Atom Arc 7018-MO

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Atom Arc 7018-MO

Atom Arc 7018-Mo electrodes contain 1/2% Mo as alloy addition. They are recommended for welding low-alloy, high tensile steels of 50 ksi (345 MPa) minimum yield strength and also 1/2% Molybdenum steels and pipes. They are widely employed in the fabrication and erection of boilers, pressure piping and tubing and other pressure vessel applications.

Atom Arc 7018-MO

Where To Buy Request Information

Industries

Mobile Equipment
Power Generation
Civil Construction
Industrial and General Fabrication

Process

SMAW/MMA (Stick)

Specifications

Specifications
Classifications	ASME SFA 5.5 : E7018-A1H4R AWS A5.5 : E7018-A1H4R
Approvals	ABS : E7018-A1
Industry	Mobile Equipment Power Generation Civil Construction Industrial and General Fabrication

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

Welding Current	AC, DC+
Diffusible Hydrogen	< 4.0 ml/100g
Alloy Type	Low alloyed (0.5% Mo)

Typical Tensile Properties
Condition	Yield Strength	Tensile Strength	Elongation
Stress Relieved 20 hour(s) 620 °C ( 1148 °F )	504 MPa ( 73 ksi )	587 MPa ( 85 ksi )	29 %
Stress Relieved 1 hour(s) 620 °C ( 1148 °F )	520 MPa ( 75 ksi )	607 MPa ( 88 ksi )	31 %
As Welded	530 MPa ( 77 ksi )	600 MPa ( 87 ksi )	27 %
Stress Relieved 8 hour(s) 620 °C ( 1148 °F )	524 MPa ( 76 ksi )	607 MPa ( 88 ksi )	28 %

Typical Charpy V-Notch Properties
Condition	Testing Temperature	Impact Value
Stress Relieved	15 °C ( 59 °F )	203 J ( 150 ft-lb )
Stress Relieved	10 °C ( 50 °F )	183 J ( 135 ft-lb )
Stress Relieved	0 °C ( 32 °F )	146 J ( 108 ft-lb )
Stress Relieved	-30 °C ( -22 °F )	94 J ( 70 ft-lb )

Typical Weld Metal Analysis %
C	Mn	Si	S	P	Mo
0.04	0.80	0.40	0.01	0.012	0.55

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 )
5.6 x 350 mm ( 7/32 x 13.8 in. )	250-350 A	-	75 %	-	2.9 kg/h ( 6.4 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 )

Ordering

Description

Product number

Product number: 255021412

Product number: 255021826

Product number: 255021818

Product number: 255023111

Product number: 255023327

Product number: 255023319

Product number: 255025322

Product number: 255025314

Product number: 255027310

Documents

Fact Sheets

Atom Arc 7018-MO

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1.800.ESAB.123

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Atom Arc 7018-MO

Atom Arc 7018-MO

Atom Arc 7018-MO

Specifications

Ordering

Documents

Fact Sheets

Additional Documents

Need Product Help?

Product information and support line: