Project Description

20-45-5

20-45-5 is a corrosion resistant nickel-base alloy that is extremely resistant to hot chloride stress-corrosion cracking and has superior resistance to intergranular attack in the sensitized condition.

Equivalent Grades

TrademarkGBGOSTASTMUNSDINW.Nr.NFBSJISSS
Armco 20-45-5––––––––––

Chemical Composition, %

AlloyCSiMnPSCrNiMoNbFe
20-45-5≤0.08≤1.03.0-7.0≤0.030≤0.02018.0-22.043.0-49.01.5-3.0≤0.40Bal

Typical Physical and Mechanical Properties (RT, Solution annealed)

Density, g/cm3Melting Point, ℃Tensile Strength, MPaYield Strength, MPaELongation, %Hardness, HB
8.01350-145051527540–

Available Products and Specifications

Rod, Bar, Wire and Forgings–
Plate, Sheet and Strip–
Pipe and Tube–
Welding Product–
Others–

Features

  • High temperature alloy with high temperature strength
  • Good resistance to oxidation and corrosion resistance performance
  • Good fatigue performance, the fracture toughness, plastic

Applications

  • Aviation
  • Aerospace
  • Petroleum
  • Chemical industry
  • Ship