Hastelloy Alloy

Hastelloy Alloy
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Nickel-chromium-molybdenum alloys

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Hastelloy is a nickel-based high-temperature alloy, known for its exceptional corrosion resistance and stability in extreme environments. These alloys contain a high proportion of nickel, along with molybdenum, chromium, and iron, to enhance specific performance characteristics.

Available grades: Hastelloy C-276, C-22, C4, B2, B3

  • Provides excellent resistance to both oxidizing and reducing acids, including nitric acid, sulfuric acid, hydrochloric acid, and phosphoric acid
  • Maintains stability even in environments with high chloride ion concentrations
  • Performs reliably at high temperatures without significant oxidation or deformation
  • Offers superior corrosion resistance across various media, especially in chloride-containing solutions
  • Easy to process, form, and weld, making it suitable for complex-shaped components
  • Non-magnetic or weakly magnetic, making it ideal for magnetically sensitive applications

Advantages of Hastelloy Alloy

  • Outstanding corrosion resistance in harsh and aggressive environments
  • High strength and excellent thermal stability at elevated temperatures
  • Compatible with both oxidizing and reducing agents, ensuring reliable performance in diverse applications
  • Chemical & petrochemical industry: Used in reactors, pipelines, pumps, and valves
  • Energy sector: Applied in steam generators, boiler tubes, and superheaters for nuclear and thermal power plants
  • Marine engineering: Used in shipbuilding, subsea pipelines, and seawater desalination systems
  • Aerospace industry: Found in aircraft engines and spacecraft components
  • Automotive industry: Used in exhaust systems and turbochargers for high-temperature applications
  • Food processing & pharmaceuticals: Utilized in mixers, reactors, and food-handling equipment
  • Medical equipment: Suitable for MRI machines and non-magnetic instruments
  • Environmental technology: Used in wastewater treatment facilities and exhaust gas purification systems
Product Forms
  • Plate / Sheet
    Thickness: 0.5mm-60mm
    Width: 500mm-2500mm
    Length: 1000mm-6000mm
  • Rod
    Diameter: 6mm-400mm
    Length: 1000mm-6000mm
  • Tube
    Outer Diameter: 6mm-273mm
    Wall Thickness: 0.5mm-20mm
    Length: ≤ 12000mm
  • Wire
    Diameter: 0.1mm-10mm
    Delivery Forms: Coiled wire or straight wire
Chemical Composition
Grades % Nickel (Ni) Chromium (Cr) Molybdenum (Mo) Iron (Fe) Tungsten (W) Cobalt (Co) Carbon (C) Manganese (Mn) Silicon (Si) Vanadium (V) Phosphorus (P) Sulfur (S)
C276 Min. Rest 14.5 15 4 3
Max. 16.5 17 7 4.5 2.5 0.01 1 0.08 0.35 0.04 0.03
C-22 Min. Rest 20 12.5 2 2.5
Max. 22.5 14.5 6 3.5 2.5 0.015 0.5 0.08 0.35 0.02 0.02
C-4 Min. Rest 14 14
Max. 18 17 3 2 0.015 1 0.08 0.04 0.03
B-2 Min. Rest 26 0.2
Max. 1 30 2 1 0.02 1 0.1 0.4 0.04 0.03
B-3 Min. 65 1.5 28.5 1.5
Max. 3 3 0.01 3 0.1
Physical & Mechanical Properties
Grades Density (g/cm³) Melting Point (°C)
C-276 8.9 1325-1370 °C
C-22 8.69 1325-1370 °C
C-4 8.64 1350-1380°C
B-2 9.2 1330-1380°C
B-3 9.2 1370-1418°C
Standard Compliant

Our production adheres to JIS G4313 standards, ensuring compliance with international quality benchmarks.
Equivalent overseas standards are listed for reference.

  • ASTM B575, B622, B619
  • ASME SB575, SB622, SB619
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