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ATOM ARC 8018-SR

Atom Arc 8018-SR is an E8018-G all-position low hydrogen electrode designed for stress relieving applications

Features

Atom Arc 8018-SR is an all-position low hydrogen electrode. The moisture resistance and welder appeal is similar to other Atom Arc electrodes. Atom Arc 8018-SR was developed to maintain 80 ksi (552 MPa) after 50 hours stress relieving.

Atom Arc 8018-SR
  • Industry
  • Process
  • Power Generation
  • Welding Process
  • SMAW (Stick)

Classifications

  • Classifications/Approvals

    • SFA/AWS A5.5; E8018-GH4R

Properties

Typical Properties
As Welded  
Reduction in Area 160 %
Stress Relieved 8 hrs. @ 1150ºF (621ºC)  
Yield Strength 71 ksi, 490 MPa
Tensile Strength 85 ksi, 587 MPa
Elongation in 2" 29 %
Stress Relieved 20 hrs. @ 1150ºF (621ºC)  
Yield Strength 72 ksi, 495 MPa
Tensile Strength 85 ksi, 580 MPa
Reduction in Area 76 %
Elongation in 2" 30 %
Stress Relieved 50 hrs. @ 1150ºF (621ºC)  
Yield Strength 69 ksi, 470 MPa
Tensile Strength 82 ksi, 562 MPa
Reduction in Area 76
Elongation in 2" 32 %
Typical Charpy V-Notch Impact Properties  
Testing Temperature 60ºF (16ºC)  
Stress Relieved 8 hrs. @ 1150ºF (621ºC) 160 ft.-lbs., 217 J
Stress Relieved 20 hrs. @ 1150ºF (621ºC) 172 ft.-lbs., 233 J
Stress Relieved 50 hrs. @ 1150ºF (621ºC) 165 ft.-lbs., 224 J
Testing Temperature -50ºF (-46ºC)  
Stress Relieved 8 hrs. @ 1150ºF (621ºC) 108 ft.-lbs., 146 J
Stress Relieved 20 hrs. @ 1150ºF (621ºC) 106 ft.-lbs., 144 J
Stress Relieved 50 hrs. @ 1150ºF (621ºC) 114 ft.-lbs., 155 J
Typical Undiluted Weld Metal Analysis  
C 0.08 %
Mn 1.10 %
Si 0.3 %
P 0.014 %
Cr 0.007 %
Ni 1.0 %
Mo 0.3 %

Part No.

8018-SR
Part No. Model / Product Description UPC
255041832 AA 8018-SR 1/8X14X50#HS 662303017064
255043135 AA 8018-SR 3/16X14X50#HS 662303017095
255043143 AA 8018-SR 3/32X14X50#HS 662303017101
255045338 AA 8018-SR 5/32X14X50#HS 662303017132
255041840 AA 8018-SR 1/8X14X10#HS 662303054366
255041857 AA 8018-SR 5/32X14X10#HS 662303054373
255043150 AA 8018-SR 7/32X18X50#HS 662303044626

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

Preheat should be used on hardenable steels to prevent the formation of a hard heat-affected zone. Preheat may also be required in welding heavy sections

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.