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OK 67.71
SMAW
Welding current, A
DC+, AC OCV 70 V
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| Classifications | Approvals | Typical all weld metal composition | Typical properties all weld metal | | EN 1600 | | E 23 12 2 L R 5 3 | | SFA/AWS A5.4 | | E309MoL-17 | | Werkstoff Nr. | | 1.4459 |
| | DNV | 309 Mo | |
| SS | EN 1600 | |
| VdTÜV | 02484 | |
| | C | <0,04 | | Si | 0,7 | | Mn | 0,9 | | Cr | 23,0 | | Ni | 13,0 | | Mo | 2,8 | | Cu | <0,2 |
| Redrying temperature, °C
350
Redrying time, hours
2
Recovery
150%
Yield stress, MPa
500
Tensile strength, MPa
620
Elongation, %
35
Elongation, %
35
Ferrite content
FN 12-22
| Charpy V | | Test temps, °C | Impact values, J | | +20 | 55 | | -60 | 30 |
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| Diameter, mm | 3,2 | 4,0 | 5,0 | | Length, mm | 350 | 450 | 450 | | Arc voltage, V | 34 | 36 | 40 | | Welding current, A | 80-130 | 110-170 | 170-230 | | N. Kg weld metal/kg electrodes | 0,61 | 0,61 | 0,63 | | B. No. of electrodes/kg weld metal | 35,0 | 17,5 | 11,0 | | H. Kg weld metal/hour arc time | 2,2 | 3,0 | 4,3 | | T. Burn-off time, secs/electrode | 47 | 71 | 79 |
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