| |
OK 85.58
SMAW
Welding current, A
AC, DC+ OCV 70 V
|
      |
| Classifications | Approvals | Typical all weld metal composition | Typical properties all weld metal | | | | C | 0,32 | | Si | 1,1 | | Mn | 1,0 | | Cr | 1,8 | | W | 8,0 | | Co | 2,0 | | Nb | 0,8 |
| Redrying temperature, °C
200
Redrying time, hours
2
Weld metal hardness, a w
42-50 HRC
Hardening temperature, °C
1100-1150
Hardening oil/air
Quenching medium
Tempering, °C/hours
650/0
Soft annealing, °C
850
Tempering resistance
Temp°C.HRC(1h)
100.51
200.51
300.52
400.53
500.53
550.55
600.53
650.45
700.35
Machinability
Grinding only
Abrasion resistance
Good
High temp. wear resistance
Very good
|
| Diameter, mm | 2,5 | 3,2 | 4,0 | 5,0 | | Length, mm | 350 | 350 | 350 | 350 | | Arc voltage, V | 22 | 23 | 23 | 25 | | Welding current, A | 70-110 | 100-150 | 130-190 | 180-250 | | N. Kg weld metal/kg electrodes | 0,65 | 0,63 | 0,63 | 0,66 | | B. No. of electrodes/kg weld metal | 72,0 | 45,0 | 29,5 | 18,0 | | H. Kg weld metal/hour arc time | 0,9 | 1,3 | 1,7 | 2,2 | | T. Burn-off time, secs/electrode | 53 | 62 | 75 | 88 |
|
|