Hastelloy C-276 Welding Electrodes

At Metals And Welding Specialities, we manufacture and supply premium-quality Hastelloy C-276 Welding Electrodes designed to deliver exceptional corrosion resistance and superior mechanical performance in the most demanding environments. Our electrodes are engineered to meet international quality standards and are suitable for critical applications where reliability and durability are non-negotiable. Classified under UNS N10276 and conforming to ASTM B622 / B626 Grade C-276, these electrodes are recognized globally as the industry benchmark for welding high-performance nickel-molybdenum-chromium alloys.

The Hastelloy C-276 Welding Electrodes from Metals And Welding Specialities are ideal for joining and overlaying similar alloy materials. They provide outstanding resistance to strong oxidizers, reducing agents, and a wide range of chemical media including ferric and cupric chlorides, hot contaminated mineral acids, chlorine gas, and organic solvents. This makes them indispensable in industries such as chemical processing, marine engineering, pollution control, and power generation, where harsh operating conditions are a daily reality.

Each electrode is manufactured with a precision coating that ensures smooth arc stability, minimal spatter, and excellent slag detachability. The weld metal produced offers high tensile strength and resistance to localized corrosion such as pitting and crevice attack. In addition, Hastelloy C-276 Welding Electrodes demonstrate outstanding resistance to stress corrosion cracking, even under severe thermal and mechanical stresses. These properties make them the preferred choice for fabricating equipment like scrubbers, ducting, reaction vessels, evaporators, and heat exchangers exposed to aggressive environments.

The chemical composition of the electrode core and coating is carefully balanced to maintain optimal weldability while preserving the alloy’s corrosion-resistant characteristics. Nickel, molybdenum, and chromium form the backbone of the alloy’s strength, while tungsten enhances its overall stability in oxidizing and reducing zones. This unique combination allows for excellent metallurgical integrity in both overlay and joining applications. Metals And Welding Specialities ensures every batch undergoes stringent quality testing and complies with AWS A5.11 ENiCrMo-4, guaranteeing consistent performance and long-term reliability.

Our Hastelloy C-276 Welding Electrodes are available in various diameters to suit different welding needs and processes. They can be used in both manual metal arc welding (MMAW) and shielded metal arc welding (SMAW) operations. Whether it’s a complex fabrication or a repair task, these electrodes provide the durability and precision demanded by high-temperature and corrosive environments.

As a trusted manufacturer and exporter, Metals And Welding Specialities is dedicated to delivering products that meet global standards and exceed client expectations. Our focus on innovation, quality assurance, and customer satisfaction has made us a reliable name in the welding industry. When you choose Hastelloy C-276 Welding Electrodes from Metals And Welding Specialities, you choose performance that lasts, precision you can count on, and corrosion resistance that defines excellence.

• Specification Hastelloy C-276 Welding Electrodes

  Classification	AWS A5.11, ENiCrMo-17
  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 C-276 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
  ENiCrMo-17	W860675	HASTELLOY® C-276

• Hastelloy C-276 Welding Electrodes Chemical Composition

  Nickel:	Balance
  Molybdenum:	15.0-17.0
  Chromium:	14.5-16.5
  Iron:	4.0-7.0
  Tungsten:	3.0-4.5
  Cobalt:	2.5 max.
  Manganese:	1.0 max.
  Copper:	0.50 max.
  Other:	0.50 max.
  Vanadium:	0.35 max.
  Silicon:	0.20 max.
  Carbon:	0.02 max.
  Sulfur:	0.03 max.
  Phosphorus:	0.04 max.

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