AWS Class E8018-B8 Coated Electrodes Manufacturer and Supplier in Tunisia, Tunis
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Hajji Welding Supplies, based in Tunis, Tunisia, is a trusted name in manufacturing and supplying top-notch welding consumables designed for pressure-grade and high-temperature alloy steel applications. They offer AWS Class E8018-B8 coated electrodes that are crafted to deliver low-hydrogen weld deposits, consistent arc stability, and reliable mechanical performance. Produced under rigorous quality control and adhering to international standards, these electrodes are perfect for critical fabrication and maintenance tasks. Hajji Welding Supplies caters to the power generation, petrochemical, refinery, and heavy engineering sectors, providing proven welding solutions along with robust technical support.
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AWS Class E8018-B8 Coated Electrodes Specification
| Classification | AWS A5.5, E8018-B8 |
| 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 E8018-B8 Coated Electrodes Application & uses |
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What is AWS Class E8018-B8 Coated Electrodes?
AWS E8018-B8 electrodes are low-hydrogen chromium-molybdenum alloy steel consumables, typically featuring around 9% chromium and 1% molybdenum. This specific alloy composition ensures good tensile strength, enhanced creep resistance, and reliable oxidation resistance at high temperatures. The weld metal produced boasts a minimum tensile strength of about 550 MPa, along with good toughness and stable mechanical properties after proper post-weld heat treatment. Additionally, these electrodes excel in resisting hydrogen-induced cracking.
AWS Class E8018-B8 Coated Electrodes Chemical Composition
AWS Spec | Weld Metal Analysis (%) | |
Carbon (C) | 0.05-0.10 | 0.07 |
Chromium (Cr) | 8.00-10.50 | 9.07 |
Manganese (Mn) | 1.00 | 0.75 |
Molybdenum (Mo) | 0.85-1.20 | 0.88 |
Nickel (Ni) | 0.40 | 0.08 |
Phosphorus (P) | 0.03 | 0.013 |
Silicon (Si) | 0.90 | 0.54 |
Sulfur (S) | 0.03 | 0.007 |
Mechanical Properties of AWS Class E8018-B8 Coated Electrodes
AWS Spec (min) | SR 1 HR. @ 1375°F | |
Ultimate Tensile Strength | 80,000 psi (550 MPa) | 96,000 psi (663 MPa) |
Yield Strength | 67,000 psi (460 MPa) | 76,000 psi (525 MPa) |
Percent Elongation in 2” | 19% | 25% |
AWS Class E8018-B8 Coated Electrodes Equivalent
Diameter | Type of Current | Amperage | Amperage Range | Voltage Range |
3/32” | DCEP | 95 | 70-110 | Variable |
1/8” | DCEP | 140 | 90-160 | Variable |
5/32” | DCEP | 190 | 130-210 | Variable |
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Leading Industrial Supplier of AWS Class E8018-B8 Coated Electrodes For Welding Solutions in Tunis
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 E8018-B8 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.
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AWS/ASME 5.5 E8018-B8 Coated Electrodes Tunisia, UNS W50418 Coated Welding Electrode Tunis, AWS Class E8018-B8 Welding Electrodes Sfax, Chrome Moly Industrial E8018-B8 Coated Electrodes Sousse, AWS E8018-B8 Coated Electrodes Bizerte, Chromium Molybdenum E8018-B8 Coated Electrodes Tunis, SFA A5.5 E8018-B8 Coated Electrode Sfax, Alloy 8018-B8 Welding Coated Electrode Bizerte, AWS Class E8018-B8 Coated Electrodes Supplier in Tunisia, Tunis.
Types of AWS Class E8018-B8 Coated Electrodes
AWS Class E8018-B8 Coated Electrodes Uses
AWS Class E8018-B8 coated electrodes are ideal for welding high-chromium Cr-Mo alloy steels like ASTM P91/P92 and similar materials in moderate-temperature environments. Common applications include boilers, superheaters, steam piping, pressure vessels, and refinery equipment that operate under high temperature and pressure. They find extensive use in power plants, petrochemical facilities, refineries, and the fertilizer industry. Thanks to their low-hydrogen properties, creep strength, and thermal stability, these electrodes are perfect for both fabrication and repair work.
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