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OK 75.78
SMAW
Welding current, A
AC, DC+ OCV 70 V
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| Classifications | Approvals | Typical all weld metal composition | Typical properties all weld metal | | | | C | 0,05 | | Si | 0,3 | | Mn | 2,1 | | Cr | 0,5 | | Ni | 3,0 | | Mo | 0,6 |
| Recovery
115%
Yield stress, MPa
920
Tensile strength, MPa
965
Elongation, %
17
Elongation, %
17
| Charpy V | | Test temps, °C | Impact values, J | | -60 | 60 |
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| Diameter, mm | 2,5 | 3,2 | 4,0 | | Length, mm | 350 | 350 | 450 | | Arc voltage, V | 24 | 24 | 24 | | Welding current, A | 70-110 | 110-150 | 150-200 | | N. Kg weld metal/kg electrodes | 0,61 | 0,63 | 0,65 | | B. No. of electrodes/kg weld metal | 73,5 | 32,6 | 21,9 | | H. Kg weld metal/hour arc time | 0,9 | 1,4 | 1,9 | | T. Burn-off time, secs/electrode | 52 | 77 | 86 |
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