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OK 67.52
SMAW
Type Zirconium-basic
OK 67.52 is a synthetic, high-recovery electrode of the 18Cr8Ni6Mn type for welding dissimilar steels, 13Mn steels andsteels with reduced weldability and for cladding carbon steels.
Welding current
DC+, AC OCV 65
| Classifications | Approvals | Typical all weld metal composition, % | Typical mech. properties all weld metal | ||||||||||||||||||||||||||||||||
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| Yield stress, MPa 420 Tensile strength, MPa 630 Elongation, % 45 Elongation, % 45 Ferrite content FN <3 Weld metal hardness, a w 190 HV Weld metal hardness, w h 400 HV Machinability Fair
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| Redrying temperature, °C 350 Redrying time, hours 2 Recovery 185% |
| Diameter, mm | 2,5 | 3,2 | 4,0 | 5,0 |
| Length, mm | 350 | 450 | 450 | 450 |
| Arc voltage, V | 25 | 34 | 40 | 48 |
| Welding current, A | 90-115 | 120-165 | 150-240 | 200-340 |
| N. Kg weld metal/kg electrodes | 0,64 | 0,68 | 0,68 | 0,65 |
| B. No. of electrodes/kg weld metal | 49 | 21 | 14 | 9 |
| H. Kg weld metal/hour arc time | 1,4 | 2,3 | 3,7 | 6,0 |
| T. Burn-off time, s/electrode | 52 | 76 | 72 | 66 |
| Weight of rods/box, kg | 3,2 | 7,2 | 11,0 | 16,8 |
| 品牌：瑞典伊萨 |
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