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OK 83.50
SMAW
Type Rutile-acid
OK 83.50 is a hardfacing electrode for repair welding worn parts on agricultural equipment, forestry tools, loading machines and so on. Transformers with low open-circuit voltage can be used (> 45 volt).
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 | 0,4 | | Si | <0,6 | | Mn | <1,0 | | Cr | 6,0 | | Mo | 0,6 |
| Redrying temperature, °C
300
Redrying time, hours
2
Recovery
95-100
Weld metal hardness, a w
50-60 HRC
Tempering resistance
Temp°C/1h.HRC
200.56
300.54
400.53
500.52
550.51
600.44
650.41
700.34
Machinability
Grinding only
Abrasion resistance
Very good
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| Diameter, mm | 2,5 | 3,2 | 4,0 | 5,0 | | Length, mm | 350 | 350 | 450 | 450 | | Arc voltage, V | 28 | 30 | 33 | 37 | | Welding current, A | 60-120 | 90-160 | 125-210 | 160-260 | | N. Kg weld metal/kg electrodes | 0,46 | 0,46 | 0,48 | 0,48 | | B. No. of electrodes/kg weld metal | 88,0 | 52,0 | 25,5 | 16,0 | | H. Kg weld metal/hour arc time | 0,8 | 1,2 | 1,7 | 2,6 | | T. Burn-off time, secs/electrode | 49 | 59 | 82 | 86 |
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