Duplex Stainless Steel Pipe S32205 – High Strength and Corrosion-Resistant for Plumbing and Industrial Fluid Transport
Introduction:
The S32205 duplex stainless steel pipe is a premium-grade pipe designed for plumbing water systems and industrial fluid transport. Combining the strength of ferritic stainless steel with the corrosion resistance of austenitic steel, this duplex pipe provides exceptional mechanical performance, long-term durability, and resistance to chloride-induced corrosion. Engineered for high-pressure and high-temperature applications, the S32205 pipe is ideal for industrial, commercial, and municipal water supply systems, as well as chemical and petrochemical fluid pipelines, ensuring reliable and safe fluid transport with minimal maintenance.
Material Table:
| Material Grade | Description | Key Properties |
|---|---|---|
| S32205 Duplex Stainless Steel | Super duplex stainless steel | High tensile strength, excellent resistance to chloride corrosion, pitting, and stress corrosion cracking |
Specifications Table:
| Parameter | Value / Range |
|---|---|
| Standard | ASTM A789 / ASME SA789 |
| Pipe Type | Welded / Seamless |
| Outer Diameter (OD) | 15mm – 200mm |
| Wall Thickness (WT) | 1.5mm – 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 | Premium S32205 duplex stainless steel billets or coils |
| Forming | Hot or cold forming into precise pipe dimensions |
| Welding | TIG / MIG welding for strong, uniform seams |
| Heat Treatment | Solution annealing to improve corrosion resistance and mechanical strength |
| Surface Treatment | Pickling and passivation for a smooth, corrosion-resistant finish |
| Inspection & Testing | Hydrostatic, ultrasonic, and dimensional inspections |
| Packaging | Protective packaging for safe transport and handling |
Uses / Applications Table:
| Industry / Application | Description |
|---|---|
| Plumbing Water Systems | Safe conveyance of potable water in residential, commercial, and municipal systems |
| Industrial Fluid Transport | Chemical and petrochemical fluid pipelines |
| HVAC and Cooling Systems | Fluid piping for heating, ventilation, and cooling systems |
| Food & Beverage Industry | Hygienic fluid transport in process systems |
| Water Treatment Plants | Pipelines for treated water and brine transport |
Advantages:
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High Strength: Duplex structure provides superior mechanical performance in high-pressure applications.
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Corrosion Resistant: Excellent resistance to chloride, pitting, and stress corrosion cracking.
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Durable & Reliable: Minimizes maintenance while ensuring long-term performance.
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Smooth Surface Finish: Reduces fouling, scaling, and contamination risk.
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Versatile Applications: Suitable for plumbing, industrial fluid transport, HVAC, and water treatment pipelines.
FAQ:
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Q: Can this pipe be used for seawater applications?
A: Yes, S32205 super duplex stainless steel is highly resistant to chloride-induced corrosion. -
Q: Are custom sizes available?
A: Yes, outer diameter, wall thickness, and length can be customized for specific project requirements. -
Q: Can it handle high-pressure systems?
A: Absolutely, S32205 is designed for high-pressure fluid transport in industrial and municipal pipelines. -
Q: How is quality ensured?
A: Pipes undergo hydrostatic, ultrasonic, and dimensional inspections per ASTM A789 / ASME SA789 standards.
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The S32205 duplex stainless steel pipe offers high strength, corrosion resistance, and durability, making it the ideal choice for plumbing water systems, industrial fluid transport, HVAC, and chemical process pipelines.