SUPER DUPLEX STEEL FITTING A815 S32750 CONCENTRIC REDUCER BUTT WELD
SUPER DUPLEX STEEL FITTING A815 S32750 CONCENTRIC REDUCER BUTT WELD
Overview
S32750 butt weld fittings are stainless steel fittings made from the grade S32750, which is a super duplex stainless steel alloy. These fittings are commonly used in high-pressure and high-corrosion environments, such as in the oil and gas industry, chemical processing plants, and offshore drilling platforms. S32750 butt weld fittings are known for their excellent strength, corrosion resistance, and durability. They are designed to be welded directly onto the pipe end, providing a strong and leak-proof connection. These fittings are available in various sizes, shapes, and configurations to suit different piping applications. Overall, S32750 butt weld fittings are a reliable and cost-effective solution for demanding industrial applications that require high-performance and long-lasting piping systems.
A duplex steel concentric reducer is a type of pipe fitting that is used to connect two pipes of different diameters in a straight line. It features a tapered design that allows for a smooth flow of fluids and minimizes pressure loss. Duplex steel is a type of stainless steel that contains high levels of chromium and molybdenum, making it extremely resistant to corrosion and suitable for use in demanding industrial applications. The concentric reducer is manufactured using duplex steel for added durability and longevity in corrosive environments.
Advantages of Duplex Steel:
Duplex steel offers several advantages over conventional stainless steel and other materials, making it a popular choice for demanding industrial applications. Some of the key advantages of duplex steel include:
- Corrosion resistance: Duplex steel offers excellent resistance to corrosion, oxidation, and erosion, making it ideal for use in harsh and corrosive environments, such as those found in the oil and gas, chemical processing, and marine industries.
- High strength: Duplex steel has a higher strength than standard austenitic stainless steels, making it more resistant to fatigue, stress corrosion cracking, and high temperatures. This strength allows for the use of thinner material in applications, reducing weight and cost.
- Good weldability: Duplex steel is easily weldable, allowing for the fabrication of complex structures and components without compromising the strength or corrosion resistance of the material.
- Cost-effective: Despite its higher initial cost compared to conventional stainless steels, duplex steel offers long-term cost savings due to its superior corrosion resistance, durability, and low maintenance requirements.
- Good mechanical properties: Duplex steel exhibits good mechanical properties, including high tensile and yield strength, as well as excellent toughness and ductility, making it suitable for a wide range of applications.
- Wide range of applications: Duplex steel is versatile and can be used in various industries, such as oil and gas, chemical processing, marine, power generation, and food processing, where high corrosion resistance and strength are required.
Overall, the combination of corrosion resistance, high strength, weldability, and cost-effectiveness make duplex steel a popular choice for challenging industrial applications.
Specification
| Specifications | ASTM A815 / ASME SA815 |
| Size | Seamless Butt Weld Fittings: 1/2″ – 24″, Welded Butt Weld Fittings: 1/2″ – 48″ |
| Standards | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43 |
| Thickness | 5s, 10s, 40s, 80s, 10, 20, 40, STD, 60, 80, XS, 100, 120, 140, 160, XXS available with NACE MR 01-75 |
| Type | Seamless / Welded / Fabricated |
Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| S32750 | 0.030 max | 1.20 max | 0.80 max | 0.035 max | 0.020 max | 24.00 – 26.00 | 3.00 – 5.00 | 6.00 – 8.00 | 0.24 – 0.32 | 58.095 min |
Mechanical Properties
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S32750 | 7.8 | 0.281 | 1350 | 2460 |
Applications
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Oil and gas industry: Duplex steel concentric reducers are used in oil refineries, natural gas processing plants, and offshore oil and gas platforms where they are exposed to harsh environmental conditions and corrosive fluids.
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Chemical processing: These reducers are used in chemical plants for transferring corrosive chemicals and acids between different processing units.
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Power generation: Duplex steel concentric reducers are used in power plants for transferring steam, water, and other fluids at high temperatures and pressures.
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Water treatment: They are used in water treatment facilities for transferring and regulating the flow of water and other liquid substances.
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Food and beverage industry: Duplex steel concentric reducers are used in food processing facilities where hygiene and corrosion resistance are critical.
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