| |
OK 61.25
SMAW
Type Basic
OK 61.25 is a coated, stainless electrode of the 308H-type, especially designed for high temperature applications.
Welding current, A
DC+
|
      |
| Classifications | Approvals | Typical all weld metal composition | Typical properties all weld metal | | EN 1600 | | E 19 9 H B 2 2 | | SFA/AWS A5.4 | | E308H-15 |
| | | C | 0,07 | | Si | 0,5 | | Mn | 1,5 | | Cr | 19,0 | | Ni | 10,0 | | Mo | <0,5 | | Cu | <0,5 |
| Redrying temperature, °C
200
Redrying time, hours
2
Recovery
104
Yield stress, MPa
430
Tensile strength, MPa
600
Elongation, %
45
Elongation, %
45
Ferrite content
FN 2-5
| Charpy V | | Test temps, °C | Impact values, J | | +20 | 95 |
|
| Diameter, mm | 2,5 | 3,2 | 4,0 | | Length, mm | 300 | 350 | 350 | | Arc voltage, V | 23 | 23 | 24 | | Welding current, A | 55-85 | 75-110 | 100-155 | | N. Kg weld metal/kg electrodes | 0,62 | 0,59 | 0,61 | | B. No. of electrodes/kg weld metal | 93 | 49 | 32 | | H. Kg weld metal/hour arc time | 0,9 | 1,2 | 1,8 | | T. Burn-off time, secs/electrode | 47 | 66 | 68 |
|
|