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OK 61.81
SMAW
Welding current, A
DC+, AC OCV 60 V
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| Classifications | Approvals | Typical all weld metal composition | Typical properties all weld metal | | SFA/AWS A5.4 | | E347-16 | | EN 1600 | | E 19 9 Nb R 3 2 | | Werkstoff Nr. | | 1.4551 |
| | | C | 0,06 | | Si | 0,7 | | Mn | 1,6 | | Cr | 20,0 | | Ni | 10,0 | | Mo | <0,3 | | Nb | <1,0 | | Cu | <0,3 |
| Redrying temperature, °C
350
Redrying time, hours
2
Recovery
105-110
Yield stress, MPa
560
Tensile strength, MPa
700
Elongation, %
31
Elongation, %
31
Ferrite content
FN 6-12
| Charpy V | | Test temps, °C | Impact values, J | | +20 | 60 | | |
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| Diameter, mm | 2,0 | 2,5 | 3,2 | 4,0 | 5,0 | | Length, mm | 300 | 300 | 350 | 350 | 350 | | Arc voltage, V | 26,2 | 28,8 | 23 | 24 | 25 | | Welding current, A | 40-60 | 50-80 | 75-115 | 110-160 | 140-210 | | N. Kg weld metal/kg electrodes | 0,60 | 0,59 | 0,60 | 0,60 | 0,60 | | B. No. of electrodes/kg weld metal | 147 | 82 | 44 | 32 | 20 | | H. Kg weld metal/hour arc time | 0,6 | 1,2 | 1,2 | 1,7 | 2,3 | | T. Burn-off time, secs/electrode | 39 | 36 | 66 | 66 | 78 |
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