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 Charpy V-Notch Properties

Stress Relieved
Impact Value 193 ft-lb
Impact Value 260 J
1150 °F
621 °C
8 hr
Testing Temperature -20 °F
Testing Temperature -29 °C

Typical Tensile Properties

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

Deposition Data

Current Deposition Rate Diameter Deposition 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

Classifications

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

Approvals

Approvals ABS 3Y/AWS A5.1: E7018
CWB CSA W48 E4918
DNV 3Y(H10)
LR 3m,3Ym(H10)
MIL-E-22200/1 MIL-7018
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 Mn P S Si
0.045 % 1.10 % 0.015 % 0.014 % 0.40 %
0.05 % 0.40 %
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Part Numbers and Accessories

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Part Numbers : Atom Arc 7018
255011819
255013310
255011413
255011827
255013120 Find a distributor
255013112
255013328
255015323
255015315
255017311 Find a distributor

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

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