Piping Materials
Duplex Stainless Steel S31803 Seamless Pipe
Duplex 2205 pipe combining high strength with excellent corrosion resistance. For offshore and chemical service.
Origin: Made in China
Lead Time: 15–30 days
Payment: T/T · L/C
CLASS CERTIFICATES — ISSUED TO THE MANUFACTURER:
CCS
BV
ABS
Supplied where the vessel's class requires it. The approval is held by the manufacturer and the certificate is passed to the buyer with the goods.
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Full Specifications
| Standard | ASTM A790 (UNS S31803/S32205) |
|---|---|
| Grade | Duplex 2205 |
| Size Range | DN15 – DN300 |
| Wall Thickness | SCH 10S / 40S / 80S |
| End Finish | Pickled / Annealed |
| Certificate | EN 10204 3.1 + PREN Report |
| Classification | ASTM / ASME / NACE |
| HS Code | 7304.49 |
Description
Hicool sources UNS S31803 duplex stainless steel seamless pipes combining high strength with excellent resistance to stress corrosion cracking (SCC) and pitting in chloride environments. Conforms to ASTM A789 (tubes) and ASTM A790 (pipes) with a dual austenitic-ferritic microstructure offering approximately twice the yield strength of standard austenitic grades. Ideal for offshore topside piping, desalination, and chemical processing. Supplied with NACE MR0175 compliance, EN 10204 3.1 certificates, and PREN verified ≥35.