Atom Arc T

Specifications
Classifications	ASME SFA 5.5 : E11018M H4R AWS A5.5 : E11018M H4R
Approvals	ABS : AWS A5.5: E11018-M CWB : E7618-M-H4 MIL : MIL-11018-M QPL : 22200/1
Industry	Mobile Equipment Railcars Ship/Barge Building Bridge Construction Civil Construction Industrial and General Fabrication

Specifications

Classifications

ASME SFA 5.5 : E11018M H4R
AWS A5.5 : E11018M H4R

Approvals

ABS : AWS A5.5: E11018-M
CWB : E7618-M-H4
MIL : MIL-11018-M
QPL : 22200/1

Industry

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

Typical Tensile Properties
Stress Relieved 1 hour(s) 552 °C ( 1026 °F )	705 MPa ( 102 ksi )	770 MPa ( 112 ksi )	23 %
As Welded	718 MPa ( 104 ksi )	800 MPa ( 116 ksi )	21 %

Typical Tensile Properties

Condition

Yield Strength

Tensile Strength

Elongation

Stress Relieved
1 hour(s) 552 °C ( 1026 °F )

705 MPa ( 102 ksi )

770 MPa ( 112 ksi )

23 %

As Welded

718 MPa ( 104 ksi )

800 MPa ( 116 ksi )

21 %

Typical Charpy V-Notch Properties
Stress Relieved 1 hour(s) 552 °C ( 1026 °F )	-20 °C ( -4 °F )	68 J ( 50 ft-lb )
As Welded	-20 °C ( -4 °F )	75 J ( 56 ft-lb )
Stress Relieved 1 hour(s) 552 °C ( 1026 °F )	-40 °C ( -40 °F )	57 J ( 42 ft-lb )
As Welded	-40 °C ( -40 °F )	65 J ( 48 ft-lb )
Stress Relieved 1 hour(s) 552 °C ( 1026 °F )	-50 °C ( -58 °F )	34 J ( 25 ft-lb )
As Welded	-50 °C ( -58 °F )	74 J ( 55 ft-lb )

Typical Charpy V-Notch Properties

Condition

Testing Temperature

Impact Value

Stress Relieved
1 hour(s) 552 °C ( 1026 °F )

-20 °C ( -4 °F )

68 J ( 50 ft-lb )

As Welded

-20 °C ( -4 °F )

75 J ( 56 ft-lb )

Stress Relieved
1 hour(s) 552 °C ( 1026 °F )

-40 °C ( -40 °F )

57 J ( 42 ft-lb )

As Welded

-40 °C ( -40 °F )

65 J ( 48 ft-lb )

Stress Relieved
1 hour(s) 552 °C ( 1026 °F )

-50 °C ( -58 °F )

34 J ( 25 ft-lb )

As Welded

-50 °C ( -58 °F )

74 J ( 55 ft-lb )

Typical Weld Metal Analysis %
0.048	1.46	0.28	0.01	0.01	1.83	0.23	0.35	0.010	0.072	0.004

Typical Weld Metal Analysis %

0.048

1.46

0.28

0.01

1.83

0.23

0.35

0.010

0.072

0.004

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: 255111411

Product number: 255111825

Product number: 255111817

Product number: 255113128

Product number: 255113110

Product number: 255113326

Product number: 255113318

Product number: 255115321

Product number: 255115313

Product number: 255117319

Product number: 525113312

Product number: 525115317

Product number: 255113326-TST

Product number: 255113110-03

Product number: 525111811

Product number: 525113114

Product number: 255111817-03

Product number: 255111825-TST

Welding Current	AC, DC+
Diffusible Hydrogen	< 4.0 ml/100g
Alloy Type	Low alloyed (T-1 steel)

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Atom Arc T

Atom Arc T

Atom Arc T

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