OK 85.58
SMAW


Welding current, A
AC, DC+ OCV 70 V


ClassificationsApprovalsTypical all weld metal compositionTypical properties all weld metal
DIN 8555
E3-UM-50-ST
C0,32
Si1,1
Mn1,0
Cr1,8
W8,0
Co2,0
Nb0,8
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
TempC.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, mm2,53,24,05,0
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

 

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