OK 84.42
SMAW


Welding current, A
AC, DC+ OCV 70 V


ClassificationsApprovalsTypical all weld metal compositionTypical properties all weld metal
DIN 8555
E5-UM-45-R
C0,12
Si0,5
Mn<0,5
Cr13,0
Redrying temperature, C
200
Redrying time, hours
2
Recovery
110-115
Weld metal hardness, a w
39-45 HRC
Hardening temperature, C
950-1000
Hardening oil/air
Quenching medium
Soft annealing, C
780-800
Tempering resistance
TempC/1h.HRC 100.45 200.44 300.44 400.45 500.46 600.41 700.34
Machinability
By cemented carbide tools
Impact resistance
Very good
Abrasion resistance
Good
High temp. wear resistance
Very good
Corrosion resistance
Very good

Diameter, mm2,53,24,05,0
Length, mm 350 450 450 450
Arc voltage, V 22 24 25 31
Welding current, A 70-110 100-160 140-220 220-310
N. Kg weld metal/kg electrodes 0,57 0,60 0,60 0,62
B. No. of electrodes/kg weld metal 77,0 34,0 22,5 14,0
H. Kg weld metal/hour arc time 1,0 1,5 2,1 3,2
T. Burn-off time, secs/electrode 46 69 78 80

 

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