| |
OK 69.33
SMAW
Type Rutile-basic
OK 69.33 is a stainless steel electrode which deposits a fully austenitic weld metal with increased resistance to sulphuric acid. The weld metal of OK 69.33 also has good resistance to intergranular and pitting corrosion.
Welding current, A
AC, DC+ OCV 65 V
|
      |
| Classifications | Approvals | Typical all weld metal composition | Typical properties all weld metal | | EN 1600 | | E 20 25 5 Cu N L R 3 2 | | SFA/AWS A5.4 | | E385-16 | | Werkstoff Nr. | | 1.4519 |
| | Sepros | UNA 409820 | |
| VdTÜV | 02723 | |
| | C | <0,03 | | Si | 0,5 | | Mn | 1,3 | | Cr | 20,5 | | Ni | 25,5 | | Mo | 4,8 | | Cu | 1,6 |
| Redrying temperature, °C
250
Redrying time, hours
2
Recovery
115-120
Yield stress, MPa
400
Tensile strength, MPa
575
Elongation, %
35
Elongation, %
35
Ferrite content
FN 0
| Charpy V | | Test temps, °C | Impact values, J | | +20 | 80 | | -140 | 45 |
|
| Diameter, mm | 2,0 | 2,5 | 3,2 | 4,0 | 5,0 | | Length, mm | 300 | 300 | 350 | 350 | 350 | | Arc voltage, V | 23 | 24 | 27 | 29 | 31 | | Welding current, A | 40-60 | 60-85 | 85-130 | 120-180 | 160-240 | | N. Kg weld metal/kg electrodes | 0,58 | 0,60 | 0,58 | 0,51 | 0,51 | | B. No. of electrodes/kg weld metal | 125 | 91 | 41 | 30 | 19 | | H. Kg weld metal/hour arc time | 0,7 | 0,9 | 1,5 | 1,9 | 2,5 | | T. Burn-off time, secs/electrode | 40 | 44 | 60 | 64 | 78 |
|
|