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OK Femax 38.65
SMAW
Type Zirconium-basic
OK Femax 38.65 is a high-recovery LMA electrode, which gives a weld metal of high quality and very low content of hydrogen. OK Femax 38.65 is designed for welding of ordinary and high strength ships plate A, D and E qualities. When using AC, an open circuit voltage of 65 V is necessary.
Welding current, A
AC, DC+ OCV 65 V
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| Classifications | Approvals | Typical all weld metal composition | Typical properties all weld metal | | SFA/AWS A5.1 | | E7028 | | EN ISO 2560-A | | E 42 4 B 73 H5 |
| | ABS | 3H5, 3Y | |
| BV | 3Y HH | |
| DB | 10. 039.15 | |
| DNV | 3 YH10 | |
| GL | 3YH10 | |
| LR | 3, 3YH15 | |
| RINA | 3Y H10 | |
| Sepros | UNA 409819 | |
| Ü | 10.039/1 | |
| VdTÜV | 00635 | |
| CE | EN 13479 | |
| | C | 0,08 | | Si | 0,5 | | Mn | 1,1 | | P | ³0,03 | | S | ³0,03 | | Cr | ³0,1 | | Ni | ³0,1 | | Mo | ³0,06 | | V | ³0,03 | | Nb | ³0,02 | | Cu | ³0,10 | | Al | ³0,03 | | Sn | ³0,01 | | Ti | ³0,03 | | Pb | ³0,02 | | As | ³0,03 |
| Redrying temperature, °C
350
Redrying time, hours
2
Recovery
165%
Yield stress, MPa
430
Tensile strength, MPa
540
Elongation, %
26
Elongation, %
26
| Charpy V | | Test temps, °C | Impact values, J | | -20 | 110 | | -30 | 95 | | -40 | 65 | | -60 | 50 |
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| Diameter, mm | 5,0 | 3,2 | 4,0 | 5,0 | 6,0 | 7,0 | | Length, mm | 700 | 450 | 450 | 450 | 450 | 450 | | Arc voltage, V | - | 32 | 36 | 40 | 40 | 44 | | Welding current, A | 220-350 | 100-170 | 170-240 | 225-355 | 300-430 | 340-490 | | N. Kg weld metal/kg electrodes | - | 0,66 | 0,68 | 0,69 | 0,68 | 0,70 | | B. No. of electrodes/kg weld metal | - | 23,6 | 14,4 | 9,6 | 6,6 | 5,1 | | H. Kg weld metal/hour arc time | - | 2,3 | 3,7 | 5,7 | 7,2 | 8,5 | | T. Burn-off time, secs/electrode | - | 67 | 70 | 72 | 80 | 88 |
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