On March 31, 2026, Gangyou Technology-a stainless steel manufacturer-successfully completed the production of a batch of large-diameter 254SMO (F44 / UNS S31254) NPS 32" SCH 40 seamless stainless steel pipes. The entire production process adhered strictly to the international standards of ASTM A312 / ASME SA312 and EN 10216.
This shipment is destined for a key industrial client in Mexico. The order has been custom-tailored to meet the application requirements for high corrosion resistance within Mexico's chemical, petrochemical, and seawater treatment sectors.
254SMO(UNS S31254 / F44 / 1.4547)
1. Composition Features: Contains 6% Mo + High Nitrogen + Copper; exhibits exceptional resistance to pitting and crevice corrosion.
2. Corrosion Resistance Rating: PREN ≥ 42, significantly superior to 316L.
3. Applicable Conditions: Seawater, chemical processing, desulfurization, high-salinity environments, and acidic media.
4. Standards: ASTM A312 / ASME SA312.
5. Applications: Heat exchangers, piping, flanges, pumps and valves, and seawater treatment equipment.




