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ESAB

OK 67.50

OK 67.50

OK 67.50 is an acid rutile coated type for welding of austenitic-ferritic stainless steels of CrNiMoN 22 5 3 - and CrNiN 23 4-types. The duplex all weld metal offers a high strength level combined with good ductility. The pitting corrosion resistance is good and the all weld metal is not sensitive for stress corrosion cracking.

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Specifications


Typical Tensile Properties

ISO As welded
Elongation Tensile Strength Yield Strength
25 % 857 MPa 691 MPa
AWS As welded
Elongation Tensile Strength Yield Strength
- - -

Charpy V-Notch Properties

ISO As welded
Impact Value Testing Temperature
50 J 20 °C
41 J -30 °C

Weld Metal Analysis

MnMoCSiFerrite FNNiNCr
0.8 %3.2 %0.03 %0.8 %42 %8.8 %0.16 %23.2 %

Approvals: ABS, Stainless*, (AWS A5.4 - E2209-17), BV, 2209, CE, EN 13479, CWB, CSA W48: E2209-17, DNV-GL, Duplex, RINA, 2209, Seproz, UNA 272580, VdTÜV, 04368
Classifications: EN ISO 3581-A, E 22 9 3 N L R 3 2, SFA/AWS A5.4, E2209-17, CSA W48, E2209-17, Werkstoffnummer, 1.4462

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


Alloy Type: Duplex CrNiMoN
Coating Type: Acid Rutile
Ferrite Content: FN 35-50
Welding Current: DC+, AC
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