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瑞典伊萨耐磨药芯焊丝 堆焊焊丝OK Tubrodur 30 O M (formerly OK Tubrodur 15.41) FCAW Type Basic OK Tubrodur 30 O M is a self-shielded, flux-cored wire for semi-automatic hardfacing, producing a chromium-manganese-alloyed weld metal with a hardness of 28-36 HRC. It is ideal for the on-site rebuilding of rollers, shafts, wheels and worn parts of CMn railway tracks, point frogs and so on. Welding current DC+ |
| Classificati*** | Approvals | Typical all weld metal composition, % | Typical mech. properties all weld metal | ||||||||||||||||
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Weld metal hardness, a w 28-36 HRC Machinability Good Impact resistance Good Metal-to-metal wear resistance Very good |
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| Diameter, mm | 1,6 | 2,4 |
| Arc voltage, V | 25-36 | 26-40 |
| Welding current, A | 150-300 | 250-550 |
| H. Kg weld metal/hour arc time | 2.4-6.8 | 2.4-6.8 |
| Wire feed, m/min | 5.0-12.6 | 2.5-9.0 |