Atom Arc 8018

ESAB

Atom Arc 8018

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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.

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Industries

  • Bridge Construction
  • Industrial and General Fabrication
  • Mobile Equipment
  • Petrochemical
  • Pipeline
  • Power Generation
  • Ship/Barge Building

Welding Process

  • SMAW/MMA (Stick)

Typical Charpy V-Notch Properties

Impact Value Testing Temperature
as welded
168 J (124 ft-lb) -29 degC (-20 degF)
154 J (114 ft-lb) -40 degC (-40 degF)
stress relieved
175 J (129 ft-lb) 8 hr 621 degC (1150 degF) -29 degC (-20 degF)
156 J (115 ft-lb) 8 hr 621 degC (1150 degF) -40 degC (-40 degF)

Typical Tensile Properties

Condition Stress Relieved As Welded
Tensile Strength 560 MPa (81 ksi) 585 MPa (85 ksi)
Yield Strength 485 MPa (70 ksi) 510 MPa (74 ksi)
Elongation 30 % 30 %
Testing Time 8 hr
Testing Temperature 621 degC (1150 degF)

Deposition Data

Current Deposition Rate Diameter Deposition Efficiency (%) Optimal Amps
70-100 A 0.8 kg/h (1.7 lb/h) 2.4 mm (3/32 in.) 66.3 % 90 A
90-160 A 1.2 kg/h (2.6 lb/h) 3.2 mm (1/8 in.) 71.6 % 120 A
90-160 A 1.2 kg/h (2.7 lb/h) 3.2 mm (1/8 in.) 70.9 % 140 A
130-220 A 1.7 kg/h (3.8 lb/h) 4.0 mm (5/32 in.) 73.5 % 170 A
200-300 A 2.2 kg/h (4.9 lb/h) 4.8 mm (3/16 in.) 76.4 % 200 A
200-300 A 2.4 kg/h (5.4 lb/h) 4.8 mm (3/16 in.) 74.6 % 250 A
130-220 A 1.1 kg/h (3.1 lb/h) 4.0 mm (5/32 in.) 75 % 140 A

Classifications

Grade E8018-C3 H4R
Name AWS A5.5

Approvals

Approvals ABS 3Y/AWS A5.5: E8018-C3
CWB CSA W48 E5518-C3
LR 4Y40M(H10)
QPL-22200/1 MIL-8018-C3
Approvals are based on factory location. Please contact ESAB for more information.

Consumable Characteristics

Coating Type Low-hydrogen iron powder
0
Welding Current AC or DC+

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C Cr Cu Mn Mo Nb Ni P S Si V
0.045 % 0.06 % 0.139 % 1.08 % 0.12 % 0.003 % 0.91 % 0.01 % 0.01 % 0.31 % 0.009 %
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Part Numbers and Accessories

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Check box to add

Part Numbers : Atom Arc 8018
255041824 FIND A DISTRIBUTOR
255041816 FIND A DISTRIBUTOR
255043119 FIND A DISTRIBUTOR
255047359 FIND A DISTRIBUTOR
255047342 FIND A DISTRIBUTOR
255045320 FIND A DISTRIBUTOR
255045312 FIND A DISTRIBUTOR

ESAB EQUIPMENT WARRANTIES ARE VALID ONLY WHEN PURCHASED THROUGH AN ESAB AUTHORIZED DEALERSHIP.

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