AWS: ENiCrMo-4 Welding Electrodes

Product data sheet / Overview: ( INCONEL® Alloy C-276 )

ENiCrMo-4 is a nickel-chromium-molybdenum alloy electrode designed for welding similar alloys and superalloys. It is highly resistant to oxidation and corrosion, particularly in high-temperature and aggressive chemical environments. This electrode is ideal for critical applications in industries like chemical processing, oil and gas, and power generation. .

Specifications : (INCONEL Alloys C-276)

• AWS Classification: ENiCrMo-4
• Diameter: Available in various diameters (e.g., 2.4 mm, 3.2 mm, 4.0 mm)
• Length: Standard lengths (e.g., 300 mm, 350 mm)

Chemical Composition (%):

Element	Percentage (%)
Nickel (Ni)	58.0 - 63.0
Chromium (Cr)	14.5 - 16.5
Molybdenum (Mo)	15.0 - 17.0
Iron (Fe)	5.0 - 7.0
Tungsten (W)	3.0 - 4.5
Cobalt (Co)	2.0 - 3.0
Manganese (Mn)	0.5 - 1.5
Silicon (Si)	0.08 max
Carbon (C)	0.02 - 0.08
Phosphorus (P)	0.02 max
Sulfur (S)	0.015 max

Mechanical Properties

• Tensile Strength:760 MPa (110 ksi) min
• Yield Strength: 420 MPa (61 ksi) min
• Elongation: 30% min

Applications

• Welding of nickel-chromium-molybdenum-tungsten alloys
• Joining superalloys used in aggressive chemical environments
• Chemical processing equipment
• Oil and gas industry components
• Power generation equipment
• Aerospace and marine engineering

Storage and Handling

• Store in a dry, clean environment to prevent moisture absorption.
• Keep away from corrosive substances and extreme temperatures.
• Electrodes should be kept in their original packaging until use.
• Follow the manufacturer's recommendations for reconditioning if exposed to moisture.

Safety Precautions

• Use appropriate personal protective equipment (PPE) such as gloves, safety glasses, and welding helmets.
• Ensure adequate ventilation or exhaust systems to avoid inhaling welding fumes.
• Follow proper procedures to avoid electric shock.
• Store and handle flammable materials with care to prevent fire hazards.

Manufacturers

• ESAB, UTP Bohler, Special Metals, Selectarc, Lincoln, Arcos & Daiko

Brands and their Product Name:

Brand	Product Name
Special Metals	INCO-WELD C-276 Welding Electrode
BOHLER/ UTP	UTP 776 KB5
Daiko	DAIKO C276
ESAB/EXATON	Exaton NiCrMo-4
Lincoln	Tech-rod® 276
Selectarc	SELECTARC Ni276

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