OK 94.25
SMAW


Welding current, A
DC+


ClassificationsApprovalsTypical all weld metal compositionTypical properties all weld metal
DIN 1733
EL-CuSn7
SeprosUNA 409820
Mn<0,5
P<0,1
Cu92,5
Sn7,0
Fe<0,2
Redrying temperature, C
300
Redrying time, hours
2
Recovery
95
Yield stress, MPa
235
Tensile strength, MPa
330-390
Elongation, %
25
Elongation, %
25
Weld metal hardness, a w
95 HB
Machinability
Good
Charpy V
Test temps, CImpact values, J
+2025
020

Diameter, mm2,53,24,0
Length, mm 350 350 350
Arc voltage, V 22 24 25
Welding current, A 60-90 90-125 125-170
N. Kg weld metal/kg electrodes 0,71 0,72 0,74
B. No. of electrodes/kg weld metal 77,0 46,0 30,5
H. Kg weld metal/hour arc time 1,2 1,9 2,9
T. Burn-off time, secs/electrode 39 40 41

 

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