Atom Arc 7018

ESAB

Atom Arc 7018

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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.

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Industries

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

Welding Process

  • SMAW/MMA (Stick)

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C Mn P S Si
0.045 % 1.10 % 0.015 % 0.014 % 0.40 %
0.05 % 0.40 %

Approvals

Grade 3Y(H10)
Society DNV
Grade 3m,3Ym(H10)
Society LR
Grade MIL-7018
Society MIL-E-22200/1
Grade E4918
Society CWB CSA W48
Grade 3Y/AWS A5.1: E7018
Society ABS
Approvals are based on factory location. Please contact ESAB for more information.

Typical Charpy V-Notch Properties

Testing Temperature -29 degC
Testing Temperature -20 degF
8 hr
621 degC
1150 degF
Impact Value (met) 260 J
Impact Value (imp) 193 ft-lb
Stress Relieved

Classifications

Name ASME SFA 5.1
Grade E7018 H4R
Name AWS A5.1

Consumable Characteristics

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

Typical Tensile Properties

Condition As Welded Stress Relieved
Reduction in Area 75 % 77 %
Tensile Strength (met) 540 MPa(78 ksi) 485 MPa(70 ksi)
Yield Strength (met) 470 MPa(68 ksi) 395 MPa(57 ksi)
Elongation 30 % 33 %
Testing Time 8 hr
Testing Temperature (met) 621 degC(1150 degF)

Deposition Data

Current Deposition Rate Diameter Efficiency (%) Optimal Amps
130-220 A 1.7 kg/h(3.8 lb/h) 4.0 mm(5/32 in.) 73.5 % 170 A
90-160 A 1.2 kg/h(2.6 lb/h) 3.2 mm(1/8 in.) 71.6 % 120 A
200-300 A 2.4 kg/h(5.4 lb/h) 4.8 mm(3/16 in.) 74.6 % 250 A
200-300 A 2.2 kg/h(4.9 lb/h) 4.8 mm(3/16 in.) 76.4 % 200 A
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(2.7 lb/h) 3.2 mm(1/8 in.) 70.9 % 140 A
250-350 A 3.3 kg/h(7.2 lb/h) 5.6 mm(7/32 in.) 74 % 300 A
250-350 A 2.9 kg/h(6.5 lb/h) 5.6 mm(7/32 in.) 75 % 250 A
300-400 A 3.5 kg/h(7.7 lb/h) 6.4 mm(1/4 in.) 78 % 300 A
300-400 A 3.9 kg/h(8.7 lb/h) 6.4 mm(1/4 in.) 77 % 350 A
130-220 A 1.4 kg/h(3.1 lb/h) 4.0 mm(5/32 in.) 75 % 140 A
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Part Numbers and Accessories

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Part Numbers : Atom Arc 7018
7018 1/8X14X50#HS 255011819
7018 3/32X14X50#HS 255013310
AA 7018 1/4X18X50#HS 255011413
AA 7018 1/8X14X10#HS 255011827
AA 7018 3/16X14X10#HS 255013120 FIND A DISTRIBUTOR
AA 7018 3/16X14X50#HS 255013112
AA 7018 3/32X14X10#HS 255013328
AA 7018 5/32X14X10#HS 255015323
AA 7018 5/32X14X50#HS 255015315
AA 7018 7/32X18X50#HS 255017311 FIND A DISTRIBUTOR
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