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OK Autrod 12.56

A copper coated, G3Si1 solid wire for GMAW of all general structural and engineering unalloyed and low-alloyed carbon-manganese steels. Compared with OK Autrod 12.51, OK Autrod 12.56 has a slightly wider chemical analysis. The electrode may be welded with either a gas mixture or with pure CO2 as the shielding gas.

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Specifications
Classifications	EN ISO 14341-A : G 38 2 C1 3Si1 EN ISO 14341-A : G 42 3 M21 3Si1 EN ISO 14341-A : G 3Si1
Approvals	CE : EN 13479 DB : 42.039.01 UKCA : EN 13479 VdTÜV : 05682

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

Alloy Type	Carbon-manganese steel (Mn/Si-alloyed)
Shielding Gas	M20, M21, C1 (EN ISO 14175)

Tensile_Properties
Testing Condition	Yield Strength	Tensile Strength	Elongation
EN 80Ar/20CO2 (M21)
As Welded	450 MPa	530 MPa	26 %
EN CO2 (C1)
As Welded	430 MPa	520 MPa	25 %

Charpy Testing
Testing Condition	Testing Temp	Impact Value
EN 80Ar/20CO2 (M21)
As Welded	20 °C	130 J
As Welded	-20 °C	90 J
As Welded	-30 °C	70 J
EN CO2 (C1)
As Welded	20 °C	110 J
As Welded	-20 °C	70 J

Typical Weld Metal Analysis %
C	Mn	Si	S	P
80Ar/20CO2 (M21)
0.06	1.06	0.72	0.012	0.013
CO2 (C1)
0.05	0.89	0.63	0.012	0.013

Typical Wire Composition %
C	Mn	Si

0.078	1.46	0.85

Deposition Data
Diameter	Amps	Volts	Wire Feed Speed	Deposition Rate
0.8 mm	60-200 A	18-24 V	3.2-13.0 m/min	0.8-3.0 kg/h
1.0 mm	80-250 A	18-30 V	2.7-15.0 m/min	1.0-5.6 kg/h
1.2 mm	120-300 A	18-34 V	2.3-15.0 m/min	1.3-8.0 kg/h
1.6 mm	225-550 A	28-38 V	2.3-12.0 m/min	2.1-11.4 kg/h

Description	Product Number
OK Autrod 12.56 0.8mm 15kg	1256087700
OK Autrod 12.56 1.0mm 18kg	1256107710
OK Autrod 12.56 1.2mm 18kg	1256127710

Fact Sheets

OK Autrod 12.56

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MIG Wires with Optimized Chemistry

Optimized chemistry for less post-weld rework make ESAB mild steel and low alloy MIG wires a good choice for overall cost of ownership.

Choose from a Family of Drum Sizes

Marathon Pac is ESAB's unique cardboard bulk drum system, available for a wide range of MIG wire grades. A complete family of drum sizes offers a solution for any kind of fabrication – from small workshops to large-scale manufacturing. Our largest drum is designed with reinforced corners and lifting straps for the most durable bulk wire drum package anywhere.

Excellent Feeding Performance

From mild steel to low alloy wires, ESAB MIG wires provide excellent feeding performance for high speed welding and long feeding distances.

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OK Autrod 12.56

Highlights

Process

Fact Sheets

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