AWS Class E8018-B2 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 pressure-grade welding consumables designed for high-temperature alloy steel applications. They provide AWS Class E8018-B2 coated electrodes that are crafted to ensure low-hydrogen weld deposits, consistent arc stability, and dependable mechanical performance. Produced under rigorous quality control and in line with 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 with reliable products backed by solid technical expertise.
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AWS Class E8018-B2 Coated Electrodes Specification
| Classification | AWS A5.5, E8018-B2 |
| 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-B2 Coated Electrodes Application & uses |
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What is AWS Class E8018-B2 Coated Electrodes?
AWS E8018-B2 electrodes are low-hydrogen chromium-molybdenum alloy steel consumables, typically featuring around 1.25% chromium and 0.5% molybdenum. This unique blend enhances strength, creep resistance, and toughness at higher temperatures. The weld metal produced boasts a minimum tensile strength of about 550 MPa, along with good impact toughness and stable mechanical properties after the right post-weld heat treatment. These electrodes also show remarkable resistance to hydrogen-induced cracking and deliver smooth arc characteristics.
AWS Class E8018-B2 Coated Electrodes Chemical Composition
C | Mn | Si | P | S | Cr | Mo |
0.05- | 0.90 | 0.80 | 0.03 | 0.03 | 1.00- | 0.40- |
0.12 | max | max | max | max | 1.50 | 0.65 |
Mechanical Properties of AWS Class E8018-B2 Coated Electrodes
Tensile Strength MPa (ksi) | Yield Strength MPa (ksi) | Elongation | |
AWS | 550 (80) min | 460 (67) min | 19 min |
Typical Results – As welded | 670 (97) | 590 (97) | 25 |
AWS Class E8018-B2 Coated Electrodes Equivalent
Diameter | Process | Volt | Amps (flat) | Amps (V/OH) | |
in | (mm) | ||||
3/32 | (2.4) | SMAW | 21-25 | 65-80 | 65-75 |
1/8 | (3.2) | SMAW | 21-25 | 90-110 | 80-95 |
5/32 | (4.0) | SMAW | 21-26 | 135-160 | 120-140 |
3/16 | (4.8) | SMAW | 22-26 | 160-210 | 140-160 |
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Leading Industrial Supplier of AWS Class E8018-B2 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-B2 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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Types of AWS Class E8018-B2 Coated Electrodes
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AWS Class E8018-B2 Coated Electrodes Uses
AWS Class E8018-B2 coated electrodes are ideal for welding Cr-Mo low-alloy steels like ASTM P11 and similar materials. Common applications include boilers, pressure vessels, heat exchangers, steam piping, and refinery equipment that operate under moderate to high temperatures. They find extensive use in power plants, petrochemical facilities, refineries, and the fertilizer industry. Thanks to their low-hydrogen properties, excellent creep strength, and thermal stability, these electrodes are perfect for critical fabrication, repair, and maintenance welding that demands long-lasting service.
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