|  | | 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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