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ASTM A249 Ø32mm Stainless Steel Welded Pipes for Petrochemical Industry
Product Introduction:
The ASTM A249 Ø32mm Stainless Steel Welded Pipe is a high-performance welded pipe manufactured according to ASTM A249 standards, designed for use in demanding petrochemical industry applications. With an outer diameter of 32 mm, these pipes offer exceptional corrosion resistance, strength, and durability. Made from 304 or 316 stainless steel, they are ideal for conveying fluids and gases in petrochemical plants, refineries, and chemical processing systems. Produced by Wuxi Korer Stainless Steel Co., Ltd., these pipes undergo advanced manufacturing processes including precision welding, bright annealing, and rigorous quality control, ensuring the highest quality and performance for industrial and commercial use.
Applications:
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Petrochemical industry – for transporting chemicals, gases, and petroleum-based products
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Chemical processing plants – in fluid and gas pipelines
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Refineries and oil & gas plants – for efficient and safe fluid handling
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Pharmaceuticals and food processing systems – when corrosion resistance and cleanliness are required
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Heat exchangers and condensers in chemical and energy sectors
Advantages:
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Superior corrosion resistance to a wide range of acids, alkalis, and harsh chemicals
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High-temperature strength for use in elevated temperature applications
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Smooth internal surface that ensures high fluid flow efficiency and easy cleaning
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Weldability and formability make it suitable for custom applications and installations
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Conforms to ASTM A249 and ASME SA249, ensuring high-quality manufacturing and dimensional accuracy
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Long service life with low maintenance and minimal operational disruptions
Material Composition (304 / 316 Stainless Steel):
| Element | Content (%) |
|---|---|
| Chromium (Cr) | 18.0 – 20.0 |
| Nickel (Ni) | 8.0 – 12.0 |
| Molybdenum (Mo) | 2.0 – 3.0 (for 316) |
| 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 | ASTM A249 / ASME SA249 |
| Material Grade | 304 / 316 |
| Outer Diameter | 32 mm |
| Wall Thickness | 1.0 – 5.0 mm |
| Length | Up to 12 meters |
| Surface Finish | Bright Annealed / Pickled / Polished |
| Type | Welded stainless steel pipe |
| Certification | ISO 9001:2008, PED, Pressure Pipe License |
Manufacturing Process:
Raw Material Inspection → Slitting → Tube Forming → TIG/Plasma Welding → Bright Annealing → Straightening → Pickling or Polishing → Non-Destructive Testing (Eddy Current / Ultrasonic) → Dimensional Inspection → Marking → Packaging
FAQ:
Q1: Why is ASTM A249 stainless steel pipe preferred in the petrochemical industry?
A1: ASTM A249 stainless steel offers superior corrosion resistance to aggressive chemicals and high temperatures, making it ideal for the harsh conditions in the petrochemical sector.
Q2: What is the main difference between 304 and 316 stainless steel?
A2: 316 stainless steel has added molybdenum, providing better resistance to chlorides and acids compared to 304, making it more suitable for harsh environments like the petrochemical industry.
Q3: Can these pipes be customized to different lengths and wall thicknesses?
A3: Yes, customization is available based on project requirements for both length and wall thickness to suit specific applications.
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