|  | | OK 94.25 SMAW
 
 
 Welding current, A
 DC+
 
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 | Classifications | Approvals | Typical all weld metal composition | Typical properties all weld metal |  |  |  | | Mn | <0,5 |  | P | <0,1 |  | Cu | 92,5 |  | Sn | 7,0 |  | Fe | <0,2 | 
 | Redrying temperature, °C 300
 Redrying time, hours
 2
 Recovery
 95
 Yield stress, MPa
 235
 Tensile strength, MPa
 330-390
 Elongation, %
 25
 Elongation, %
 25
 Weld metal hardness, a w
 95 HB
 Machinability
 Good
 
 | Charpy V |  | Test temps, °C | Impact values, J |  | +20 | 25 |  | 0 | 20 | 
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 | Diameter, mm | 2,5 | 3,2 | 4,0 |  | Length, mm | 350 | 350 | 350 |  | Arc voltage, V | 22 | 24 | 25 |  | Welding current, A | 60-90 | 90-125 | 125-170 |  | N. Kg weld metal/kg electrodes | 0,71 | 0,72 | 0,74 |  | B. No. of electrodes/kg weld metal | 77,0 | 46,0 | 30,5 |  | H. Kg weld metal/hour arc time | 1,2 | 1,9 | 2,9 |  | T. Burn-off time, secs/electrode | 39 | 40 | 41 | 
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