Alloy 690

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• Material:	Alloy 690
  Other Brands:	Alloy 690, Inconel 690, N06690, 2.4642, NS 3105
  Source Stock:	Customized
  Supplier:	Shanghai Hite Special Alloy Co., Ltd.
  Contacts:	Mr.KayDuan
  Email:	sales02@hitealloy.com

• Alloy 690 Details

  
  
  

  Alloy690 alloy is mainly used in high-temperature and corrosive environments, especially in nuclear power plants and the petrochemical industry. It is usually used for manufacturing reactor pressure vessels and heat exchangers. In these applications, Alloy 690 has high strength and corrosion resistance to ensure equipment reliability and long service life.

  
  

  Alloy690 Physical Properties (Annealed):

  Density: 8.19g/cm3 (g/cm3),

  Specific heat: 450Joules/kg/° C (0-100 ° C) (J/kg/℃),

  Melting point: 1377-1343 ° C.

  
  

  Chemical composition under ASTM B166-08 standard:

  Grade	chemical composition,%
  UNS N06690	Ni	Cr	Fe	Mn
  	≥58.0	27.0-31.0	7.0-11.0	≤0.5
  	C	Si	Cu	S
  	≤0.05	≤0.5	≤0.5	≤0.015

  
  

  Main produce standards:

  Wire,Rod, Bar,Forging	Plate/Sheet/Strip	Tube/Pipe
  ASTM B166	ASTM B168	ASTM B163 ASTM B167 ASTM B829
  ASTM B564

  
  

  Alloy690 Mechanical Properties:

  Tensile strength (MPA) RmN/mm2 ≥ 710.

  Yield strength (MPA) RP0.2N/mm2 ≥ 310,

  Elongation rate A5% ≥ 35,

  Brinell hardness (HB) ≥ 8.

  
  

  Alloy690 application:

  Alloy690 is mainly used as a heat transfer tube material for steam generators in pressurized water reactor nuclear power plants, and is a technology for steam generators. At present, only 800 alloy is used in the first phase of Qinshan, while 690 alloy is used for the heat transfer tubes of steam generators in the second phase of Qinshan, Daya Bay, and Ling'ao nuclear power plants. Most power plants under construction and planning also use 690 alloy as the heat transfer tube material for steam generators. Of course, it can also be used to process chemical equipment and components such as HNO3, HNO3 and hydrofluoric acid, such as containers, towers, tanks, pipelines, etc.