Atom Arc 7018

Atom Arc 7018 is an all-position low hydrogen moisture resistant electrode with a deep, penetrating arc. This premium quality electrode meets a multitude of codes and welding specifications. Atom Arc 7018 was developed to weld carbon and low-alloy steels, including a variety of hardenable steels.

Atom Arc 7018

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Industries

Mobile Equipment
Railcars
Automotive
Ship/Barge Building
Bridge Construction
Civil Construction
Industrial and General Fabrication

Process

SMAW/MMA (Stick)

All Position Low Hydrogen Electrode

ESAB is one of the leading manufacturers of welding consumables. ESAB’s low hydrogen premium quality electrodes provide superior weldability with a deep, penetrating arc. Capable of welding carbon and low-alloy steels, including a variety of hardenable steels. These electrodes are manufactured in adherence to multitude of codes and welding specifications to meet high quality standards.

Specifications

Specifications
Classifications	ASME SFA 5.1 : E7018 H4R AWS A5.1 : E7018 H4R
Approvals	ABS : 3Y(H5) ABS : E7018 (H4R) CWB : E4918-H4 DNV-GL : 3 YH10 LR : 3Y H10 MIL : MIL-7018M
Industry	Mobile Equipment Railcars Automotive Ship/Barge Building Bridge Construction 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	Carbon Manganese

Typical Tensile Properties
Condition	Yield Strength	Tensile Strength	Elongation
As Welded	469 MPa ( 68 ksi )	563 MPa ( 82 ksi )	32 %
Stress Relieved 8 hour(s) 621 °C ( 1150 °F )	395 MPa ( 57 ksi )	485 MPa ( 70 ksi )	33 %

Typical Charpy V-Notch Properties
Condition	Testing Temperature	Impact Value
Stress Relieved 8 hour(s) 621 °C ( 1150 °F )	-29 °C ( -20 °F )	260 J ( 192 ft-lb )
As Welded	-30 °C ( -22 °F )	198 J ( 147 ft-lb )

Typical Weld Metal Analysis %
C	Mn	Si	S	P
0.045	1.10	0.40	0.014	0.015

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 )
4.0 x 450 mm ( 5/32 x 17.7 in. )	130-220 A	-	73.5 %	-	1.7 kg/h ( 3.7 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 457 mm ( 7/32 x 18.0 in. )	250-350 A	24.9 V	75.80 %	100 sec	3.28 kg/h ( 7.2 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: 255011413

Product number: 255011819

Product number: 255013112

Product number: 255013310

Product number: 255015315

Product number: 255017311

Product number: 255011823

Product number: 525013116

Product number: 525017315

Product number: 525013314

Product number: 525015319

Product number: 525011813

Documents

Fact Sheets

Atom Arc 7018

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1.800.ESAB.123

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Atom Arc 7018

Atom Arc 7018

Atom Arc 7018

Features & Benefits

All Position Low Hydrogen Electrode

Specifications

Ordering

Documents

Fact Sheets

Additional Documents

Need Product Help?

Product information and support line: