Fatma Welding Supplies, based in Muscat, OMAN, is a leading manufacturer and supplier specializing in high-quality welding consumables. Renowned for its commitment to excellence, the company provides a comprehensive range of products, including the AWS Class ENiCrMo3T1-1/T1-4 flux-cored wires, designed for superior performance in demanding welding applications. Catering to industries such as construction, shipbuilding, and heavy engineering, Fatma Welding Supplies ensures reliability, durability, and precision in every product. With a focus on innovation, customer satisfaction, and stringent quality control, the company has established itself as a trusted partner for professionals seeking advanced welding solutions in the OMANn market.
| Classification | AWS A5.34, ENiCrMo3T1-1/T1-4 |
| Form | Welding Flux Core Wire |
| Type Of Welding | Gas Shielded |
| Diameters | .045”, 1/16” |
| Shielding Gas | 100% CO2, 75-80% Ar/ balance CO2, 35-50 cfh |
| Welding Positions | All positions |
| AWS ENiCrMo3T1-1/T1-4 Flux Core Wire Application & uses |
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The AWS Class ENiCrMo3T1-1/T1-4 flux-cored wire is a nickel-chromium-molybdenum alloy designed for welding high-temperature and corrosion-resistant steels. Its typical chemical composition includes Nickel (Ni) 62–65%, Chromium (Cr) 22–24%, Molybdenum (Mo) 8–10%, Iron (Fe) balance, with minimal carbon and other trace elements. Mechanically, it offers tensile strength of 75–85 ksi, yield strength of 55–65 ksi, and elongation around 30%, providing excellent ductility, toughness, and resistance to high-temperature oxidation and chemical attack, making it ideal for aerospace, power generation, and chemical processing applications.
| AWS Spec | Weld Metal |
Carbon (C) | 0.10 | 0.02 |
Chromium (Cr) | 20.0-23.0 | 21.1 |
Copper (Cu) | 0.50 | 0.007 |
Iron (Fe) | 1.00* | 0.44 |
Manganese (Mn) | 0.50 | 0.13 |
Molybdenum (Mo) | 8.0-10.0 | 9.06 |
Nickel (Ni) | 58.0 min | 64.7 |
Phosphorus (P) | 0.02 | 0.004 |
Silicon (Si) | 0.50 | 0.28 |
Sulfur (S) | 0.015 | 0.002 |
Titanium (Ti) | 0.40 | 0.22 |
Niobium (Nb) + Tantalum (Ta) | 3.15-4.15* | 3.68 |
| Tensile Strength | 109,000 psi |
|---|---|
| Yield Strength | 65,000 psi |
| Elongation (%) | 46% |
Diameter | Position | Optimum | Amperage Range | Voltage Range | ||
Amperage | Voltage | WFS (ipm) | ||||
.045” | Flat | 190 | 28 | 400 | 125-215 | 25-29 |
Out of Position | 155 | 25 | 320 | 125-175 | 24-27 | |
1/16” | Flat | 200 | 27 | 225 | 150-230 | 24-29 |
Out of Position | 175 | 25 | 175 | 150-190 | 24-26 | |
At Fatma Welding Supplies, we take pride in being one of OMAN’s trusted suppliers of high-quality welding consumables. Our expertise lies in AWS Class ENiCrMo3T1-1/T1-4 Flux Core, 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.
The AWS Class ENiCrMo3T1-1/T1-4 flux-cored wire is widely used for welding high-performance alloys in industries requiring excellent corrosion and heat resistance. Its applications include joining austenitic stainless steels, nickel-based alloys, and dissimilar metals exposed to extreme temperatures and aggressive environments. Commonly employed in chemical processing plants, power generation, oil and gas, aerospace, and marine engineering, it ensures reliable performance in high-stress conditions. Ideal for boilers, heat exchangers, piping systems, and pressure vessels, this flux-cored wire delivers superior mechanical strength, ductility, and resistance to oxidation and chemical attack, making it a trusted choice for critical industrial welding projects.
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