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Welding electrodes HS-Fe8

EN 14700: E Z Fe8
Terms of use
  • it is recommended to hold the electrode vertically to the part
  • surfacing should be performed with a very short arc and the lowest possible current to prevent mixing with the base metal when surfacing on large surfaces in one layer
  • surfacing is carried out with transverse oscillations of the electrode with an amplitude of 2-3 times the diameter of the core, if it is
  • necessary to surfacing more than three layers, a buffer layer is applied
  • mechanical processing of surfacing metal - only by grinding
Special properties
  • ensure the production of deposited metal with high wear resistance under the conditions of abrasion with abrasive materials
  • the deposited metal is prone to the formation of small cracks, which, as a rule, do not reduce the operational stability of the deposited parts.
  • The hardness of the deposited metal is 58...62 HRC. 
  • Full annealing - 780...820 °C ~ 25 HRC.
  • Forging after surfacing ~ 60...65 HRC.
  • 1 layer on high-manganese steel ~ 30 HRC.
  • 2nd layer on high-manganese steel ~ 45 HRC.
  • surfacing coefficient: 0,15…0,19 g/A•min
  • consumption of electrodes per 1 kg of deposited metal: 1,1…1,4 kg
HS-Fe8 electrodes are designed for surfacing solids layers on parts made of steel, cast steel and high-manganese steels, which are simultaneously subject to strong abrasive wear, shock and compressive loads. Typical areas of application are earthmoving, mining and stone processing industry: surfacing of teeth and cutting edges of excavators and bulldozers; screens, augers, hammers, jaw crushers of various mills, cutting edges on tools for cold processing and others details
Package Weight
First select diameter
Package Weight
First select diameter
Coating type
rutile-basic
CHEMICAL COMPOSITION OF DEPOSITED METAL, %
According to AWS A5.1 / Typical Results
C
Carbon
1
Mn
Manganese
0.9
Si
Silicon
2.5
Cr
Chromium
8
Baking before welding
  • permissible moisture content in the coating before use is not more than 0.3%
  • if the electrode coating is moistened above normal, dry for 60 minutes at  250±20 °С
Welding modes
Welding current strength, A for electrodes with a diameter of, mm
4.05.0
130 – 160140 – 180

Welding should be carried out with direct current of reverse polarity, “+” on an electrode with an arc voltage of 23 - 27 V, or with alternating current from a transformer with an idle voltage of 50 V in all spatial positions except vertical down one

Position of seams during welding
pa
pb
Package Weight
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Package Weight
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