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ATOM ARC 7018-SR

Atom Arc 7018-SR is an E7018 all-position low hydrogen electrode designed to maintain 70 ksi (483 MPa) when used in stress relieving applications.

Features

Atom Arc 7018-SR is an all-position low hydrogen electrode. The moisture resistance and welder appeal is similar to other Atom Arc electrodes. Atom Arc 7018-SR was developed to maintain 70 ksi (483 MPa) tensile strength after 16 hours stress relieving.

Atom Arc 7018-SR
  • Industry
  • Mobile Machinery
  • Power Generation
  • Civil Construction
  • General Fabrication
  • Welding Process
  • SMAW (Stick)

Classifications

  • Classifications/Approvals

    • AWS A5.1; E7018H4R
    • ASME SFA 5.1

Properties

Typical Properties
As Welded  
Yield Strength 68 ksi, 475 MPa
Tensile Strength 83 ksi, 575 MPa
Elongation in 2" 32 %
Reduction in Area 76 %
Stress Relieved 8 hrs. @ 1150ºF (621ºC)  
Yield Strength 61 ksi, 420 MPa
Tensile Strength 76 ksi, 520 MPa
Reduction in Area 76 %
Elongation in 2" 35 %
Stress Relieved 16 hrs. @ 1150ºF (621ºC)  
Yield Strength 59 ksi, 405 MPa
Tensile Strength 74 ksi, 510 MPa
Reduction in Area 77 %
Elongation in 2" 35 %
Typical Charpy V-Notch Impact Properties  
Testing Temperature -20ºF (-29ºC)  
As Welded 114 ft.-lbs., 195 J
Stress Relieved 8 hrs. @ 1150ºF (621ºC) 133 ft.-lbs., 180 J
Stress Relieved 16 hrs. @ 1150ºF (621ºC) 185 ft.-lbs., 250 J
Typical Undiluted Weld Metal Analysis  
C 0.06 %
Mn 1.3 %
Si 0.3 %
P 0.014 %
S 0.014 %
Mo 0.1 %

Part No.

7018-SR
Part No. Model / Product Description UPC
255325003 AA 7018-SR 3/32X14X50#HS 662303016692
255325011 AA 7018-SR 1/8X14X50#HS 662303016708
255325029 AA 7018-SR 5/32X14X50#HS 662303016715
255325029-21 AA 7018-SR 5/32X14X50#HS 662303059699
255325037 AA 7018-SR 3/16X14X50#HS 662303016722
255325045 AA 7018-SR 7/32X18X50#HS 662303016739
255325052 AA 7018-SR 1/4X18X50#HS 662303016746
255325060 AA 7018-SR 1/8X14X10#HS 662303016753
255325078 AA 7018-SR 3/32X14X10#HS 662303016760
255325086 AA 7018-SR 5/32X14X10#HS 662303016777
255325003-21 AA 7018-SR 3/32X14X50#HS S/L 662303057206
255325011-21 AA 7018-SR 1/8X14X50#HS S/L 662303057190

SAW

Accessories

Depositions/Paramaters

Deposition Table
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 %

Extra Info

Complementary Products

Seismic Data

All listed prices are in U.S. dollars and represent the Manufacturer's Suggested Retail Price (MSRP) for sale in the United States. Actual selling price will be determined by the Distributor. Prices are subject to change without notice.