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OK 73.79 SMAW
 
  Welding current, A AC, DC (+-) OCV 65 V
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 | Classifications | Approvals | Typical all weld metal composition | Typical properties all weld metal |  | SFA/AWS A5.5 |  | E8016-C2 |  | EN 499 |  | E 46 6 3Ni B12 H5 |  
  |  |  | Redrying temperature, °C 350 Redrying time, hours 2 Recovery 100% Yield stress, MPa 520 Tensile strength, MPa 610 Elongation, % 26 Elongation, % 26
 | Charpy V |  | Test temps, °C | Impact values, J |  | -55 | 170 |  | -60 | 160 |  | -73 | 90 |  | -95 | 40 |  | -101 | 35 |  
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 | Diameter, mm | 2,5 | 3,2 | 3,2 | 4,0 | 5,0 |  |  Length, mm |  350 |  350 |  450 |  450 |  450 |  |  Arc voltage, V |  25 |  25 |  25 |  27 |  29 |  |  Welding current, A |  70-110 |  80-150 |  80-150 |  90-190 |  110-240 |  |  N. Kg weld metal/kg electrodes |  0,60 |  0,60 |  0.60 |  0,63 |  0,60 |  |  B. No. of electrodes/kg weld metal |  76 |  39 |  37 |  26 |  15 |  |  H. Kg weld metal/hour arc time |  0,8 |  1,4 |  1,5 |  1,8 |  2,1 |  |  T. Burn-off time, secs/electrode |  60 |  71 |  77 |  88 |  100 |   
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