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Which materials are used in desalination?
Quick answer
Super Duplex 2507 Stainless Steel for rO high-pressure piping; Duplex 2205 Stainless Steel for low-pressure and product-water piping; SS 254 SMO Stainless Steel for seawater intake and brine systems; Titanium Grade 2 for thermal-plant heat-exchanger tubes; Cupro-Nickel 90/10 for brine heaters and seawater lines.
What are the material challenges in desalination?
High-chloride brine corrosion
High-pressure RO piping
Crevice corrosion at flanges and joints
Erosion and biofouling
Materials we supply for this industry
| Material | Typical use | Grade family |
|---|---|---|
| Super Duplex 2507 Stainless Steel | RO high-pressure piping | Stainless Steel |
| Duplex 2205 Stainless Steel | Low-pressure and product-water piping | Stainless Steel |
| SS 254 SMO Stainless Steel | Seawater intake and brine systems | Stainless Steel |
| Titanium Grade 2 | Thermal-plant heat-exchanger tubes | Non-Ferrous Metals |
| Cupro-Nickel 90/10 | Brine heaters and seawater lines | Non-Ferrous Metals |
| SS 904L Stainless Steel | Pre-treatment and chemical dosing | Stainless Steel |
Popular products for desalination
Which standards apply?
Related applications
Desalination markets we supply
Procurement considerations
- Specify grade, specification and edition
- Define tests and certificates (EN 10204 3.1 / 3.2)
- Include third-party inspection and PMI where required
- Confirm marking, packing and destination documentation
We support desalination buyers with documentation and inspection and value-added services.
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Frequently asked questions
Why is super duplex used in RO desalination?
Its PREN above 40 resists seawater pitting and crevice corrosion, and its high strength suits high-pressure RO piping with thinner walls.
Which product forms do you supply for desalination?
Pipes, Tubes, Fittings, Flanges, Plates, in the grades listed above, from stock or mill-sourced with EN 10204 certificates.
Which standards apply to desalination materials?
Do you supply desalination projects outside India?
Yes, including United Arab Emirates, Saudi Arabia, Qatar, Oman, Kuwait, Australia.