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OK 67.55
SMAW
Welding current, A
DC+
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| Classifications | Approvals | Typical all weld metal composition | Typical properties all weld metal | | EN 1600 | | E 22 9 3 N L B 2 2 | | SFA/AWS A5.4 | | E2209-15 | | Werkstoff Nr. | | 1.4462 |
| | DNV | For duplex SS | |
| Sepros | UNA 409820 | |
| VdTÜV | 06774 | |
| | C | <0,04 | | Si | 0,5 | | Mn | 0,9 | | Cr | 22,5 | | Ni | 9,3 | | Mo | 3,0 | | N | 0,15 |
| Redrying temperature, °C
200
Redrying time, hours
2
Recovery
102-106
Yield stress, MPa
650
Tensile strength, MPa
800
Elongation, %
28
Elongation, %
28
Ferrite content
FN 35-50
| Charpy V | | Test temps, °C | Impact values, J | | +20 | 100 | | -20 | 85 | | -40 | 75 | | -60 | 65 |
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| Diameter, mm | 2,5 | 3,2 | 4,0 | | Length, mm | 300 | 350 | 350 | | Arc voltage, V | 21 | 21 | 21 | | Welding current, A | 50-80 | 60-100 | 100-140 | | N. Kg weld metal/kg electrodes | 0,58 | 0,58 | 0,58 | | B. No. of electrodes/kg weld metal | 98 | 50 | 32 | | H. Kg weld metal/hour arc time | 0,8 | 1,0 | 1,5 | | T. Burn-off time, secs/electrode | 46 | 71 | 74 |
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