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.


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 degF
621 degC
8 hr
Testing Temperature -20 degF
Testing Temperature -29 degC

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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How to purchase Atom Arc 7018

We're as eager to put ESAB gear in your hands as you are to have it.  That's why we sell our products with distributors who'll give you the attention, support, and value you deserve.  Their expertise will make sure that you're as happy with the purchasing process as we know you'll be with your purchase itself.

To make things even easier, we've developed the online shopping list below.  As you browse our site, you'll be able to click on any product to have it added to this easy reference sheet.  And when you're done, you can send the list to yourself or print it out and bring it in to the distributor of your choice.

To find an ESAB distributor, just use the distributor locator tool featured on every page of our site.  Alternatively, you can call our support line at +361 382 1235 and we'll point you in the right direction.

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Part Numbers and Accessories

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
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
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