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ESAB

OK Autrod 12.66


OK Autrod 12.66 is a copper-coated Mn-Si-alloyed solid wire designed for the mechanised downhill GMAW of pipelines in materials such as API 5L grade 52 to 70. The main application areas are pipelines, compressor stations and associated work in the oil and gas industries. This is an EN 440 G4Si1 type with an improved impurity level to meet the special requirements of this industry. It is supplied on 1 and 5 kg wire spools for use on mechanised pipe welding systems. The wire can be used with both Ar/CO2 mixed gas and pure CO2 shielding gas.

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Specifications


Typical Tensile Properties

EN 80Ar/20CO2 (M21) As welded
Elongation Tensile Strength Yield Strength
26 % 600 MPa 545 MPa
EN CO2 (C1) As welded
Elongation Tensile Strength Yield Strength
25 % 575 MPa -
AWS CO2 (C1) As welded
Elongation Tensile Strength Yield Strength
- - 400 MPa

Charpy V-Notch Properties

EN 80Ar/20CO2 (M21) As welded
Impact Value Testing Temperature
140 J 20 °C
100 J -20 °C
80 J -30 °C
EN CO2 (C1) As welded
Impact Value Testing Temperature
120 J 20 °C
80 J -20 °C
AWS CO2 (C1) As welded
Impact Value Testing Temperature
- -29 °C

Approvals: NAKS/HAKC, RS, 3YM (C1 and 70CO2+30Ar), 3YM M31, VdTÜV, 10035
Classifications: EN ISO 636-A, W 46 3 W4Si1, Weld Metal, EN ISO 14341-A, G 42 2 C1 4Si1, Weld Metal, EN ISO 14341-A, G 46 3 M21 4Si1, Weld Metal, EN ISO 636-A, W4Si1, Wire Electrode, EN ISO 14341-A, G 4Si1, Wire Electrode, SFA/AWS A5.18, ER70S-6, Wire Electrode

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


Alloy Type: Carbon-manganese steel (Mn/Si-alloyed)
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