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ESAB Atom Arc 7018-1 Electrode - 3/32" X 14" - 50 lb HS - 255013344

ESAB Atom Arc 7018-1 Electrode - 3/32" X 14" - 50 lb HS - 255013344

Manufacturer: ESAB®
SKU: ESA255013344
Price: $130.13
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ESAB Atom Arc 7018-1 Electrode - 3/32" X 14" - 50 lb HS - 255013344

Atom Arc 7018-1 is an all-position, low hydrogen electrode that provides exceptional impact toughness at low service temperatures. Atom Arc 7018-1 provides smooth metal transfer, minimal spatter, and easy slag removal. Atom Arc 7018-1 is used to join a wide variety of carbon and low alloy steels. It is also an excellent choice for welding higher strength steels if undermatching welds are specified.

Preheat is generally not required with Atom Arc 7018-1 to prevent underbead cracking. Preheat should be used with hardenable steels to prevent the formation of hard heat-affected zones and eliminate tendencies toward quench cracking on cooling. Preheat may also be required in welding heavy sections.

  • Classifications/Approvals

    • AWS A5.1; E7018-1H4R
    • D.N.V.- 3Y(H10)
    • L.R.- 3m,3Ym(H10)
    • A.B.S.-3,3Y(H10)/A5.1; E7018-1
    • ASME SFA 5.1
    • CERTIFIED BY C.W.B.- CSA W48

Depositions/Parameters:

Diameter Optimal Amperage Range Amperage Deposition Rate Efficiency
3/32 in, 2.4 mm 90 A 70 - 100 1.7 lbs./hr., 0.8 kg./hr. 66.3 %
1/8 in, 3.2 mm 120 A 90 - 160 2.6 lbs./hr., 1.2 kg./hr. 71.6 %
140 A 90 - 160 2.7 lbs./hr., 1.2 kg./hr. 70.9 %
5/32 in, 4.0 mm 140 A 130 - 220 3.1 lbs./hr., 1.4 kg./hr. 75 %
170 A 130 - 220 3.8 lbs./hr., 1.7 kg./hr. 73.5 %
3/16 in, 4.8 mm 200 A 200 - 300 4.9 lbs./hr., 2.2 kg./hr. 76.4 %
250 A 200 - 300 5.4 lbs./hr., 2.4 kg./hr. 74.6 %
7/32 in, 5.6 mm 250 A 250 - 350 6.5 lbs./hr., 2.9 kg./hr. 75 %
300 A 250 - 350 7.2 lbs./hr., 3.3 kg./hr. 74 %
1/4 in, 6.4 mm 300 A 300 - 400 7.7 lbs./hr., 3.5 kg./hr. 78 %
350 A 300 - 400 8.7 lbs./hr., 3.9 kg./hr. 77 %


Properties:

As Welded  
Yield Strength 69 ksi, 475 MPa
Tensile Strength 81 ksi, 565 MPa
Elongation in 2" 30 %
Reduction in Area 72 %
Stress Relieved 8 hrs. @ 1150ºF (621ºC)  
Yield Strength 60 ksi, 415 MPa
Tensile Strength 74 ksi, 510 MPa
Reduction in Area 72 %
Elongation in 2" 33 %
Typical Charpy V-Notch Impact Properties  
Testing Temperature -50ºF (-46ºC)  
As Welded 104 ft.-lbs., 141 J
Stress Relieved 8 hrs. @ 1150ºF (621ºC) 165 ft.-lbs., 224 J
Typical Undiluted Weld Metal Analysis  
C 0.04 %
Mn 1.3 %
Si 0.3 %
P 0.014 %
S 0.015 %

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