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OK 67.60
SMAW
Type Rutile-acid
OK 67.60 is an over-alloyed stainless electrode for welding stainless to mild steel and low-alloy steel, for surfacing of mild steel and for welding the root runs in clad steel. The electrode has excellent weldability in all positions except vertical down, on as well AC as DC.
Welding current, A
DC+, AC OCV 55 V
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| Classifications | Approvals | Typical all weld metal composition | Typical properties all weld metal | | EN 1600 | | E 23 12 L R 3 2 | | SFA/AWS A5.4 | | E309L-17 | | Werkstoff Nr. | | 1.4332 | | CSA W48 | | E309L-17 |
| | CWB | CSA W48 | |
| Sepros | UNA 409820 | |
| VdTÜV | 00898 | |
| CE | EN 13479 | |
| | C | <0,03 | | Si | 0,7 | | Mn | 0,9 | | Cr | 24,0 | | Ni | 13,0 | | Mo | <0,3 | | Cu | <0,3 |
| Redrying temperature, °C
350
Redrying time, hours
2
Recovery
115
Yield stress, MPa
470
Tensile strength, MPa
580
Elongation, %
32
Elongation, %
32
Ferrite content
FN 12-22
| Charpy V | | Test temps, °C | Impact values, J | | +20 | 50 | | -10 | 40 |
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| Diameter, mm | 2,0 | 2,5 | 3,2 | 4,0 | 4,0 | 5,0 | | Length, mm | 300 | 300 | 350 | 350 | 450 | 350 | | Arc voltage, V | 27 | 28 | 29 | 31 | 31 | 32 | | Welding current, A | 45-65 | 45-90 | 65-120 | 85-180 | 85-170 | 110-250 | | N. Kg weld metal/kg electrodes | 0,60 | 0,60 | 0,60 | 0,60 | 0,60 | 0,60 | | B. No. of electrodes/kg weld metal | 136 | 85 | 45 | 29 | 23 | 19 | | H. Kg weld metal/hour arc time | 0,7 | 1,1 | 1,6 | 2,5 | 2,5 | 3,3 | | T. Burn-off time, secs/electrode | 38 | 38 | 51 | 51 | 65 | 58 |
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