Premier SA789 S31803 Duplex Stainless Tube Supplier in China
Engineered to meet global industry standards, our SA789 S31803 Duplex Stainless Tube offers exceptional strength and corrosion resistance. Compliant with ASTM A789 standards, this tube excels in harsh environments, making it ideal for boilers, heat exchangers, and applications in oil and gas, chemical processing, and marine industries for both onshore and offshore installations.
SA789 S31803 Duplex Stainless Tube - Detailed Specifications
This datasheet details the key specifications of SA789 S31803 Duplex Stainless Tube, offering robust solutions for heat exchangers, boilers, and piping systems. With excellent corrosion resistance and high strength, this tube ensures superior durability and performance across various industrial applications.
| Attribute | Details |
|---|---|
| Characteristics | High strength, excellent corrosion resistance, good resistance to stress corrosion cracking, balanced austenitic-ferritic microstructure (40-50% ferrite). |
| Surface Treatment | Pickling passivation with corrosion polishing, ensuring a smooth, protective finish. |
| Dimensions and Specifications | OD 6-530mm; Wall Thickness: 0.5-30mm; Max Length: 25 meters (seamless or welded). |
| Corrosion Resistance | Superior resistance to pitting, crevice corrosion, and chloride stress corrosion cracking (SCC); CPT around 35¡ãC; excellent in marine and chemical environments. |
| Mechanical Properties | Tensile Strength: 90,000-120,000 PSI; Yield Strength: 65,000 PSI; Hardness: 290 HB (Brinell). |
| Processability | Good weldability (using duplex electrodes), fair machinability; solution annealing at 1100¡ãC with rapid cooling; hot forming at 1000-1230¡ãC. |
| Applications | Boilers, heat exchangers, oil and gas (offshore platforms, pipelines), chemical processing, marine environments, pulp & paper, desalination plants. |
| Standards | ASTM A789, ASME SA789, EN 10216-5, NACE MR0175, GB, DIN. |
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Discover the adaptability and functionality of our SA789 S31803 Duplex Stainless Tube. This equipment serves an array of industries like oil and gas, chemical processing, and marine applications, while still adhering to and exceeding necessary benchmarks and enduring severe obstacles.
