Atom Arc 9018-B9

ESAB

Atom Arc 9018-B9

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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.

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Industries

  • Petrochemical
  • Pipeline
  • Power Generation

Welding Process

  • SMAW/MMA (Stick)

Typical Charpy V-Notch Properties

Stress Relieved
Impact Value 61 ft-lb
Impact Value 83 J
1400 °F
760 °C
2 hr
Testing Temperature 70 °F
Testing Temperature 21 °C

Typical Tensile Properties

Condition Stress Relieved Stress Relieved
Tensile Strength 821 MPa (119 ksi) 724 MPa (105 ksi)
Yield Strength 711 MPa (103 ksi) 587 MPa (85 ksi)
Elongation 19 % 25 %
Testing Time 1 hr 2 hr
Testing Temperature 746 degC (1375 degF) 760 degC (1400 degF)

Deposition Data

Current Deposition Rate Diameter Deposition 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
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

Classifications

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

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
Al C Cr Cu Mn Mo N Nb Ni P S Si V X-bar
<.01 % 0.10 % 8.50 % 0.04 % 0.80 % 1.00 % 0.04 % 0.04 % 0.20 % 0.008 % 0.009 % 0.17 % 0.19 % < 15 ppm
0.04 % 0.20 %
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Part Numbers and Accessories

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Part Numbers : Atom Arc 9018-B9
255067852 FIND A DISTRIBUTOR
255067845 FIND A DISTRIBUTOR
255067860 FIND A DISTRIBUTOR

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