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OK 74.70
SMAW
Welding current, A
DC+(-)
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| Classifications | Approvals | Typical all weld metal composition | Typical properties all weld metal | | SFA/AWS A5.5 | | E8018-G | | EN 499 | | E 50 4 MnMo B 42 H5 |
| | | Redrying temperature, °C
350
Redrying time, hours
2
Recovery
115%
Yield stress, MPa
540
Tensile strength, MPa
630
Elongation, %
26
Elongation, %
26
| Charpy V | | Test temps, °C | Impact values, J | | -20 | 110 | | -40 | 80 | | -60 | 50 |
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| Diameter, mm | 3,2 | 4,0 | 4,0 | 5,0 | | Length, mm | 350 | 350 | 450 | 450 | | Arc voltage, V | 23 | 23 | 24 | 23 | | Welding current, A | 80-140 | 90-190 | 90-190 | 150-250 | | N. Kg weld metal/kg electrodes | 0,58 | 0,61 | 0,63 | 0,65 | | B. No. of electrodes/kg weld metal | 50,0 | 31,6 | 23,4 | 15,0 | | H. Kg weld metal/hour arc time | 1,14 | 1,60 | 1,66 | 2,30 | | T. Burn-off time, secs/electrode | 63 | 71 | 93 | 102 |
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