Home > Coated Electrodes > AWS Class ENiCrMo-4 Coated Electrodes
Hajji Welding Supplies, based in Tunis, Tunisia, stands out as a trusted manufacturer and supplier of top-notch welding consumables designed for critical and corrosion-resistant applications. They provide AWS Class ENiCrMo-4 coated electrodes that are crafted to ensure exceptional weld integrity, metallurgical stability, and long-lasting reliability. Produced under rigorous quality control and in line with international standards, these electrodes are perfect for tough industrial settings. Hajji Welding Supplies caters to the petrochemical, chemical processing, power generation, and offshore industries, offering dependable products backed by solid technical expertise.
| Classification | AWS A5.11, A5.1, ENiCrMo-4 |
| 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 ENiCrMo-4 Coated Electrodes Application & uses |
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AWS ENiCrMo-4 coated electrodes are made from a nickel-chromium-molybdenum alloy, featuring a high nickel content along with well-balanced amounts of chromium and molybdenum. This unique blend gives them remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking, even in harsh chemical environments. The weld metal produced is known for its high tensile strength, excellent ductility, and reliable toughness across a wide temperature range. These electrodes also provide stable arc characteristics, easy slag removal, and a low risk of hot cracking.
| C | Mn | Fe | P | S | Si | Cu | Ni | Co | Cr | Mo | V | W | Other |
| 0.02 | 1.0 | 4.0-7.0 | 0.04 | 0.03 | 0.2 | 0.50 | Remainder | 2.5 | 14.5-16.5 | 15.0-17.0 | 0.35 | 3.0-4.5 | 0.50 |
| Diameter | Process | Volt | Amps (flat) | Amps (V/OH) | |
| in | (mm) | ||||
| 3/32 | (2.4) | SMAW | 24-28 | 70-85 | 65-75 |
| 1/8 | (3.2) | SMAW | 26-30 | 85-110 | 80-90 |
| 5/32 | (4.0) | SMAW | 28-32 | 110-140 | 100-120 |
| 3/16 | (4.8) | SMAW | 28-32 | 120-160 | 110-130 |
At Hajji Welding Supplies, we take pride in being one of Tunis’s trusted suppliers of high-quality welding consumables. Our expertise lies in AWS Class ENiCrMo-4 Coated Electrodes, engineered for precision, durability, and resistance to corrosion. With a strong commitment to quality and customer satisfaction, we provide welding solutions that support industries across construction, energy, shipbuilding, and manufacturing.
AWS Class ENiCrMo-4 coated electrodes are ideal for welding nickel-based alloys and joining dissimilar metals that face severe corrosion and high temperatures. Common uses include heat exchangers, pressure vessels, reactors, piping systems, and chemical processing equipment. They find extensive application in petrochemical plants, refineries, chemical industries, power generation facilities, and offshore projects. Thanks to their outstanding resistance to chemical attacks, thermal cycling, and mechanical stress, these electrodes are perfect for critical fabrication and repair tasks.
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