Hastelloy B-3 Welding Electrodes

Metals And Welding Specialities is a leading manufacturer and supplier of Hastelloy B-3 Welding Electrodes, known for their outstanding performance in corrosive environments and exceptional weld quality. These electrodes are designed to meet the rigorous demands of industries that handle strong reducing agents and harsh chemical processes. The Hastelloy B-3 alloy offers superior resistance to hydrochloric acid, sulfuric acid, acetic acid, and phosphoric acid, making it a trusted choice for chemical and petrochemical industries worldwide.

The UNS N10675 and ASTM B333 Grade B-3 designations ensure that these electrodes meet international metallurgical standards. Metals And Welding Specialities produces Hastelloy B-3 electrodes that exhibit enhanced thermal stability and mechanical strength, even after prolonged exposure to elevated temperatures. The unique composition of nickel, molybdenum, and trace alloying elements helps maintain corrosion resistance while preventing unwanted phase formations during welding. These properties make Hastelloy B-3 Welding Electrodes a superior upgrade over previous versions such as B-2, offering improved fabricability and reliability in welded joints.

Our Hastelloy B-3 Welding Electrodes are widely used in applications where exceptional resistance to pitting, stress corrosion cracking, and knife-line attack is required. They are ideal for joining Hastelloy B-3 and similar nickel-molybdenum alloys in pressure vessels, heat exchangers, evaporators, and piping systems exposed to aggressive chemical media. The smooth arc stability and easy slag removal make them efficient for both manual and automated welding processes, ensuring consistent and clean weld deposits with minimal spatter.

At Metals And Welding Specialities, we maintain strict quality standards in every stage of manufacturing—from raw material selection to coating formulation and final inspection. Our electrodes comply with AWS A5.11 ENiMo-10 specifications, guaranteeing performance consistency and compliance with global welding standards. The advanced coating formulation of these electrodes ensures uniform metal transfer, deep penetration, and low hydrogen content, reducing the risk of weld defects and enhancing durability.

Customers across industries such as chemical processing, pharmaceuticals, marine engineering, and pollution control trust Metals And Welding Specialities for reliable Hastelloy B-3 Welding Consumables that deliver exceptional strength and corrosion resistance in challenging environments. With our technical expertise and commitment to excellence, we provide welding solutions that enhance plant performance and extend equipment life.

For superior corrosion protection, long service life, and consistent weldability, choose Metals And Welding Specialities Hastelloy B-3 Welding Electrodes — engineered to perform where other materials fail.

• Specification Hastelloy B-3 Welding Electrodes

  Classification	AWS A5.11, ENiMo-10
  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)
  HASTELLOY B-3 Welding 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	Haynes
  ENiMo-10	W860675	HASTELLOY B-3

• Hastelloy B-3 Welding Electrodes Chemical Composition

  Nickel:	Balance
  Molybdenum:	27.0-32.0
  Iron:	1.0-3.0
  Chromium:	1.0-3.0
  Cobalt:	3.0 max.
  Tungsten:	3.0 max.
  Manganese:	2.0 max.
  Copper:	0.50 max.
  Other:	0.50 max.
  Silicon:	0.20 max.
  Carbon:	0.02 max.
  Sulfur:	0.03 max.
  Phosphorus:	0.04 max.

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