| |
OK 67.20
SMAW
Welding current, A
DC+, AC OCV 50 V
|
      |
| Classifications | Approvals | Typical all weld metal composition | Typical properties all weld metal | | EN 1600 | | E 23 12 2 L R 1 1 | | SFA/AWS A5.4 | | (E309MoL-16) | | Werkstoff Nr. | | 1.4459 |
| | | C | <0,03 | | Si | 1,0 | | Mn | 1,0 | | Cr | 23,0 | | Ni | 13,0 | | Mo | 2,8 | | Cu | <0,5 |
| Redrying temperature, °C
250
Redrying time, hours
2
Recovery
105
Yield stress, MPa
480
Tensile strength, MPa
640
Elongation, %
35
Elongation, %
35
Ferrite content
FN 12-20
| Charpy V | | Test temps, °C | Impact values, J | | +20 | 60 |
|
| Diameter, mm | 2,0 | 2,5 | 3,2 | | Length, mm | 300 | 300 | 350 | | Arc voltage, V | 25 | 25 | 26 | | Welding current, A | 30-60 | 50-80 | 75-110 | | N. Kg weld metal/kg electrodes | 0,63 | 0,66 | 0,59 | | B. No. of electrodes/kg weld metal | 151 | 91 | 48 | | H. Kg weld metal/hour arc time | 0,7 | 1,1 | 1,4 | | T. Burn-off time, secs/electrode | 32 | 37 | 55 |
|
|