Shanti Metal Supply Corporation

E8016-B6 is a low-hydrogen, all-position welding electrode classified under the AWS A5.5 (also ASME SFA-5.5) specification. It is specifically designed for welding low-alloy, heat-resistant steels that are used in high-temperature and high-pressure applications, such as those found in power plants, oil refineries, and chemical processing facilities. The electrode contains approximately 5% chromium and 0.5% molybdenum, which gives the weld metal excellent strength and resistance to heat and corrosion. E8016-B6 is commonly used to weld materials like ASTM A387 Grade 5 steel. Proper handling is essential; the electrode must be kept dry and is typically baked before use to avoid hydrogen-induced cracking. Additionally, both preheating and post-weld heat treatment are generally required to ensure optimal weld quality and prevent cracking. This electrode offers high tensile strength, good ductility, and stable arc performance, making it suitable for critical structural and pressure-boundary applications in demanding environments.

E309L-16 is a stainless steel welding electrode classified under the AWS A5.4 specification, commonly used in shielded metal arc welding (SMAW). It is designed for welding dissimilar metals, particularly when joining stainless steel to carbon steel or low-alloy steel. The "309" indicates that the electrode contains higher levels of chromium (around 23%) and nickel (around 13%), which provide excellent corrosion and oxidation resistance. The "L" denotes low carbon content, which helps reduce the risk of carbide precipitation and intergranular corrosion, especially in high-temperature applications. The "-16" suffix refers to the type of coating and the welding current compatibility—this electrode has a rutile (titania-based) coating and is designed for use with both AC and DC currents.

E309L-16 is widely used in industries like petrochemical, power generation, and food processing where corrosion resistance is crucial and dissimilar metal welding is common. It produces a stable arc, smooth bead appearance, and minimal spatter, making it relatively easy to use. Because of its low carbon content, it’s particularly suitable for applications requiring high resistance to heat and corrosion while maintaining the structural integrity of the weld over time. While it can be used for welding similar stainless steels, its main advantage lies in joining different types of metals where conventional electrodes may lead to cracking or failure due to differing thermal and mechanical properties.

ERNiCu-7 is a nickel-based welding electrode or filler metal specifically designed for gas tungsten arc welding (GTAW/TIG) and gas metal arc welding (GMAW/MIG). It is primarily used for welding nickel-copper alloys, such as Monel 400 and Monel K-500, which are known for their excellent resistance to corrosion, particularly in marine and chemical environments. ERNiCu-7 is composed mainly of nickel and copper, with small amounts of other elements like iron and manganese to improve welding performance. This electrode provides good resistance to seawater, salts, and acids, making it ideal for use in industries like marine engineering, chemical processing, and oil and gas. It produces welds with good strength, ductility, and corrosion resistance, and is also commonly used for joining dissimilar metals, such as nickel-copper alloys to carbon steel or other nickel-based alloys.

•  It has outstanding oxidation resistance and carburization, as offered by its composition's high nickel and chromium content. The addition of silicon more enhances the oxidation resistance property.It has good quality heat-resistance up to about 1100°C.It has exceptional carburization, nitridation, and oxidation resistance. It has Low sulfidation resistance.It is easily Weldable, and no pre-weld or post-weld heat treatment is needed for the processing.It is extremely resistant to chloride stress corrosion crackin

Additional Information:

• Item Code: E330

Additional Information:

• Item Code: ERCOCRA
• Delivery Time: READY STOCK
• Packaging Details: 5 KG PACKING

E347 welding electrodes are specialized consumables designed primarily for welding stainless steel alloys, particularly the 347 grade, which is a stabilized austenitic stainless steel. The key feature of this alloy is its resistance to intergranular corrosion, even after exposure to high temperatures, due to the presence of niobium (also known as columbium) which stabilizes the steel by preventing chromium carbide formation at the grain boundaries. E347 electrodes are formulated to match this composition and performance, offering excellent corrosion resistance, good mechanical properties, and resistance to oxidation in high-temperature environments.

These electrodes are commonly used in the welding of equipment and piping in chemical processing plants, power generation facilities, food processing industries, and other applications where corrosion resistance and high-temperature performance are essential. The stabilized nature of E347 makes it suitable for applications involving repeated thermal cycling or prolonged exposure to elevated temperatures, where unstabilized grades might fail due to sensitization.

In terms of welding characteristics, E347 electrodes offer good arc stability, low spatter, and produce a smooth weld bead with minimal slag. They are typically used with a direct current electrode positive (DCEP) power source and can be applied in all positions, although flat and horizontal positions tend to give the best results. Preheating is generally not required, and post-weld heat treatment is usually unnecessary due to the alloy's stabilized nature.

Overall, E347 welding electrodes are an excellent choice for fabricating or repairing components made from 347 stainless steel or similar stabilized grades, especially when resistance to high-temperature corrosion and mechanical stability are required.

Xuper 660 NH is a type of welding electrode, specifically designed for high-strength and wear-resistant applications. It is often used in hardfacing operations, where a tough and durable surface layer is required to withstand abrasion, impact, and metal-to-metal wear. The "NH" in the name typically stands for "non-hardening" or "non-hydrogen," depending on the manufacturer’s terminology, indicating that it offers good crack resistance or low hydrogen content. Xuper 660 NH is commonly used in industries like mining, construction, and agriculture to repair or protect components such as crusher jaws, conveyor screws, and earthmoving equipment. It provides a strong weld deposit that maintains its integrity even under heavy stress and harsh operating conditions.

The weld metal produced by Xuper 660 NH has high tensile strength and excellent resistance to cracking and deformation. This makes it ideal for overlaying surfaces that are exposed to high mechanical stress, friction, or repeated impact. Once applied, the weld bead forms a tough protective layer that can extend the life of equipment and reduce downtime due to wear-related failures. Because of its excellent metallurgical properties, it can be applied to a wide variety of steels, including carbon steels, low-alloy steels, and manganese steels, which are commonly found in heavy-duty machinery and structural components.

Xuper 660 NH stands out for its versatility, toughness, and user-friendly performance in the field. It combines excellent welding characteristics with superior metallurgical strength, making it a reliable choice for both emergency repairs and scheduled maintenance work.