LOW ALLOY
STICK ELECTRODES (SMAW)
Atom Arc 8018
Atom Arc 8018 electrodes deposit 1% Ni weld metal. They are used primarily to weld high-tensile steels in the 70-80 ksi (483-552 MPa) tensile strength range,
especially where notch toughness at temperatures as low as -40°F (-40°C) is required.
Specifications
Classifications ASME SFA 5.5 : E8018-C3H4R
AWS A5.5 : E8018-C3H4R
ASME SFA 5.1
Approvals ABS : 4Y(H5)
ABS : E8018-C3 (H4R)
CWB : E5518-C3-H4
LR : 4Y40 H10
MIL : MIL-8018-C3
Industry Pipeline
Bridge Construction
Power Generation
Ship/Barge Building
Mobile Equipment
Petrochemical
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 (1% Ni)
Typical Tensile Properties
Condition Yield Strength Tensile Strength Elongation
As Welded 510 MPa 600 MPa 28 %
Stress Relieved 485 MPa 560 MPa 30 %
8 hour(s) 621 °C
Typical Charpy V-Notch Properties
Condition Testing Temperature Impact Value
As Welded -29 °C 168 J
Stress Relieved -29 °C 175 J
8 hour(s) 621 °C
As Welded -40 °C 114 J
Stress Relieved -40 °C 156 J
8 hour(s) 621 °C
Typical Weld Metal Analysis %
C Mn Si S P Ni Cr Mo V Cu
0.045 1.08 0.31 0.01 0.01 0.91 0.06 0.12 0.009 0.139
Typical Weld Metal Analysis %
Nb
0.003
esab.com/fillermetals
LOW ALLOY
STICK ELECTRODES (SMAW)
Atom Arc 8018
Deposition Data
Diameter Current Voltage Efficiency (%) Fusion time per Deposition Rate
electrode at 90% I
max
0.0 x 457 mm 250-350 A 24.9 V 75.80 % 100 sec 3.28 kg/h
0.0 x 457 mm 300-400 A 25.5 V 77.06 % 103 sec 4.22 kg/h
2.4 x 356 mm 70-110 A 23.2 V 69.01 % 60 sec 0.92 kg/h
3.2 x 356 mm 90-160 A 23.9 V 72.23 % 70 sec 1.36 kg/h
4.0 x 356 mm 130-220 A 24.3 V 72.06 % 75 sec 1.89 kg/h
4.8 x 356 mm 200-300 A 24.3 V 71.04 % 74 sec 2.53 kg/h
esab.com/fillermetals
