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OK 83.29
SMAW
Welding current, A
DC+ AC OCV 70 V
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| Classifications | Approvals | Typical all weld metal composition | Typical properties all weld metal | | | | Redrying temperature, °C
350
Redrying time, hours
2
Recovery
65-70
Weld metal hardness, a w
approx. 30 HRC
Tempering resistance
Temp°C/1h.HRC
100.34
300.34
500.33
600.20
700.17
Machinability
Good
Metal-to-metal wear resistance
Very good
Impact resistance
Very good
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| Diameter, mm | 3,2 | 4,0 | 4,5 | 5,0 | 5,6 | | Length, mm | 450 | 450 | 450 | 450 | 450 | | Arc voltage, V | 26 | 30 | 36 | 42 | 46 | | Welding current, A | 110-180 | 160-240 | 200-290 | 230-330 | 270-380 | | N. Kg weld metal/kg electrodes | 0,67 | 0,67 | 0,68 | 0,68 | 0,68 | | B. No. of electrodes/kg weld metal | 23,0 | 15,0 | 12,0 | 10,0 | 8,0 | | H. Kg weld metal/hour arc time | 2,4 | 3,4 | 4,1 | 5,0 | 5,9 | | T. Burn-off time, secs/electrode | 66 | 69 | 71 | 73 | 77 |
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