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OK 68.25
SMAW
Welding current, A
DC+
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| Classifications | Approvals | Typical all weld metal composition | Typical properties all weld metal | | EN 1600 | | E 13 4 B 4 2 | | SFA/AWS A5.4 | | E410NiMo-15 | | Werkstoff Nr. | | 1.4351 |
| | | C | <0,04 | | Si | 0,5 | | Mn | 0,8 | | Cr | 12,0 | | Ni | 4,5 | | Mo | 0,6 |
| Redrying temperature, °C
350
Redrying time, hours
2
Recovery
113-121
Yield stress, MPa
680 (PWHT 600ºC/8h)
Tensile strength, MPa
880
Elongation, %
17
Elongation, %
17
Tempering resistance
As welded-39HRC
600ºC/8h-28HRC
| Charpy V | | Test temps, °C | Impact values, J | | +20 | 60 | | 0 | 56 | | -20 | 53 |
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| Diameter, mm | 3,2 | 4,0 | 5,0 | | Length, mm | 450 | 450 | 450 | | Arc voltage, V | 28 | 28 | 27 | | Welding current, A | 90-150 | 110-190 | 140-250 | | N. Kg weld metal/kg electrodes | 0,64 | 0,66 | 0,67 | | B. No. of electrodes/kg weld metal | 34,5 | 21,6 | 13,7 | | H. Kg weld metal/hour arc time | 1,6 | 2,2 | 3,1 | | T. Burn-off time, secs/electrode | 63 | 73 | 86 |
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