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OK 68.53 SMAW
 
  Welding current, A DC+, AC OCV  60 V
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 | Classifications | Approvals | Typical all weld metal composition | Typical properties all weld metal |  | EN 1600 |  | E 25 9 4 N L R 3 2 |  | Werkstoff Nr. |  | (1.4410) |  
  |  | | C | <0,04 |  | Si | 0,6 |  | Mn | 0,8 |  | Cr | 25,2 |  | Ni | 9,8 |  | Mo | 4,0 |  | N | 0,25 |  
  | Redrying temperature, °C 250 Redrying time, hours 2 Recovery 106 Yield stress, MPa 700 Tensile strength, MPa 850 Elongation, % 30 Elongation, % 30 Ferrite content FN 35-50
 | Charpy V |  | Test temps, °C | Impact values, J |  | +20 | 50 |  | -40 | 40 |  
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 | Diameter, mm | 2,5 | 3,2 | 4,0 |  |  Length, mm |  300 |  350 |  350 |  |  Arc voltage, V |  22 |  22 |  23 |  |  Welding current, A |  55-85 |  70-110 |  110-150 |  |  N. Kg weld metal/kg electrodes |  0,60 |  0,60 |  0,60 |  |  B. No. of electrodes/kg weld metal |  94 |  47 |  32 |  |  H. Kg weld metal/hour arc time |  0,9 |  1,2 |  1,7 |  |  T. Burn-off time, secs/electrode |  43 |  62 |  67 |   
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