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OK 68.55

OK 68.55

OK 68.55 is a basic coated electrode for welding austenitc-ferritic steels of the Super Duplex type, e. g. SAF 2507 and Zeron 100. OK 68.55 deposits a weld metal with high ductility.

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Typical Tensile Properties

ISO As welded
Elongation Tensile Strength Yield Strength
28 % 900 MPa 700 MPa

Charpy V-Notch Properties

ISO As welded
Impact Value Testing Temperature
90 J 20 °C
70 J -20 °C
55 J -40 °C
45 J -60 °C

Weld Metal Analysis

MnMoCSiFerrite FNNiNCr
0.9 %4.3 %0.03 %0.6 %45 %10.4 %0.23 %25.2 %

Approvals: DNV-GL, Duplex
Classifications: EN ISO 3581-A, E 25 9 4 N L B 4 2, SFA/AWS A5.4, E2594-15, Werkstoffnummer, (1.4410)

Approvals are based on factory location. Please contact ESAB for more information.

Alloy Type: Austenitic CrNiMo
Coating Type: Basic
Ferrite Content: FN 35-50
Welding Current: DC+