ASTM A815 UNS 32205 Buttweld Fittings
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ASTM A815 UNS S32205 is a specification established by the American Society for Testing and Materials (ASTM) for duplex stainless steel butt-weld fittings. Duplex stainless steels are a family of stainless steels that exhibit a combination of excellent corrosion resistance and high mechanical strength. UNS S32205 is a specific grade within the duplex stainless steel family, often referred to as Duplex 2205. Duplex 2205 (UNS S32205) is characterized by its two-phase microstructure, consisting of roughly equal proportions of austenite and ferrite phases. This unique structure contributes to its superior mechanical and corrosion-resistant properties, making it suitable for various demanding applications in industries such as oil and gas, chemical processing, marine, and more.
Specification:
| Standard | ASTM/ASME A815/SA815 |
|---|---|
| Size | ½" NB – 48" NB |
| Schedule | SCH 10 – SCH XXS |
| Type | Seamless / ERW / Welded / Fabricated |
Material & Grade :
| Duplex Steel: Grade: UNS F44, F45, F51, F53, F55, F60, F61 |
Chemical Composition
| 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 |
Mechanical Properties
| 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 % |
Some key features of ASTM A815 UNS S32205 duplex steel butt-weld fittings include:
Corrosion Resistance: Duplex 2205 offers excellent resistance to various forms of corrosion, including pitting, crevice corrosion, and stress corrosion cracking, making it suitable for use in corrosive environments.
High Strength: Duplex stainless steels, including UNS S32205, possess higher mechanical strength compared to conventional austenitic stainless steels, allowing for thinner wall thicknesses and reduced weight while maintaining structural integrity.
Good Weldability: Duplex 2205 exhibits good weldability when proper procedures are followed, ensuring that welded joints retain their corrosion-resistant properties.
Versatility: ASTM A815 UNS S32205 butt-weld fittings can be used in a wide range of applications, such as chemical processing equipment, heat exchangers, oil and gas exploration and production, and more.
Cost-Effectiveness: The combination of corrosion resistance, high strength, and durability offered by UNS S32205 duplex steel can lead to longer service life and reduced maintenance costs in certain applications.
Packaging&Shipping
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