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ESAB

OK 68.53

OK 68.53

OK 68.53 is a coated electrode for welding austenitic-ferritic steels of Super Duplex types, e.g. SAF 2507 and Zeron 100. OK 68.53 has good welding characteristics in all positions and the slag is easily detachable.

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Specifications


Typical Tensile Properties

As welded
Elongation Tensile Strength Yield Strength
30 % 123 ksi 101.5 ksi

Typical Charpy V-Notch Properties

As welded
Impact Value Testing Temperature
37 ft-lb 68 °F
29.5 ft-lb -40 °F

Typical Weld Metal Analysis %

MoCSiFerrite FNNiNCr
4 %0.03 %0.6 %39 %10.3 %0.25 %25.2 %

Approvals: CE, EN 13479, DNV-GL, Duplex, VdTÜV, 07377
Classifications: EN ISO 3581-A, E 25 9 4 N L R 32, SFA/AWS A5.4, E2594-16, Werkstoffnummer, (1.4410)

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


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