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ESAB

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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Specifications


Typical Tensile Properties

As welded
Elongation Tensile Strength Yield Strength
32 % 88.5 ksi 74 ksi

Typical Charpy V-Notch Properties

As welded
Impact Value Testing Temperature
37 ft-lb 68 °F
26 ft-lb -4 °F

Typical Weld Metal Analysis %

ELEMENTVALUES
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
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