Steel Gems Card › Application Finder › Materials for Seawater and Chloride Piping APPLICATION & MATERIAL GUIDE Materials for Seawater and Chloride Piping Chloride concentration, temperature, flow, oxygen, crevices and fabrication quality control pitting and stress-corrosion risk. 316L may suit limited conditions; duplex and super-duplex families are considered for more severe exposure.
YOUR QUESTION Which material is suitable for seawater or chloride service? OPTION 1 Stainless Steel 316L
Grade TP316L · WP316L · F316L
Reference standard ASTM A312 / A403 / A182 Offers improved pitting resistance over 304L, subject to chloride and temperature limits.
View Steel Gems product → OPTION 2 Duplex 2205
Grade UNS S31803 / S32205
Reference standard ASTM A790 / A815 / A182 Higher strength and improved chloride stress-corrosion resistance.
View Steel Gems product → OPTION 3 Super Duplex 2507
Grade UNS S32750 / F53
Reference standard ASTM A790 / A815 / A182 Used for severe chloride, desalination and offshore conditions after engineering review.
View Steel Gems product → INFORMATION REQUIRED Confirm before selection Chloride level and temperature Velocity, crevices and stagnant zones PREN and corrosion-test requirements Welding, ferrite and surface condition Engineering caution No alloy is universally seawater-proof. Confirm the complete environment, cleaning chemicals and design life with a corrosion specialist.
SUPPLIED BY STEEL GEMS · MUMBAI Send your complete requirement Share the service, design conditions, size, quantity, standard, inspection and delivery location for a technically reviewed quotation.
Technical guidance only; not a substitute for engineering design or purchaser approval. QUALITY YOU CAN TRUST Steel Gems Manufacturer & supplier of ferrous and non-ferrous industrial materials. Mumbai, India · Domestic & export enquiries.
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