ASTM A312 UNS S31254 SUS312L Super Duplex Stainless Steel Pipes For Offshore
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About
A312 UNS S31254 is a specification for seamless, welded, and heavily cold worked austenitic stainless steel pipes. It is commonly known as 6% Moly or 254 SMO (Super Austenitic Stainless Steel). This alloy offers excellent resistance to pitting, crevice corrosion, and general corrosion in various aggressive environments, including chloride-containing media. A312 UNS S31254 pipes are widely used in industries such as chemical processing, oil and gas, pulp and paper, and desalination plants, where corrosion resistance is of utmost importance. These pipes are available in different sizes and schedules to meet specific project requirements.
Chemical Composition %
| C | Cr | Cu | Mn | Mo | N | Ni | P | Si | S |
| Max | | | Max | | | | Max | Max | Max |
| 0.02 | 19.5-20.5 | 0.5-1.0 | 1.0 | 6.0-6.5 | 0.18-0.22 | 17.5-18.5 | 0.03 | 0.80 | 1.01 |
Feature of A312 S31254 Seamless Pipe
1. Corrosion Resistance: A312 UNS S31254 seamless pipes exhibit exceptional resistance to corrosion in various aggressive environments, including chloride-containing media. This makes them suitable for use in industries such as chemical processing, oil and gas, pulp and paper, and desalination plants.
2. High Strength: These seamless pipes offer high strength and toughness, allowing them to withstand demanding operating conditions.
3. Excellent Weldability: A312 UNS S31254 seamless pipes have excellent weldability, enabling easy and efficient joining with other components or pipes.
4. Superior Crevice and Pitting Corrosion Resistance: The alloy composition of A312 UNS S31254 provides enhanced resistance to crevice and pitting corrosion, making it suitable for applications where these types of corrosion are a concern.
5. Wide Range of Sizes: A312 UNS S31254 seamless pipes are available in a wide range of sizes, allowing for flexibility in design and installation.
6. Compliance with Standards: These seamless pipes conform to the specifications outlined in ASTM A312, ensuring quality and consistency in their manufacturing.
Aplication
- Seawater handling equipment; heat exchanger, cooling water pipes
- Pulp mill bleach systems; drums, vats and press rolls.
- Tall oil distillation columns and equipment
- Chemical processing equipment
- Food processing equipment
- Desalination equipment
- Flue gas desulphurization scrubbers
- Oil and gas production equipment
- Tanks and pipelines for various chemicals with high halide levels
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ASTM A312 UNS S31254 SUS312L Super Duplex Stainless Steel Pipes For Offshore Images
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