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ESAB

ATOM ARC 7018-SR

ATOM ARC 7018-SR

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.

Where To Buy


Industries

  • Mobile Equipment
  • Power Generation
  • Civil Construction
  • Industrial and General Fabrication

Welding Process

  • SMAW/MMA (Stick)

Specifications


Typical Tensile Properties

Condition Elongation Reduction in Area Stress Relieved Temperature Stress Relieved Testing Time Tensile Strength Yield Strength
Stress Relieved 35 % 77 % 1150 °F 16 hr 74 ksi 59 ksi
Stress Relieved 35 % 76 % 1150 °F 8 hr 76 ksi 61 ksi
As Welded 32 % 76 % - - 83 ksi 68 ksi

Typical Charpy V-Notch Properties

Condition Impact Value Testing Temperature Stress Relieved Testing Temp Stress Relieved Testing Time
As Welded 114 ft-lb -20 °F - -
Stress Relieved 133 ft-lb -20 °F 1150 °F 8 hr
Stress Relieved 185 ft-lb -20 °F 1150 °F 16 hr

Typical Weld Metal Analysis %

weld metal analysis
PMnMoCSSi
0.014 %1.30 %0.10 %0.06 %0.014 %0.30 %

Classifications: ASME SFA 5.1; AWS A5.1; E7018 H4R

Coating Type: Low-hydrogen iron powder
CTOD-Tested: False
Welding Current: AC or DC+
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Typical Tensile Properties

Condition Elongation Reduction in Area Stress Relieved Temperature Stress Relieved Testing Time Tensile Strength Yield Strength
Stress Relieved 35 % 77 % 1150 °F 16 hr 74 ksi 59 ksi
Stress Relieved 35 % 76 % 1150 °F 8 hr 76 ksi 61 ksi
As Welded 32 % 76 % - - 83 ksi 68 ksi

Typical Charpy V-Notch Properties

Condition Impact Value Testing Temperature Stress Relieved Testing Temp Stress Relieved Testing Time
As Welded 114 ft-lb -20 °F - -
Stress Relieved 133 ft-lb -20 °F 1150 °F 8 hr
Stress Relieved 185 ft-lb -20 °F 1150 °F 16 hr

Typical Weld Metal Analysis %

weld metal analysis
PMnMoCSSi
0.014 %1.30 %0.10 %0.06 %0.014 %0.30 %

Classifications: ASME SFA 5.1; AWS A5.1; E7018 H4R

Coating Type: Low-hydrogen iron powder
CTOD-Tested: False
Welding Current: AC or DC+
x

Part Numbers and Accessories

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Part Numbers : ATOM ARC 7018-SR
AA 7018-SR 1/8X14X10#HS 255325060 Buy Local
AA 7018-SR 3/32X14X50#HS 255325003 Buy Local
AA 7018-SR 1/8X14X50#HS 255325011 Buy Local
AA 7018-SR 5/32X14X50#HS 255325029 Buy Local
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