Conra Welding Supplies, a leading manufacturer and supplier located in Houston, USA, provides an extensive selection of specialized welding products, including the AWS Class E8018-B8 coated electrodes. Renowned for their precision manufacturing and unwavering product quality, Conra caters to industries that require high-temperature and high-pressure performance. The E8018-B8 electrodes are meticulously designed for welding 9Cr-1Mo steels, which are often utilized in critical settings like power generation and refinery systems. With a strong emphasis on durability, strength, and compliance with industry codes, Conra guarantees that its electrodes meet the rigorous standards for reliability and weld integrity, even in extreme service conditions.
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| 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 |
|
AWS Class E8018-B8 electrodes are crafted with about 9% chromium and 1% molybdenum, making them perfect for welding high-strength, creep-resistant steels. These low-hydrogen electrodes boast impressive mechanical properties, featuring a tensile strength of roughly 80,000 psi and commendable toughness. They excel in high creep resistance and oxidation stability at elevated temperatures. The basic coating ensures smooth arc performance, minimal spatter, and easy slag removal. Their metallurgical design guarantees reliable weld quality for components that endure prolonged thermal stress and corrosive environments.
| 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 |
| Class | UNS | Oxford Alloys | BOHLER |
| E8018-B8 | W50418 | Alloy 8018-B8 | BOHLER FOX CM 9 KB |
| 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% |
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Conrad Welding Supplies is a leading manufacturer and supplier of premium AWS Class E8018-B8 Coated Electrodes in Houston , USA. Specializing in advanced welding solutions. We offer a comprehensive range of products. Including coated electrodes, welding electrodes, flux core, MIG & TIG welding wires, SAW flux and filler wires. Renowned for dependable delivery and exceptional customer service. We are dedicated to providing high-quality welding materials that deliver durability and performance for diverse industrial applications. Our commitment to excellence has made us a trusted partner for all your welding requirements.
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AWS Class E8018-B8 electrodes are extensively utilized in welding 9Cr-1Mo steels for critical high-temperature applications. They play a vital role in power plants, petrochemical refineries, and fossil fuel-fired boilers, especially for steam piping, headers, superheaters, and heat exchangers. These electrodes help maintain structural integrity and resist thermal fatigue, making them ideal for environments subjected to sustained temperatures exceeding 1000°F (538°C). E8018-B8 is the go-to choice in scenarios where long-term creep strength, oxidation resistance, and metallurgical stability are essential, ensuring safety and durability in demanding conditions.
We provide high-quality electrodes, filler wire, MIG and TIG welding wires to a wide range of industries, including oil and gas, food, marine, petrochemical, power generation, and aerospace.
Conrad Welding Supplies is a leading manufacturer, supplier and exporter of high-quality Coated Electrodes, Flux Core, MIG & TIG wires, SAW & Flux, Welding Wires, and Filler Wires, catering to various industries in Houston , USA
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