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OK 61.85

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OK 61.85


SMAW
Type Basic

OK 61.85 is a basic coated, niobium stabilised electrode of the E347-type, specially designed for welding niobium- or titanium-stabilised steels. OK 61.85 has outstanding welding properties in the vertical and overhead positions, making it suitable for pipewelding, for example.
Welding current
DC+



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ClassificationsApprovalsTypical all weld metal composition, %Typical mech. properties all weld metal
EN ISO 3581-A.
E 19 9 Nb B 2 2
SFA/AWS A5.4
E347-15
Werkstoff Nr.
1.4551
SeprosUNA 272580
VdTV05663
C<0,07
Si0,5
Mn1,7
Cr19,5
Ni10,0
Mo<0,3
Nb<1,0
Cu<0,3
Nb+
Ta1,00
Yield stress, MPa
500
Tensile strength, MPa
620
Elongation, %
40
Elongation, %
40
Ferrite content
FN 6-12
Charpy V
Test temps, CImpact values, J
+20100
-6070
-120>32
Redrying temperature, C
200
Redrying time, hours
2
Recovery
100

Diameter, mm2,53,24,0
Length, mm 300 350 350
Arc voltage, V 25 23,3 23,5
Welding current, A 55-85 75-110 110-150
N. Kg weld metal/kg electrodes 0,60 0,62 0,61
B. No. of electrodes/kg weld metal 98 49 33
H. Kg weld metal/hour arc time 0,9 1,2 1,6
T. Burn-off time, s/electrode 42 64 70

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