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ESAB

ATOM ARC 9018-B9

ATOM ARC 9018-B9

Atom Arc 9018-B9 is designed to weld the modified 9% Cr - 1% Mo steels known by the designations T91, P91 or Grade 91. These steels are designed to provide improved creep strength, toughness, fatigue, and oxidation and corrosion resistance at elevated temperatures.

Where To Buy


Industries

  • Petrochemical
  • Pipeline
  • Power Generation

Welding Process

  • Welding-SMAW/MMA (Stick)

Specifications


Typical Tensile Properties

Condition Elongation Stress Relieved Temperature Stress Relieved Testing Time Tensile Strength Yield Strength
Stress Relieved 19 % 1375 °F 1 hr 119 ksi 103 ksi
Stress Relieved 25 % 1400 °F 2 hr 105 ksi 85 ksi

Typical Charpy V-Notch Properties

Condition Impact Value Stress Relieved Testing Temp Stress Relieved Testing Time Testing Temperature
Stress Relieved 61 ft-lb 1400 °F 2 hr 70 °F

Typical Weld Metal Analysis %

MnMoX-FactorCAlNCrPCuSNbSiVNi
0.80 %1.00 %< 15 %0.10 %<.01 %0.04 %8.50 %0.008 %0.04 %0.009 %0.04 %0.17 %0.19 %0.20 %

Classifications: ASME SFA 5.5, AWS A5.5, E9018-B9 H4R

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