Atom Arc 7018-1

Specifications
Classifications	ASME SFA 5.1 : E7018-1H4R AWS A5.1 : E7018-1H4R
Approvals	ABS : 3Y(H5) ABS : E7018-1 (H4R) CWB : E4918-1-H4 DNV-GL : 3 YH5 LR : 3Y, H10
Industry	Mobile Equipment Railcars Automotive Civil Construction Industrial and General Fabrication

Specifications

Classifications

ASME SFA 5.1 : E7018-1H4R
AWS A5.1 : E7018-1H4R

Approvals

ABS : 3Y(H5)
ABS : E7018-1 (H4R)
CWB : E4918-1-H4
DNV-GL : 3 YH5
LR : 3Y, H10

Industry

Mobile Equipment
Railcars
Automotive
Civil Construction
Industrial and General Fabrication

Typical Tensile Properties
As Welded	467 MPa ( 68 ksi )	551 MPa ( 80 ksi )	30 %
Stress Relieved 8 hour(s) 621 °C ( 1150 °F )	415 MPa ( 60 ksi )	510 MPa ( 74 ksi )	33 %

Typical Tensile Properties

Condition

Yield Strength

Tensile Strength

Elongation

As Welded

467 MPa ( 68 ksi )

551 MPa ( 80 ksi )

30 %

Stress Relieved
8 hour(s) 621 °C ( 1150 °F )

415 MPa ( 60 ksi )

510 MPa ( 74 ksi )

33 %

Typical Charpy V-Notch Properties
As Welded	-46 °C ( -51 °F )	123 J ( 91 ft-lb )
Stress Relieved 8 hour(s) 621 °C ( 1150 °F )	-46 °C ( -51 °F )	224 J ( 166 ft-lb )

Typical Charpy V-Notch Properties

Condition

Testing Temperature

Impact Value

As Welded

-46 °C ( -51 °F )

123 J ( 91 ft-lb )

Stress Relieved
8 hour(s) 621 °C ( 1150 °F )

-46 °C ( -51 °F )

224 J ( 166 ft-lb )

Typical Weld Metal Analysis %
0.04	1.30	0.30	0.015	0.014

Typical Weld Metal Analysis %

0.04

1.30

0.30

0.015

0.014

Deposition Data
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 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 )

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 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 )

Ordering

Description

Product number

Product number: 255011447

Product number: 255011850

Product number: 255011843

Product number: 255013146

Product number: 255013351

Product number: 255013344

Product number: 255015356

Product number: 255015349

Product number: 255017345

Product number: 525011847

Product number: 525017349

Product number: 525013348

Product number: 255013153

Product number: 525015343

Product number: 525013146

Welding Current	AC, DC+
Diffusible Hydrogen	< 4.0 ml/100g
Alloy Type	Carbon Manganese

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Atom Arc 7018-1

Atom Arc 7018-1

Atom Arc 7018-1

Features & Benefits

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