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OK 92.78 SMAW
Welding current, A AC, DC+ - OCV 45 V
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Classifications | Approvals | Typical all weld metal composition | Typical properties all weld metal | | | C | 0,7 | Si | <0,2 | Mn | 0,9 | Ni | 64 | Cu | 32 | Fe | 3 |
| Redrying temperature, °C 80 Redrying time, hours 2 Recovery 95 Tensile strength, MPa 300-350 Elongation, % 15 Elongation, % 15 Weld metal hardness, a w 150 HB
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Diameter, mm | 2,5 | 3,2 | 4,0 | Length, mm | 300 | 350 | 350 | Arc voltage, V | 18 | 18 | 18 | Welding current, A | 50-100 | 60-125 | 90-140 | N. Kg weld metal/kg electrodes | 0,60 | 0,65 | 0,65 | B. No. of electrodes/kg weld metal | 96 | 49 | 32 | H. Kg weld metal/hour arc time | 0,6 | 0,8 | 0,9 | T. Burn-off time, secs/electrode | 66 | 97 | 130 |
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