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ATOM ARC 7018-SR

ATOM ARC 7018-SR

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Specifications


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

Typical Weld Metal Analysis %

PSSiCMnMo
0.014 %0.014 %0.30 %0.06 %1.30 %0.10 %

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 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

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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.

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Industries

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

Welding Process

  • Welding-SMAW/MMA (Stick)

Specifications


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

Typical Weld Metal Analysis %

PSSiCMnMo
0.014 %0.014 %0.30 %0.06 %1.30 %0.10 %

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 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

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