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Welded Pipe 4 Inch – Durable Stainless Steel for Plumbing & Water Transport Systems
Product Introduction:
The 4-inch Welded Pipe is a high-quality stainless steel pipe designed for plumbing, water transport, and industrial piping systems. Manufactured from 304 stainless steel and produced with precision TIG welding, this pipe ensures long-lasting durability, corrosion resistance, and smooth fluid flow. Its welded construction provides consistent strength and reliability, making it ideal for residential, commercial, and industrial water distribution systems. Produced by Wuxi Korer Stainless Steel Co., Ltd., the pipe meets ASTM A312 / ASME SA312 standards, ensuring international quality and compliance with global plumbing regulations.
Applications:
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Water transport pipelines for residential, commercial, and industrial systems
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Plumbing systems for potable water and drainage networks
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Industrial fluid transfer systems in factories and processing plants
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HVAC and refrigeration piping systems
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Irrigation and water distribution networks
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Firefighting and high-pressure water piping applications
Advantages:
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High corrosion resistance for safe and long-lasting water transport
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Durable welded construction provides high strength and pressure tolerance
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Smooth internal surface ensures efficient fluid flow and reduces fouling
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Hygienic and rust-free, ideal for potable water systems
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Compliance with ASTM A312 / ASME SA312 standards ensures reliable performance
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Low maintenance and long service life, reducing operational costs
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 | ASTM A312 / ASME SA312 |
| Material Grade | 304 |
| Outer Diameter | 4 inches (101.6 mm) |
| Wall Thickness | Customizable (Schedule 10, 40, or 80) |
| Length | Up to 12 meters |
| Surface Finish | Bright Annealed / Pickled / Polished |
| Type | Welded Stainless Steel Pipe |
| Certification | ISO 9001:2008, Pressure Pipe License |
Manufacturing Process:
Raw Material Inspection → Slitting → Tube Forming → TIG/Plasma Welding → Bright Annealing → Straightening → Pickling / Polishing → Non-Destructive Testing (Eddy Current / Ultrasonic) → Dimensional & Surface Inspection → Marking → Packaging
FAQ:
Q1: Can this 4-inch welded pipe be used for potable water systems?
A: Yes, 304 stainless steel is corrosion-resistant and hygienic, making it suitable for drinking water.
Q2: Is this pipe suitable for high-pressure water transport?
A: Yes, the welded construction and stainless steel material ensure strength for high-pressure applications.
Q3: Are custom wall thickness and lengths available?
A: Yes, pipe thickness, length, and finish can be customized to meet specific project requirements.
Core Keywords (SEO):
4-inch stainless steel pipe, welded pipe for water transport, plumbing stainless steel tube, corrosion-resistant stainless steel pipe, ASTM A312 welded pipe, ASME SA312 stainless steel tubing, potable water stainless steel pipe, bright annealed stainless steel pipe, industrial water pipeline, high-pressure stainless steel pipe supplier.
