|
| Brand Name: | KORER |
| Model Number: | Duplex Stainless Steel Pipe |
| MOQ: | 1 Metric Tons Per Size |
| Price: | Negotiable |
| Payment Terms: | T/T L/C |
| Supply Ability: | 10000 Metric Tons Per Year |
Nickel Alloy Pipe S32750 Duplex Stainless Steel for Heat Exchangers
Introduction:
The S32750 duplex stainless steel nickel alloy pipe is a high-performance solution engineered for industrial heat exchanger systems. With its duplex microstructure, this pipe combines austenitic corrosion resistance with ferritic high strength, making it ideal for high-pressure, high-temperature, and chloride-rich environments. It is widely used in chemical, petrochemical, power generation, and offshore industries, ensuring long-term durability, efficient heat transfer, and minimal maintenance. The pipe’s precision welding and bright annealed finish improve flow efficiency and reduce fouling, optimizing thermal performance in critical industrial applications.
Material Table:
| Material Grade | Description | Key Properties |
|---|---|---|
| S32750 Duplex Stainless Steel | Super duplex nickel alloy steel | Excellent pitting and crevice corrosion resistance, high tensile strength, suitable for heat exchangers and chemical processes |
Specifications Table:
| Parameter | Value / Range |
|---|---|
| Standard | ASME SA789 |
| Pipe Type | Welded / Seamless |
| Outer Diameter (OD) | 12.7mm – 200mm |
| Wall Thickness (WT) | 1.5mm – 12mm |
| Length | 6m / 12m |
| Surface Finish | Bright Annealed / Polished |
| Connection Type | Butt-welded / Socket-weld |
| Pressure Rating | Up to 200 bar (depending on schedule) |
Manufacturing Process Table:
| Step | Description |
|---|---|
| Raw Material Selection | Premium S32750 duplex nickel alloy billets |
| Forming | Hot or cold forming into precise pipe dimensions |
| Welding | TIG or MIG welding for strong, leak-proof joints |
| Heat Treatment | Bright annealing to optimize 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 scratches and damage during transport |
Uses / Applications Table:
| Industry / Application | Description |
|---|---|
| Heat Exchangers | Industrial heat transfer systems with high efficiency |
| Condensers | Power plants and chemical process condensers |
| Petrochemical & Chemical | Transport of corrosive chemicals under high pressure |
| Offshore & Marine | Seawater piping and offshore process systems |
| Power Generation | High-temperature and high-pressure fluid pipelines |
Advantages:
High Strength: Withstands high-pressure and high-temperature environments.
Superior Corrosion Resistance: Excellent resistance to chloride-induced pitting and crevice corrosion.
Durable & Long-Lasting: Reduces maintenance and extends operational life.
Smooth Surface Finish: Bright annealed surface reduces scaling, fouling, and improves fluid flow.
Versatile Applications: Ideal for heat exchangers, condensers, chemical, petrochemical, and offshore systems.
FAQ:
Q: Can this pipe be used in seawater heat exchangers?
A: Yes, S32750 duplex stainless steel provides excellent resistance to chloride and seawater corrosion.
Q: Are custom diameters and wall thicknesses available?
A: Yes, OD, WT, and length can be customized for project requirements.
Q: Is it suitable for high-pressure and high-temperature fluids?
A: Absolutely, this duplex nickel alloy pipe is designed for extreme industrial conditions.
Q: How is quality ensured?
A: Pipes undergo hydrostatic, ultrasonic, and dimensional inspections according to ASME SA789 standards.
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