durability. Some of the industries that use this steel are chemicals, refineries, power plants, petrochemicals, construction, nuclear power, etc.
2507 Duplex Stainless Steel Added Facilities
| We cut UNS S32750 Super Duplex welded tubing to your exact dimension |
| 2507 Super Duplex Tubing can be polished per customer specification |
| Beveling UNS S32750 Super Duplex 2507 tubes |
| Heat treating & annealing |
| Honing/ turning process for Super Duplex 2507 Tube |
| Additional positive material identification (PMI) testing if required |
| Ultrasonic Testing (UT) |
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