254 SMO Round Bar

PropertyDescription
Material254 SMO (UNS S31254)
GradeAustenitic Stainless Steel
FormRound Bar
StandardsASTM A276, ASTM A479, EN 10088-3, ASME SA276, ASME SA479
DimensionsDiameter: 3 mm–800 mm
Length: 100 mm–6000 mm
Thickness: 2 mm–100 mm
Chemical CompositionNickel (Ni): 17.5-18.5% | Chromium (Cr): 19.5-20.5% | Molybdenum (Mo): 6-6.5% | Nitrogen (N): 0.18-0.25% | Iron (Fe): Balance
Mechanical PropertiesTensile Strength: ≥ 650 MPa | Yield Strength: ≥ 300 MPa | Elongation: ≥ 35%
FinishBlack, Bright, Polished, and Custom Finish
Heat TreatmentSolution Annealed at 1150°C to 1200°C and then rapidly cooled
Category:

Description

254 SMO Round Bar

254 SMO Round Bar is a high-performance austenitic stainless steel known for its exceptional strength and superior corrosion resistance. With its high levels of chromium, molybdenum, and nitrogen, it is specially designed to withstand harsh environments, including those with high chloride ion concentrations and acidic conditions.

Key Features:

  • Superior Corrosion Resistance: Excellent resistance to pitting, crevice corrosion, and stress corrosion cracking, making it ideal for marine and chemical processing environments.
  • High Strength: Combines mechanical strength with superior toughness, suitable for demanding applications.
  • Weldability & Fabrication: Excellent weldability and easy machinability allow for versatile usage across various industries.
  • Enhanced Durability: Performs exceptionally well under high pressures and temperatures.

254 SMO Round Bar Material Properties

  • Standard: ASTM A276, ASTM A479, ASME SA276, EN 10272
  • Material Grade: 254 SMO (UNS S31254 / W.Nr. 1.4547)
  • Form: Round Bar
  • Diameter3 mm–800 mm
  • Length100 mm–6000 mm
  • Thickness2 mm–100 mm
  • Length: Up to 6 meters or cut-to-length as required
  • Surface Finish: Bright, Black, Polished, or as per customer requirements

Applications

  • Heat exchangers, condensers, and process tanks in the chemical and petrochemical industries.
  • Desalination plants and offshore platforms.
  • Pulp and paper bleaching equipment.
  • Pharmaceutical and food processing equipment.

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