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OK 63.35 SMAW Type Basic OK 63.35 is a low carbon stainless steel electrode with basic coating of the 18Cr12Ni3Mo type. It is suitable for applications where the mechanical requirements are tough. It provides good impact toughness levels. Minimum lateral expansion of 0.38mm requirement is met down to -120°C. The same requirement can be met at -196°C when the ferrite content is at the low end of the specification i.e. FN 3 - 4. Welding current DC+ |
| Classifications | Approvals | Typical all weld metal composition, % | Typical mech. properties all weld metal | ||||||||||||||||||||||||||||||||||||||||||||
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| Yield stress, MPa 430 Tensile strength, MPa 520 Elongation, % 40 Elongation, % 30 Ferrite content FN 3-8 Weld metal hardness, a w HV 190-215
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| Redrying temperature, °C 200 Redrying time, hours 2 Recovery 110 |
| Diameter, mm | 2,5 | 3,2 | 4,0 | 5,0 |
| Length, mm | 300 | 350 | 350 | 350 |
| Arc voltage, V | 24 | 24 | 24 | 24 |
| Welding current, A | 55-85 | 80-120 | 80-180 | 150-200 |
| N. Kg weld metal/kg electrodes | 0,63 | 0,63 | 0,62 | 0,62 |
| B. No. of electrodes/kg weld metal | 91 | 47 | 32 | 20 |
| H. Kg weld metal/hour arc time | 0,9 | 1,3 | 1,8 | 2,6 |
| T. Burn-off time, s/electrode | 42 | 58 | 63 | 68 |
| Weight of rods/box, kg | 1,7 | 3,4 | 5,2 | - |
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