Atom Arc 9018-SR

ESAB

Atom Arc 9018-SR

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Atom Arc 9018-SR is an all-position, low hydrogen iron powder electrode with outstanding moisture resistance and welder appeal. Contains higher Mn, Mo and Ni to maintain greater than 90,000 psi tensile strength after long term stress relief.

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Typical Charpy V-Notch Properties

Impact Value Testing Temperature
stress relieved
123 J (91 ft-lb) 20 hr 621 degC (1150 degF) 16 degC (60 degF)
49 J (36 ft-lb) 20 hr 621 degC (1150 degF) -46 degC (-50 degF)

Typical Tensile Properties

ConditionElongationReduction in AreaTensile Strength Testing Temperature Testing TimeYield Strength
Stress Relieved24 %68 %684 MPa (99 ksi)621 degC (1150 degF)20 hr601 MPa (87 ksi)

Classifications

Classifications ASME SFA 5.5 :
AWS A5.5 : E9018-G H4R

Consumable Characteristics

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

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
Cr Cu Mn Mo Ni P S
0.03 % 0.01 % 1.60 % 0.45 % 1.05 % 0.016 % 0.009 %
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