Welded Stainless Steel Pipes
Welded Stainless Steel Pipes are precision-manufactured from high-quality 304/316L stainless steel, available in both seamless and welded forms. Designed to meet rigorous industrial standards, these pipes offer exceptional corrosion resistance, mechanical strength, and hygiene, making them ideal for fluid and gas transport across diverse industries.
Welded Stainless Steel Pipes
Key Features
- Excellent Corrosion Resistance: 304/316L stainless steel provides outstanding resistance to acids, alkalis, oxidation, and corrosion, suitable for both indoor and outdoor use.
- High Mechanical Strength: Superior tensile and pressure-bearing performance ensures long-term durability under high-pressure and high-temperature conditions.
- Smooth & Hygienic Surface: Polished inner/outer surfaces (Ra ≤ 0.8~1.6 μm optional) prevent contamination and bacterial growth, meeting strict hygiene requirements.
- Weldability & Formability: Easy to cut, bend, and weld for flexible installation in complex system layouts.
- Long Service Life: Low maintenance, rust-proof, and wear-resistant, reducing long-term operational costs.
- Compliant with International Standards: Manufactured to ASTM, DIN, ISO, and GB standards for reliable quality and compatibility.
Technical Specifications
| Item | Details |
|---|---|
| Material | Stainless Steel 304 / 304L / 316 / 316L (custom grades available) |
| Types | Seamless / Welded (ERW) |
| Standards | ASTM A312, ASTM A269, DIN 11850, ISO 2037, GB/T 12771 |
| Size Range | DN 6 – DN 300 (custom diameters/lengths available) |
| Wall Thickness | 0.5 mm – 5.0 mm (custom options available) |
| Surface Finish | Polished (2B / BA / EP), Matte, or Pickled |
| Working Pressure | Up to 16 bar (higher grades available for high-pressure applications) |
| Working Temperature | -196°C ~ +600°C (depends on material grade and wall thickness) |
| Length | 3m / 6m / custom cut lengths |
| Testing | Hydrostatic test, Eddy current test, Helium leak test (for sanitary grades) |
Applications
- Food & Beverage: Sanitary pipelines for milk, beer, beverage, and food processing systems.
- Pharmaceutical & Cosmetics: High-purity fluid transport for drug manufacturing and cleanroom environments.
- Chemical & Petrochemical: Corrosive fluid transport in chemical plants and refineries.
- Water Treatment & Purification: Desalination, wastewater treatment, and drinking water distribution systems.
- Vacuum & Semiconductor: Ultra-clean pipelines for vacuum chambers and semiconductor manufacturing.
- Architectural & Structural: Building facades, railings, and decorative structural applications.
- Industrial & HVAC: Heat exchangers, boilers, and industrial piping systems.
