E9018-B3 Welding Electrodes

Metals And Welding Specialities proudly offers E9018-B3 Welding Electrodes, a high-performance welding solution designed for critical applications requiring superior mechanical strength and excellent creep resistance at elevated temperatures. Manufactured under strict quality control, these electrodes are formulated to deliver consistent and reliable results in high-temperature service environments such as pressure vessels, boilers, heat exchangers, and piping systems in power generation and petrochemical industries.

The E9018-B3 electrodes are engineered to deposit a low-alloy steel weld metal containing 2¼% chromium and 1% molybdenum, ensuring exceptional resistance to oxidation and hydrogen attack. The weld deposits exhibit uniform hardness, fine-grained microstructure, and high tensile strength, making them ideal for joining and overlay welding of Cr-Mo steels. The electrodes conform to AWS A5.5 and ASME SFA-5.5 specifications, with a UNS W90182 classification and ASTM A335 Grade P22 compatibility. These standards highlight their reliability in meeting demanding industrial requirements.

With a smooth, stable arc and easy slag removal, Metals And Welding Specialities E9018-B3 electrodes provide exceptional operator control, even in out-of-position welding. The low-hydrogen coating minimizes the risk of hydrogen-induced cracking, ensuring strong and defect-free welds. They are particularly suitable for welding base metals such as ASTM A182 F22, A213 T22, and A217 WC9, which are commonly used in steam pipelines and turbine casings. The electrodes perform exceptionally well under both DC+ and AC polarities, providing flexibility across different welding setups.

Each E9018-B3 coated electrode is designed to maintain high impact toughness and resist thermal fatigue, even after prolonged exposure to temperatures up to 600°C (1110°F). This makes them an optimal choice for fabricating and repairing components exposed to high-pressure, high-temperature environments. The weld metal produced by these electrodes exhibits excellent post-weld heat treatment (PWHT) response, retaining mechanical integrity and structural stability.

At Metals And Welding Specialities, we understand the critical importance of weld quality in industrial operations. That’s why our E9018-B3 Welding Electrodes undergo rigorous testing to ensure consistent chemical composition, mechanical properties, and coating adhesion. They are packaged in moisture-resistant containers to prevent hydrogen pickup and maintain low moisture levels during storage and handling. By choosing Metals And Welding Specialities, industries gain a dependable welding solution backed by quality assurance and technical expertise.

Whether used for fabrication or maintenance welding, these electrodes deliver outstanding weld bead appearance, minimal spatter, and maximum efficiency. For critical applications that demand durability, strength, and resistance to extreme conditions, Metals And Welding Specialities E9018-B3 electrodes are the professional’s choice for dependable performance.

• Specification E9018-B3 Welding Electrodes

  Classification	AWS A5.5, E9018-B3
  Form	Welding Electrode, Welding Rods
  Type Of Current	Direct Current Electrode Positive (DCEP)
  Diameters	3/32”, 1/8”, 5/32”, 3/16” or 2.5mm, Ø 3.2mm, Ø 4.0mm, Ø 5.0mm
  Size	2.0mm ∞ 5.0mm
  AC/DC+	50-80, 80-110, 100-135, 140-180
  Welding Positions	All positions 5/32” & 3/16” recommended for use in flat & horizontal positions only (F, V, OH, H)
  AWS A5.5, E9018-B3 Coated Electrodes Application & uses	Petroleum Chemical plant Power sector Gas Industry Hardware tools Metallurgy Machinery Construction Shipbuilding

• Equivalent Grade Of AWS ENiCrMo-4 Coated Electrodes

  Class	UNS	Oxford Alloys	BOHLER
  E9018-B3	W53018	Alloy 9018-B3	BOHLER FOX P 22

• E9018-B3 Welding Electrodes Chemical Composition

  C	Mn	Si	Cr	Ni	Mo	P	S	N	Cb	Cu	V
  .09	.97	.20	9.5	.10	.95	.01	.01	.05	.04	.01	.21

• E9018-B3 Welding Electrodes Parameters

  Diameter	Type of Power	Amperage	Deposition Rate (lbs/hr)	Amperage Range
  3/32”	DCEP or AC	100	2.38	70-110
  1/8”	DCEP or AC	135	2.92	90-160
  5/32”	DCEP or AC	170	4.08	130-220
  3/16”	DCEP or AC	250	5.62	200-300

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