316 Stainless Steel Welded Pipe ASME SA249 3/4 Inch – Bright Annealed & Corrosion-Resistant
Product Introduction:
The 316 Stainless Steel Welded Pipe, with a 3/4-inch diameter, is a premium austenitic stainless steel tube manufactured according to ASME SA249 / ASTM A249 standards. Designed for high-performance industrial and chemical applications, this pipe provides excellent corrosion resistance, durability, and mechanical strength. Produced by Wuxi Korer Stainless Steel Co., Ltd., it undergoes precision TIG welding and bright annealing, delivering a smooth internal and external surface that prevents corrosion, ensures hygienic fluid transport, and enhances long-term performance. Its resistance to chlorides and acids makes it ideal for marine, chemical, pharmaceutical, and food processing industries.
Applications:
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Chemical and petrochemical pipelines for acids, alkalis, and corrosive fluids
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Marine piping systems exposed to seawater and harsh environments
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Food and beverage processing requiring corrosion-resistant sanitary piping
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Pharmaceutical and biotech fluid transfer
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Evaporators, heat exchangers, and condensers in industrial applications
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HVAC and refrigeration systems
Advantages:
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Superior corrosion resistance to chlorides, acids, and high-temperature environments
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Bright annealed finish for smooth surfaces, hygienic use, and easy cleaning
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High mechanical strength suitable for moderate to high-pressure applications
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Excellent weldability and formability for custom installation and fabrication
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Compliant with ASME SA249 / ASTM A249 standards, ensuring international quality
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Long service life, reducing maintenance and operational costs
Material Composition (316 Stainless Steel):
| Element | Content (%) |
|---|---|
| Chromium (Cr) | 16.0 – 18.0 |
| Nickel (Ni) | 10.0 – 14.0 |
| Molybdenum (Mo) | 2.0 – 3.0 |
| Carbon (C) | ≤ 0.03 |
| 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 | 316 |
| Outer Diameter | 3/4 inch (19.05 mm) |
| Wall Thickness | Customizable (1–6 mm) |
| Length | Up to 12 meters |
| Surface Finish | Bright Annealed / Polished / Pickled |
| Type | Welded Stainless Steel Pipe |
| Certification | ISO 9001:2008, Pressure Pipe 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 316 stainless steel for industrial piping?
A: 316 stainless steel provides excellent corrosion resistance, high strength, and smooth surfaces for hygienic and chemical applications.
Q2: Can these pipes be used in marine or chemical environments?
A: Yes, the addition of molybdenum in 316 steel ensures superior resistance to chlorides, acids, and seawater corrosion.
Q3: Are custom dimensions available?
A: Yes, diameters, wall thickness, lengths, and surface finishes can be customized to meet project requirements.
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