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    4. Welcome to: Danyang Hualong Special Steel Co., Ltd. official website
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      Hastelloy C-276

      Hastelloy C-276 Tungsten-containing nickel-chromium-molybdenum alloy

      Hastelloy C-276 Features and Applications Overview:

      The alloy has excellent corrosion resistance to most corrosive media in the oxidized and reduced state. Excellent resistance to pitting, crevice corrosion and stress corrosion cracking. The alloy is suitable for a wide range of chemical process industries that contain oxidizing and reducing media. Higher molybdenum, chromium content of the alloy can be resistant to chloride ion erosion, tungsten elements also further improve its corrosion resistance. Hastelloy C-276 is one of only a few materials that can be resistant to moisture chlorine, hypochlorite and chlorine dioxide solutions that have significant resistance to high concentrations of chloride salts (such as chlorinated Iron and copper chloride).

      Hastelloy C-276 Similar brand:

      W.Nr.2.4819 NiMo16Cr15W (Germany) NC17D (France)

      Hastelloy C-276 chemical composition:

      Alloy
      Grade

      %

      Ni

      Cr

      Fe

      Mo

      W

      Co

      C

      Mn

      Si

      S

      P

      V

      Ti

      Hastelloy C-276

      Min

      Margin

      15.0

      4.0

      15.0

      3.0

      0.1

      Max

      16.5

      7.0

      17.0

      4.5 2.5

      0.01

      1.0

      0.08

      0.001

      0.015

      0.3

      Hastelloy C-276 Physical properties:

      Density
      g/cm3

      Melting point

      Thermal conductivity
      /(W/m•)

      Specific heat capacity
      J/kg•

      Elastic Modulus
      GPa

      Shear modulus
      GPa

      Resistivity
      ̦•m

      Poisson's ratio

      Linear expansion coefficient
      a/10-6-1

      8.9

      1325

      1370

      10.2(100)

      407

      208

      79

      1.25

      11.7(20~100)

      Hastelloy C-276 Mechanical properties: (at 20 to detect the minimum mechanical properties)

      Heat treatment methods

      Tensile strengthb/MPa

      Yield Strengthp0.2/MPa

      Elongation5 /%

      Brinell hardness HBS

      Solution treatment

      690

      283

      40

      Hastelloy C-276 Production standards:

      Standard

      Bar

      Forgings

      Plate (with) material

      Wire

      Pipe

      American Society for Testing and Materials

      ASTM B574

      ASTM B564

      ASTM B575

      ASTM B622

      ASTM B619

      ASTM B626

      American Aerospace Materials Technical Specification

      American Society of Mechanical Engineers

      ASME SB574

      ASME SB564

      ASME SB575

      ASTM SB622

      ASTM SB619

      ASTM SB626

      Hastelloy C-276 Metallography structure:

      Alloy is a face-centered cubic lattice structure.

      Hastelloy C-276 Process performance and requirements:

      1. The lower the sulfur content of the hot processed fuel, the better the sulfur content in natural gas should be less than 0.1% and the sulfur content in heavy oil should be less than 0.5%.
      2, alloy thermal processing temperature range 1200 ~ 950 , the cooling mode is water cooling or rapid air cooling.
      3, Suitable for welding with any traditional welding process, such as tungsten electrode inert gas shielded welding, plasma arc welding, manual sub-arc welding, metal inert gas shielded welding, melting inert gas shielded welding.

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