Atom Arc 8018-SR

ESAB

Atom Arc 8018-SR

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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.

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Industries

  • Power Generation

Welding Process

  • SMAW/MMA (Stick)

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C Cr Cu Mn Mo Nb Ni P Si V
0.075 % 0.10 % 0.114 % 1.12 % 0.26 % 0.003 % 0.90 % 0.01 % 0.34 % 0.009 %

Typical Charpy V-Notch Properties

Classifications

Name ASME SFA 5.5
Grade E8018-G H4R
Name AWS A5.5

Consumable Characteristics

Welding Current AC or DC+
0
Coating Type Low-hydrogen iron powder

Typical Tensile Properties

Condition Stress Relieved Stress Relieved Stress Relieved
Reduction in Area 75 % 78 % 76 %
Tensile Strength (met) 587 MPa(85 ksi) 562 MPa(82 ksi) 580 MPa(85 ksi)
Yield Strength (met) 490 MPa(71 ksi) 470 MPa(69 ksi) 495 MPa(72 ksi)
Elongation 29 % 32 % 30 %
Testing Time 8 hr 50 hr 20 hr
Testing Temperature (met) 621 degC(1150 degF) 621 degC(1150 degF) 621 degC(1150 degF)

Deposition Data

Current Deposition Rate Diameter 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
130-220 A 1.1 kg/h(3.1 lb/h) 4.0 mm(5/32 in.) 75 % 140 A
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Part Numbers and Accessories

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Part Numbers : Atom Arc 8018-SR
AA 8018-SR 1/8X14X10#HS 255041840 FIND A DISTRIBUTOR
AA 8018-SR 1/8X14X50#HS 255041832 FIND A DISTRIBUTOR
AA 8018-SR 3.2X35.5X22.7KGHS 525041836 FIND A DISTRIBUTOR
AA 8018-SR 3/16X14X50#HS 255043135 FIND A DISTRIBUTOR
AA 8018-SR 3/32X14X50#HS 255043143 FIND A DISTRIBUTOR
AA 8018-SR 4.0X35.5X22.7KGHS 525045332 FIND A DISTRIBUTOR
AA 8018-SR 4.8X35.5X22.7KGHS 525043139 FIND A DISTRIBUTOR
AA 8018-SR 5.5X45.7X22.7KGHS 525043154 FIND A DISTRIBUTOR
AA 8018-SR 5/32X14X10#HS 255041857 FIND A DISTRIBUTOR
AA 8018-SR 5/32X14X50#HS 255045338 FIND A DISTRIBUTOR
AA 8018-SR 7/32X18X50#HS 255043150 FIND A DISTRIBUTOR
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