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 Metal Electrodes for Hand Arc Welding


Metal Electrodes for Hand Arc Welding

Electrode OZL-7

  GOST 9466-75
  GOST 10052-75
  Э-08X20H9Г2Б-ОЗЛ-7-Ф-BD
  E-2005-Б-20
Application Area
For welding of the corrosion-resistant steels of 08X18H10T, 08X19H12T, 08X18H12Б brades and the like, operating in the agressive medium, when the demands of being resistant to intercrystalline corrosion are made on the weld metal.
  Weldable
  Position
Current Mode = (+)
  Coating Type Basic

Melting Characteristic
  Welding Condition   Capacity, g/min
  (at current, A)
Build-up metal
output, %
  Diameter, mm Current, A
  3,0 50-80   13,0 (65)   93
  4,0 90-130   22,0 (110)
  5,0 120-160   28,0 (140)

Chemical Composition of Build-up Metal, %
  C Mn Si Cr Mo Ni Nb S P N
  0,05-
  0,12
1,0-
2,5
1,3
max
18,0-
22,0
  8,0-
10,5
0,7-1,3
но не менее 8%С
0,020 max 0,030
max
 

Weld Metal Stress-strain Properties
  σ в, МPа   σ т, МPа δ s, % α t, J/cm2, α H temperature °C
   +20 -20 -40
  540 min   440 min 22 min    78 min    
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