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ESAB

OK 68.15

OK 68.15

OK 68.15 is a stainless-steel electrode which deposits a ferritic 13Cr weld metal. OK 68.15 is designed for welding steels of similar composition, when CrNi-alloyed austenitic stainless steel electrodes cannot be used, e.g. when the structure is going to be exposed to aggressive sulphuric gases. Depending on the welding parameters, the structure and consequently the mechanical properties of untreated weld metal can vary within fairly large limits.

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Specifications


Typical Tensile Properties

AWS Stress relieved
Stress Relieved Temperature Stress Relieved Testing Time Elongation Tensile Strength Yield Strength
750 °C 6 hr - - -
750 °C 1 hr 25 % 520 MPa 370 MPa

Charpy V-Notch Properties

AWS Stress relieved
Impact Value Stress Relieved Testing Temp Stress Relieved Testing Time Testing Temperature
55 J 750 °C 6 hr 20 °C
35 J 750 °C 6 hr 0 °C
20 J 750 °C 6 hr -20 °C

Weld Metal Analysis

MnCSiNiCr
0.3 %0.04 %0.4 %0.1 %12.9 %

Approvals: Seproz, UNA 272580
Classifications: EN 14700, E Fe7, EN ISO 3581-A, E 13 B 4 2, SFA/AWS A5.4, E410-15, Werkstoffnummer, 1.4009

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


Alloy Type: 13% Cr
Coating Type: Lime Basic
Welding Current: DC+
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