Atom Arc 12018

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Atom Arc 12018

Atom Arc 12018 is recommended for use in fabrication of low-alloy, high tensile steels where welds of 120 ksi (830 MPa) minimum tensile strength are required. Atom Arc 12018 is typically used to weld forging, casting plate and pressure vessels.

Atom Arc 12018

Where To Buy Request Information

Industries

Mobile Equipment
Railcars
Automotive
Industrial and General Fabrication

Process

SMAW/MMA (Stick)

Specifications

Specifications
Classifications	ASME SFA 5.5 : E12018M H4R AWS A5.5 : E12018M H4R
Industry	Mobile Equipment Railcars Automotive Industrial and General Fabrication

Welding Current	AC, DC+
Diffusible Hydrogen	< 4.0 ml/100g
Alloy Type	Low alloyed (1.7% Ni - 0.6% Cr - 0.23% Mo)

Typical Tensile Properties
Condition	Yield Strength	Tensile Strength	Elongation
Stress Relieved 1 hour(s) 740 °C ( 1364 °F )	808 MPa ( 117 ksi )	898 MPa ( 130 ksi )	21 %
As Welded	830 MPa ( 120 ksi )	920 MPa ( 133 ksi )	18 %

Typical Charpy V-Notch Properties
Condition	Testing Temperature	Impact Value
Stress Relieved 1 hour(s) 740 °C ( 1364 °F )	-50 °C ( -58 °F )	53 J ( 39 ft-lb )
As Welded	-51 °C ( -60 °F )	35 J ( 26 ft-lb )

Typical Weld Metal Analysis %
C	Mn	Si	S	P	Ni	Cr	Mo	V	Cu	Nb
0.047	1.88	0.35	0.01	0.01	1.94	0.63	0.23	0.010	0.092	0.005

Deposition Data
Diameter	Current	Voltage	Deposition Efficiency (%)	Burn-off Time/Electrode	Deposition Rate @ 90% I max
2.4 x 356 mm ( 3/32 x 14.0 in. )	70-110 A	23.2 V	69.01 %	60 sec	0.92 kg/h ( 2.0 lbs/h )
3.2 x 356 mm ( 1/8 x 14.0 in. )	90-160 A	23.9 V	72.23 %	70 sec	1.36 kg/h ( 3.0 lbs/h )
4.0 x 356 mm ( 5/32 x 14.0 in. )	130-220 A	24.3 V	72.06 %	75 sec	1.89 kg/h ( 4.2 lbs/h )
4.8 x 356 mm ( 3/16 x 14.0 in. )	200-300 A	24.3 V	71.04 %	74 sec	2.53 kg/h ( 5.6 lbs/h )
6.4 x 457 mm ( 1/4 x 18.0 in. )	300-400 A	25.5 V	77.06 %	103 sec	4.22 kg/h ( 9.3 lbs/h )

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Description

Product number

Product number: 255101412

Product number: 255101818

Product number: 255103111

Product number: 255105314

Product number: 525101416

Product number: 525101812

Product number: 525103115

Product number: 525105318

Documents

Fact Sheets

Atom Arc 12018

Additional Documents

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1.800.ESAB.123

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Atom Arc 12018

Atom Arc 12018

Atom Arc 12018

Specifications

Ordering

Documents

Fact Sheets

Additional Documents

Need Product Help?

Product information and support line: