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Duplex Stainless Steel Pipe S31254 ASME SA789 – High-Performance Pipe for Sea Water Desalination Applications
Introduction:
The S31254 duplex stainless steel pipe manufactured to ASME SA789 standards is a premium solution for sea water desalination and industrial fluid transport systems. Known for its exceptional corrosion resistance and high strength, S31254 is ideal for harsh chloride environments, including seawater and brine pipelines. Its duplex structure, combining ferritic and austenitic phases, provides superior resistance to pitting, crevice corrosion, and stress corrosion cracking, while the smooth pickled and passivated surface ensures efficient flow and minimal fouling, making it perfect for reverse osmosis (RO) systems, evaporators, and condensers in desalination plants.
Material Table:
Material Grade
Description
Key Properties
S31254 Duplex Stainless Steel
Super duplex stainless steel
Outstanding resistance to chloride corrosion, high tensile strength, excellent durability in seawater applications
Specifications Table:
Parameter
Value / Range
Standard
ASME SA789
Pipe Type
Welded / Seamless
Outer Diameter (OD)
15mm – 200mm
Wall Thickness (WT)
2mm – 6mm
Length
6m / 12m
Surface Finish
Pickled & Passivated / Polished
Connection Type
Butt-welded / Flanged
Pressure Rating
Up to 150 bar (depending on schedule)
Manufacturing Process Table:
Step
Description
Raw Material Selection
High-quality S31254 duplex stainless steel billets or coils
Forming
Hot or cold forming into precise pipe dimensions
Welding
TIG or MIG welding for strong, leak-proof joints
Heat Treatment
Solution annealing to enhance corrosion resistance and mechanical properties
Surface Treatment
Pickling and passivation for smooth, corrosion-resistant surface
Inspection & Testing
Hydrostatic, ultrasonic, and dimensional inspections
Packaging
Protective packaging to prevent damage during transport
Uses / Applications Table:
Industry / Application
Description
Sea Water Desalination
Piping for RO systems, evaporators, and brine transport
Chemical & Petrochemical
High-pressure pipelines for corrosive fluids
Offshore & Marine
Seawater piping, cooling loops, and corrosion-resistant applications
Power Generation
Condensers, heat exchangers, and cooling systems
Water Treatment Facilities
Industrial water and brine transport pipelines
Advantages:
High Strength: Can withstand high-pressure and high-temperature conditions.
Superior Corrosion Resistance: Excellent performance in seawater and chloride-rich environments.
Durable & Long-Lasting: Minimal maintenance and extended service life.
Smooth Internal Surface: Reduces fouling, scaling, and improves fluid efficiency.
Versatile Applications: Ideal for desalination, chemical processing, offshore, and industrial piping systems.
FAQ:
Q: Can this pipe be used in seawater desalination plants?
A: Yes, S31254 duplex stainless steel offers superior corrosion resistance in seawater and brine.
Q: Are custom diameters and wall thicknesses available?
A: Yes, OD, wall thickness, and length can be customized to meet project specifications.
Q: Can it handle high-pressure seawater pipelines?
A: Absolutely, S31254 is designed for high-pressure, chloride-rich fluid transport.
Q: How is quality ensured?
A: Pipes are tested via hydrostatic, ultrasonic, and dimensional inspections according to ASME SA789 standards.
Core SEO Keywords:
Duplex Stainless Steel Pipe S31254, ASME SA789 Pipe, Super Duplex Stainless Steel Pipe, Sea Water Desalination Pipe, Corrosion-Resistant Stainless Steel Pipe, High-Strength Duplex Pipe, Offshore Duplex Pipe, Chloride-Resistant Stainless Steel Pipe, Industrial Fluid Transport Pipe.
The S31254 duplex stainless steel pipe ASME SA789 delivers high strength, exceptional corrosion resistance, and long-term durability, making it the ideal choice for seawater desalination, offshore, and industrial fluid transport applications.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Seller
Year Established:
1997
Total Annual:
40 Million-60 Million
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Wuxi korer stainless steel ,Co.,Ltd. professionally manufacture welded stainless steel pipes&tubes.
It covers 30000 square meters and The capability is 10000 metric tons per year.
It is one of the biggest manufacturers of welded stainless steel pipes&tubes in china.
... Wuxi korer stainless steel ,Co.,Ltd. professionally manufacture welded stainless steel pipes&tubes.
It covers 30000 square meters and The capability is 10000 metric tons per year.
It is one of the biggest manufacturers of welded stainless steel pipes&tubes in china.
...
