HASTELLOY® C-4 Coated Electrodes

Hastelloy® C-4 Coated Electrodes are nickel-chromium-molybdenum welding rods used in shielded metal arc welding (SMAW). These electrodes are ideal for joining base metals that are Hastelloy® C-4 or for adding a layer of corrosion resistance to carbon and stainless steels. It is known for strength and resilience providing superior defence against aggressive acids, high-temperature oxidation and stress-corrosion cracking. With a tensile strength of 100,000 psi and 25% elongation, it combines toughness with ductility. Metracore Alloys is a reliable Hastelloy® C-4 Coated Electrodes Supplier, offering products that meet critical industrial requirements.

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Our electrodes are classified under AWS A 5.11 ENiCrMo-7 Coated Electrodes and carry the UNS W86455 standard. Their composition makes them highly resistant to chloride-induced pitting and crevice corrosion, which is a common weakness in stainless steels. Hastelloy® C-4 Welding Electrodes also deliver stability and ductility even after long exposure to high temperatures between 1200°F and 1900°F (649°C–1038°C). Both the Hastelloy® C-4 Light Coated Electrodes and the Hastelloy® C-4 Heavy Coated Electrodes are suitable for demanding fabrication tasks and out-of-position welding because of the unique coating that guarantees smooth operation.

Hastelloy® C-4 Coated Welding Rod is used in chemical processing plants, offshore oil and gas systems and pollution control units. They are trusted in power generation facilities for components exposed to high-temperature gases and corrosive conditions. They are also perfect for pipelines, reactors, and flue gas scrubbers because of their capacity to handle both oxidising and non-oxidizing acids. Hastelloy® C-4 Covered Arc Welding Electrodes offer carbon and stainless steel durable corrosion protection when applied as overlays.

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Certified as AWS A5.11 ENiCrMo-7 and supported with Manufacturer’s Test Certificates (EN 10204/3.1), these electrodes meet strict quality standards. We supply them in secure, moisture-proof packaging to ensure safe handling and reliable performance at every application site.

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Table of Content

Hastelloy® C-4 Coated Electrodes Specification

Types of Hastelloy® C-4 Coated Electrodes

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Technical Details of Hastelloy® C-4 Coated Electrodes

Trade Names of HASTELLOY® C-4 Coated Welding Electrodes

Class	UNS	Haynes
ENiCrMo-7	W860675	HASTELLOY® C-4

HASTELLOY® C-4 Coated Electrodes Minimal Chemical Composition

Nickel	Balance
Chromium	14.0-18.0
Molybdenum	14.0-17.0
Iron	3.0 max.
Cobalt	2.0 max.
Manganese	1.5 max.
Titanium	0.70 max.
Copper	0.50 max.
Other	0.50 max.
Tungsten	0.50 max.
Silicon	0.20 max.
Phosphorus	0.04 max.
Carbon	0.0015 max.
Sulfur	0.03 max.

HASTELLOY® C-4 Coated Electrodes Minimal Mechanical Properties

Tensile (psi)	100,000
Mpa	690
Elongation (%)	25

Available Product Forms and Sizes HASTELLOY® C-4 Coated Electrodes

Diameter in	0.093	0.125	0.156	0.187
Diameter mm	2.40	3.20	4.00	4.70
Length in	10	14	14	14
Length mm	254	355.6	355.6	355.6
Package Weight lbs.	5	10	10	10
Current (A) DCEP	40-70	70-100	80-140	120-150

Manufacturing Process of Hastelloy® C-4 Coated Electrodes

Hastelloy® C-4 Coated Electrodes Application

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