SS304 Welded Stainless Steel Pipe 38mm ASME SA249 – High-Strength Pipe for Heat Exchangers
Product Introduction:
The SS304 Welded Stainless Steel Pipe with an outer diameter of 38 mm is manufactured according to ASME SA249 / ASTM A249 standards. Designed for heat exchangers, condensers, and high-strength industrial piping, this welded austenitic stainless steel tube provides excellent corrosion resistance, mechanical strength, and durability. Made from 304 stainless steel, it ensures reliable performance in harsh environments, including chemical, petrochemical, and power generation industries. Produced by Wuxi Korer Stainless Steel Co., Ltd., the pipe features bright annealed surfaces and precise dimensional tolerances, ensuring high-quality heat transfer efficiency and easy integration into industrial systems.
Applications:
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Heat exchangers, condensers, and evaporators in chemical, petrochemical, and power plants
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HVAC and refrigeration systems for efficient heat transfer
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Food and beverage processing pipelines requiring hygienic surfaces
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Pharmaceutical manufacturing and biotech fluid systems
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Industrial piping for gas and fluid transfer requiring corrosion resistance and strength
Advantages:
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High corrosion and oxidation resistance suitable for acids, alkalis, and chloride-rich environments
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Excellent mechanical strength for high-pressure and high-temperature operations
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Smooth inner surface enhances heat transfer efficiency and minimizes fouling
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Easy weldability and fabrication for custom industrial installations
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Complies with ASME SA249 / ASTM A249 standards, ensuring international quality
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Long service life with low maintenance and consistent performance
Material Composition (304 Stainless Steel):
| Element | Content (%) |
|---|---|
| Chromium (Cr) | 18.0 – 20.0 |
| Nickel (Ni) | 8.0 – 12.0 |
| Carbon (C) | ≤ 0.08 |
| Manganese (Mn) | ≤ 2.0 |
| Silicon (Si) | ≤ 1.0 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.03 |
Technical Specifications:
| Parameter | Value |
|---|---|
| Standard | ASME SA249 / ASTM A249 |
| Material Grade | SS304 |
| Outer Diameter | 38 mm |
| Wall Thickness | Customizable (0.5 – 6.0 mm) |
| Length | Up to 12 meters |
| Surface Finish | Bright Annealed / Pickled / Polished |
| Type | Welded Stainless Steel Pipe |
| Certification | ISO 9001:2008, Pressure Pipe Manufacturing License |
Manufacturing Process:
Raw Material Inspection → Slitting → Tube Forming → TIG/Plasma Welding → Heat Treatment (Bright Annealing) → Straightening → Pickling / Polishing → Non-Destructive Testing (Eddy Current / Ultrasonic) → Dimensional & Surface Inspection → Marking → Packaging
FAQ:
Q1: Why choose SS304 welded pipes for heat exchangers?
A: SS304 provides excellent corrosion resistance, high mechanical strength, and a smooth surface that enhances heat transfer efficiency.
Q2: Can this pipe be used in chemical or marine environments?
A: Yes, 304 stainless steel is resistant to chemical corrosion and suitable for moderately saline or chloride-containing environments.
Q3: Are custom sizes available?
A: Yes, diameters, wall thicknesses, and lengths can be customized according to project requirements.
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