2015年2月4日星期三

NiMo28 steel
Corrosion resistant alloy:  NiMo28

NiMo28 alloy equal material:
  Germany grade:  W.Nr.2.46  American grade: UNS N10665  ISO grade:  NiMo28

NiMo28 alloy steel Characteristic :
  1.control iron and chromium in the lowest content, prevent the generation of β phase Ni4Mo28
  2.The excellent corrosion resistance to reduction environment.Sulfuric acid anti medium  concentration
  3 excellent non oxidative acid corrosion
  4.very good resistance to chloride ion reduction to stress corrosion cracking (SCC)
  5.Capacity of excellent resistance to various organic acid corrosion

NiMo28 Corrosion resistant alloy steel Property :

  NiMo28 steel material  density: 8.9g/cm3

  NiMo28 steel material   Melting temperature range: 1330-1380 degree
NiMo28 alloy steel Processing and heat treatment:
  1.Should be quickly heated to a required temperature. The temperature range of 1160 - 900 degree heat processing.
  2.The degree of deformation, the alloy grain size and forging the final forging temperature is closely related to.
  3.Welding slag surrounding oxide, alloy surface oxide color and weld attachment than stainless steel, grinding and recommend the use of fine grain or fine grain grinding wheel abrasive belt.
  4.Alloy should be machined after annealing, due to the work hardening material rate is higher, it should adopt the cutting speed than standard austenitic stainless steel low alloy processing low and heavy feed processing, can cut into the cold work hardening of the surface below.
NiMo28 alloy steel application:
  1. manufacturing work under high temperature bolt; gas turbine rotor blades, impeller and other structural parts;
  2. rocket engine thrust chamber;Reverse thrust device
  3. on the plane;
  4. large high pressure vessel;
  5.The elastic gas seal, sealing sheet, rubber machinery electric blade.
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