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OK 67.70

OK 67.70

Acid rutile MMA-electrode giving an over alloyed weld metal. Suitable for welding acid resistant stainless steels to mild and low alloyed steels. Also suitable for welding buffer layers when surfacing mild steel with acid resistant stainless steel weld metal.

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Typical Tensile Properties

ISO As welded
Elongation Tensile Strength Yield Strength
32 % 610 MPa 510 MPa
AWS As welded
Elongation Tensile Strength Yield Strength
- - -

Charpy V-Notch Properties

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

Weld Metal Analysis

MnMoCSiFerrite FNNiNCr
0.6 %2.8 %0.02 %0.8 %18 %13.4 %0.09 %22.5 %

Approvals: ABS; SS to C&C/Mn steels; BV; 309Mo; CE; EN 13479; CWB; CSA W48: E309LMo-17; DB; 30.039.05; DNV-GL; VL 309 Mo; LR; SS/CMn; RINA; 309Mo; Seproz; UNA 272580; VdTÜV; 02424
Classifications: EN ISO 3581-A; E 23 12 2 L R 3 2; SFA/AWS A5.4; E309LMo-17; CSA W48; E309LMo-17; Werkstoffnummer; 1.4459

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

Alloy Type: Austenitic CrNi
Coating Type: Acid Rutile
Ferrite Content: FN 12-22
Welding Current: DC+, AC