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Welded Stainless Steel Tube ASME SA269 – Polished Finish & High Strength for Chemical Industry
Product Introduction:
The Welded Stainless Steel Tube, manufactured according to ASME SA269 / ASTM A269 standards, is a high-quality austenitic stainless steel pipe designed for chemical, petrochemical, and industrial applications. Made from premium 304 or 316 stainless steel, this tube provides exceptional corrosion resistance, high mechanical strength, and a polished hygienic surface. Produced by Wuxi Korer Stainless Steel Co., Ltd., the pipe undergoes precision TIG welding and bright polishing, ensuring a smooth internal and external surface that enhances fluid flow, minimizes contamination, and delivers long-lasting performance in harsh chemical environments. Its high-strength construction makes it ideal for critical industrial piping systems.
Applications:
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Chemical and petrochemical pipelines for acids, alkalis, and corrosive fluids
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Pharmaceutical and biotechnology fluid systems
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Food and beverage processing pipelines requiring polished, hygienic surfaces
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Evaporators, heat exchangers, and condensers
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Industrial process piping exposed to high temperatures and chemical corrosion
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Marine and seawater piping systems
Advantages:
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Excellent corrosion resistance to acids, alkalis, and chlorides in harsh environments
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Polished finish provides hygienic surfaces, reduces fouling, and ensures easy cleaning
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High mechanical strength suitable for moderate to high-pressure applications
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Durable and long-lasting, reducing maintenance and operational costs
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Excellent weldability and formability for custom piping layouts
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Complies with ASME SA269 / ASTM A269 standards, ensuring global quality and reliability
Material Composition (304 / 316 Stainless Steel):
| Element | Content (%) |
|---|---|
| Chromium (Cr) | 16.0 – 20.0 |
| Nickel (Ni) | 8.0 – 14.0 |
| Molybdenum (Mo) | 2.0 – 3.0 (316 only) |
| Carbon (C) | ≤ 0.03–0.08 |
| Manganese (Mn) | ≤ 2.0 |
| Silicon (Si) | ≤ 1.0 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.03 |
Technical Specifications:
| Parameter | Value |
|---|---|
| Standard | ASME SA269 / ASTM A269 |
| Material Grade | 304 / 316 |
| Outer Diameter | Customizable (6–219 mm typical) |
| Wall Thickness | 0.5–6 mm |
| Length | Up to 12 meters |
| Surface Finish | Polished / Bright Annealed |
| Type | Welded Stainless Steel Tube |
| Certification | ISO 9001:2008, Pressure Pipe License, Chemical Industry Compliance |
Manufacturing Process:
Raw Material Inspection → Slitting → Tube Forming → TIG/Plasma Welding → Bright Polishing / Heat Treatment → Straightening → Pickling → Non-Destructive Testing (Eddy Current / Ultrasonic) → Dimensional & Surface Inspection → Marking → Packaging
FAQ:
Q1: Why is a polished stainless steel tube preferred for chemical industries?
A: Polished stainless steel ensures smooth, hygienic surfaces resistant to corrosion and fouling, ideal for chemical fluid transfer.
Q2: Can this pipe handle acids and chlorides?
A: Yes, 316 stainless steel with molybdenum content offers superior resistance to acids, chlorides, and harsh chemicals.
Q3: Are custom lengths and diameters available?
A: Yes, outer diameter, wall thickness, and length can be customized to meet project requirements.
Core Keywords (SEO):
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