Mã sản phẩm: E2594-15-2.5

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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
ElongationTensile StrengthYield Strength
28 %900 MPa700 MPa

Typical Charpy V-Notch Properties

ISO As welded
Impact ValueTesting Temperature
90 J20 °C
70 J-20 °C
55 J-40 °C
45 J-60 °C

Typical Weld Metal Analysis %

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

Deposition Data

DiameterCurrentDeposition RateFusion time per electrode at 90% I maxkg weld metal/kg electrodesNumber of electrodes/kg weld metalVoltage
2.5 x 300 mm50-80 A0.8 kg/h48 sec0.62 kg9323 V
4.0 x 350 mm100-140 A1.6 kg/h70 sec0.62 kg3223 V
3.2 x 350 mm60-100 A1.1 kg/h68 sec0.63 kg4623 V

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+