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430 Hot Rolled NO.1 Stainless Steel Pipe

When sourcing high-performance stainless steel pipes for demanding industrial applications, 430 stainless steel pipes are a top choice due to their excellent corrosion resistance and formability. As a widely used ferritic stainless steel, Grade 430 offers good mechanical properties and is often selected for environments where oxidation and mild chemical exposure are concerns. For projects requiring superior surface quality and structural integrity, hot rolled pipes provide an ideal solution, combining strength with cost-effectiveness. Specifically, the NO.1 finish on hot rolled stainless steel pipes ensures a smooth, uniform surface that is ready for further processing or immediate use in visible applications. These welded pipes are manufactured to meet strict industry standards, making them suitable for automotive, architectural, and general engineering uses where durability and aesthetics matter.


430 Hot Rolled NO.1 Stainless Steel Pipe is characterized by its specific material composition and mechanical properties, which make it a reliable option for various industrial sectors. The hot rolling process enhances the pipe's strength and dimensional accuracy, while the NO.1 finish provides a clean, slightly reflective surface that is free from scale, making it easy to clean and maintain. This type of pipe is commonly used in applications such as exhaust systems, heat exchangers, and decorative components, where resistance to corrosion and heat is essential. Below are the detailed parameters presented in both list and table formats for easy reference.

Key Parameters of 430 Hot Rolled NO.1 Stainless Steel Pipe

  • Material Grade: AISI 430 / UNS S43000
  • Standard: ASTM A268, ASME SA268
  • Surface Finish: NO.1 (Hot Rolled, Annealed, and Descaled)
  • Outer Diameter Range: 1/2 inch to 24 inches
  • Wall Thickness: 0.5 mm to 12.7 mm
  • Length: Customizable, typically 6 meters
  • Density: 7.7 g/cm³
  • Tensile Strength: 450 MPa min
  • Yield Strength: 205 MPa min
  • Elongation: 22% min
  • Hardness: Brinell 183 max
  • Chemical Composition: Iron (Fe) base, Chromium (Cr) 16-18%, Carbon (C) 0.12% max, Manganese (Mn) 1.0% max, Silicon (Si) 1.0% max, Phosphorus (P) 0.04% max, Sulfur (S) 0.03% max
Property Value Unit
Outer Diameter Tolerance ±0.5% mm
Wall Thickness Tolerance ±10% mm
Operating Temperature -20°C to 850°C °C
Corrosion Resistance Good in mild environments -
Magnetic Properties Magnetic -
Welding Compatibility Yes, with proper techniques -

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