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OK 84.80 SMAW
 
  Welding current, A DC+
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 | Classifications | Approvals | Typical all weld metal composition | Typical properties all weld metal |   |  | | C | 5,0 |  | Si | 2,0 |  | Mn | 0,7 |  | Cr | 23,0 |  | Mo | 7,0 |  | Nb | 7,0 |  
  | Redrying temperature, °C 300 Redrying time, hours 2 Weld metal hardness, a w 62-66 HRC Machinability Grinding only Abrasion resistance Excellent High temp. wear resistance Very good Corrosion resistance Excellent
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 | Diameter, mm | 3,2 | 4,0 |  |  Length, mm |  350 |  350 |  |  Arc voltage, V |  22 |  23 |  |  Welding current, A |  150-170 |  220-250 |  |  N. Kg weld metal/kg electrodes |  0,72 |  0,71 |  |  B. No. of electrodes/kg weld metal |  21,6 |  14,9 |  |  H. Kg weld metal/hour arc time |  1,2 |  2,0 |  |  T. Burn-off time, secs/electrode |  132 |  123 |   
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