Hastelloy b b2 b3 pipe tube

Hastelloy B is a nickel-molybdenum alloy that is widely used in various industrial applications because of its excellent resistance to corrosion, oxidation, and high-temperature strength. It is commonly used in chemical processing, petrochemical, power generation, and waste treatment industries. Hastelloy B pipes are manufactured according to standards ASTM B619/619M, ASTM B626/626M, and ASTM B775/775M. 

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Hastelloy B Pipe Chemical Composition:

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  Nickel (Ni) – 65%

  
  

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  Molybdenum (Mo) – 28%

  
  

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  Iron (Fe) – 5%

  
  

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  Chromium (Cr) – 1%

  
  

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  Manganese (Mn) – 0.5%

  
  

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  Silicon (Si) – 0.08%

  
  

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  Carbon (C) – 0.05%

  
  

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  Cobalt (Co) – 0.5%

  
  

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  Sulfur (S) – 0.03%

  
  

Hastelloy B pipes possess excellent mechanical properties such as high strength, good ductility, and toughness. They also exhibit superior resistance to corrosion, cracking, and pitting in acidic or alkaline environments, making them suitable for use in various severe conditions. 

Hastelloy B Pipe Properties:

Density – 9.24 g/cm³

Melting point – 1330°C or 2426°F

Tensile strength – 570 MPa or 82700 psi

Yield strength – 245 MPa or 35500 psi

Elongation – 39%

Hardness – 23.9 HRC

Hastelloy B Pipe Applications:

Chemical processing – They are used in the production of acids, alkalis, and other chemicals.

Petrochemical – They are used in oil and gas refining, and other petroleum-based processes.

Power generation – They are used in the production of steam for power generation.

Waste treatment – They are used in wastewater treatment plants to resist corrosion from acidic and alkaline environments.