Welding Electrode Manufacturer & Supplier in Europe

Welding Electrode Manufacturer - Piping Projects Europe

Welding Electrode Manufacturer in Europe

What are Welding Electrode?

A Welding Electrode is a type of filler metal used to link two or more pieces of metal together in various welding techniques. It is a consumable that melts during the welding process to form a bond between the workpieces. The welding electrode used is determined by criteria such as the welding method, the type of metal being welded, and the specific requirements of the welding project.

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What are the Different Types of Welding Electrodes?

Welding electrodes are classified into several varieties, each of which is intended for a certain welding procedure, material, or application. Some of the most prevalent types of welding electrodes are as follows:

  • Flux-Cored Electrodes (FCAW - Flux-Cored Arc Welding):
    Gas-shielded flux-cored wire electrodes combine the benefits of a flux core with the use of an external shielding gas, making them versatile for welding a wide array of materials while ensuring effective protection against atmospheric contaminants. In contrast, self-shielded flux-cored wire electrodes are self-contained and do not rely on external shielding gas, making them ideal for outdoor or field welding where access to a gas supply may be limited or impractical. These self-shielded electrodes offer increased convenience and mobility in various welding scenarios.
  • Stick Electrodes (SMAW - Shielded Metal Arc Welding):
    Rutile electrodes (E6013) are adaptable, general-purpose welding electrodes that are good for mild steel welding due to their rutile (titanium dioxide) covering. For deep penetration welding, cellulose electrodes (E6010 and E6011) with cellulose-based coatings are preferable, especially in difficult locations such as vertical and overhead. Meanwhile, basic electrodes (E7018) have low-hydrogen coatings, making them ideal for welding high-strength and low-alloy steels, with outstanding mechanical qualities and a low danger of weld cracking.
  • TIG Electrodes (GTAW - Gas Tungsten Arc Welding):
    Tungsten electrodes are available in a variety of shapes and sizes to suit specific welding applications. Pure tungsten electrodes are excellent at high temperatures, making them perfect for welding nonferrous metals such as aluminum and magnesium, although they require a separate filler rod. Thoriated tungsten electrodes with thorium oxide are commonly used for direct current welding of stainless steel, mild steel, and nickel alloys. Ceriated tungsten electrodes with cerium oxide content are helpful for AC and DC welding in various metals. Lanthanated tungsten electrodes with lanthanum oxide are equally adaptable and suited for AC or DC welding of various materials, making them an excellent choice for welders.
  • MIG Electrodes (GMAW - Gas Metal Arc Welding):
    Solid wire electrodes are intended for use with a shielding gas and come in a variety of compositions to match the exact base metal being welded, allowing for adaptability and precision in welding applications. Flux-cored wire electrodes, on the other hand, include a flux core, which eliminates the requirement for external shielding gas, but it can be employed if desired. These electrodes are especially well-suited for welding thick materials and are known for their fast deposition rates, making them an effective solution for activities that need rapid metal deposition and robust welds.
Welding Electrode Manufatcurer, Supplier and Dealer in Europe

Welding Electrode

Welding Electrode Manufacturer in Europe
Welding Electrode Supplier in Europe
Welding Electrode Dealer in Europe

Welding Electrode - Specifications

  • Product : Welding Electrode
  • Size : 0.80 to 5.00 mm
  • Standard : AWS A5.11
  • Form : TIG, MIG, Welding
  • Length : 250 to 450mm
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What are the Differences Between Non-Consumable (Refractory) Electrodes & Consumable (Metallic) Electrodes in Welding?

  • In welding procedures, non-consumable (refractory) electrodes and consumable (metallic) electrodes are distinguished. Non-consumable electrodes, which are commonly constructed of tungsten, remain virtually unaltered during welding since they do not melt or form part of the final weld. They instead generate and maintain the welding arc while a separate filler material is supplied to produce the weld joint, making them appropriate for methods such as Tungsten Inert Gas (TIG) welding.
  • Consumable (metallic) electrodes, on the other hand, are intended to melt and fuse with the base metal during welding. These electrodes, which are used in welding procedures such as Stick (SMAW) and Metal Inert Gas (MIG), supply both the heat source and the filler material, resulting in a welded junction in which the electrode material becomes an integral component of the joint.

Welding Rod Amperage Chart

Amperage Chart of Welding Electrode
Dia of Electrode (in.) E6013 E6012 E6020 E7048 E6010. E6011 E6019 E7015, E7016 E6022 E7024. E7028 E7014 E6027, E7027 E6018. E7018. E7018M
1/8 80 130A 80 140A 100 150A 80 - 140A 75 125A 80 140A 100 150A 110 - 160A 140 190A 110 - 160A 125 185A 105 155A
1/16 20 40A 20 40A N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A.
3/32 45 - 90A 35- 85A N.A. N.A 40 80A 50 90A 65 110A N.A. 100 145A 80 - 125A N.A. 70 - 110A
3/16 150 230A 140 240A 175 250A 210 270A 140 - 215A 190 250A 180 255A 170 400A 230 - 305A 200 275A 210 300A 200 275A
5/32 105 180A 110 190A 130A - 190A 150 220A 110 - 170A 130 190A 140 200A 140 190A 180 - 250A 150 210A 160 240A 130 - 200A
5/64 25 - 60A 25 60A N.A N.A. N.A. 35 55A N.A. N.A. N.A. N.A. N.A N.A
7/32 210 300A 200 320A 225 310A N.A 170 250A 240 310A 240 320A 370 520A 275 - 365A 260 340A 250 350A 260 - 340A
5/16 320 - 430A 300 500A 340 450A N.A. 275 - 425A 360 410A 375 475A N.A. 400 525A 390 500A 375 475A 375 - 470A
1/4 250 350A 250 400A 275 375A N.A. 210 320A 310 360A 300 390A N.A. 335 430A 330 415A 300 420A 315 400A

Welding Electrode Coating Material Chart

Coating Material Chart of Welding Rod
Type of Coating Type of Current
iron powder, Low hydrogen potassium DC+ or DC-, AC
High cellulose potassium DC+ or DC-, AC
High titania sodium DC-, AC
High titania potassium DC+, AC
iron powder, High iron oxide DC+ or DC-, AC
Low hydrogen sodium DC+
High cellulose sodium DC+
titania, Iron powder DC+ or DC-, AC
Low hydrogen potassium DC+, AC

What is the Process for Classifying Welding Rods?

  • Welding rod categorization is a systematic process that entails assigning specific codes or designations to these consumable electrodes depending on a variety of parameters. The type of electrode (e.g., stick electrode, flux-cored wire, solid wire), the welding process (e.g., shielded metal arc welding, gas metal arc welding, gas tungsten arc welding), the type of shielding or flux used (e.g., cellulose, rutile, basic), and the material compatibility (e.g., carbon steel, stainless steel, aluminum) are typically among these factors.
  • Other properties such as electrode diameter, tensile strength, and location suitability may also be included in the classification scheme. These codes and designations offer welders with essential information about the qualities of the electrode, allowing them to choose the best welding rod for a certain welding task and assuring safety.

Chemical Composition of Welding Electrode

Chemical Composition of Welding Electrode
Welding Electrode Grades
C 0.05-0.1
Mn 0.35-0.60
Si 0.2-0.5
P 0.025 MAX
S 0.025 MAX

Mechanical Properties of Welding Electrode

Mechanical Properties of Welding Electrode
Welding Electrode Grades
Yield Strength 460 Mpa
Tensile Strength 480 Mpa
Charpy at 20°C 80 J
Elongation 24%

What are the Advantages of Flux Cored Welding Electrodes?

Flux Cored Welding Electrodes provide a number of features that make them a popular choice in a variety of welding applications.

  • High Rates of Deposition: When compared to solid wire electrodes, one of the primary advantages of flux-cored electrodes is their capacity to deposit a greater amount of weld metal per unit of time. This is especially useful when working on tasks that demand efficient and quick welding because it can save time and boost productivity.
  • Enhanced Penetration: Flux-cored electrodes are well-known for their ability to penetrate deeply. This makes them ideal for welding thick materials and producing strong, full-penetration welds, even on materials with surface impurities like rust.
  • Versatility: Flux-cored electrodes are suitable for a wide range of welding applications, including overhead and vertical welding. Because of their adaptability, they may be used for a wide range of welding operations, from construction and shipbuilding to pipeline welding and repair.
  • Cost-Efficiency: When compared to alternative welding methods, flux-cored welding can be more cost-effective, especially in applications requiring high deposition rates. Reduced equipment expenses, fewer passes, and higher production all help to save money.

Welding Electrode Equivalent Grades

Welding Electrode Equivalent Grades
Material Type ASTM/ASME (USA) EN (Europe) DIN (Germany) BS (UK) JIS (Japan) ISO (International)
Carbon Steel A36 S235JR ST37-2 40A/B SS400 ISO 630-2 S235
304/304L 1.4301/1.4307 X5CrNi18-10 304S15 SUS304 ISO 15510 X5CrNi18-10
316/316L 1.4401/1.4404 X5CrNiMo17-12-2 316S31 SUS316 ISO 15510 X5CrNiMo17-12-2
Aluminum 6061 EN AW-6061 AlMg1SiCu H20 AA6061 ISO 6361 6061
Copper C11000 Cu-ETP E-Cu58 C101 C1100 ISO 13388 Cu-ETP

What is the Meaning of Numbers & Letters on a Welding Electrode?

  • The alphanumeric code on Welding Electrodes acts as a standardized labeling system, conveying important information about the electrode's qualities. The first section of the code often identifies the intended use and welding technique of the electrode. For example, "E" frequently denotes an electrode, whereas digits such as "6010" or "7018" define the type of electrode. "6010" electrodes are often used for cellulose-coated electrodes, whereas "7018" electrodes are typically used in shielded metal arc welding (SMAW).
  • The tensile strength of the weld metal produced by the electrode is frequently denoted by the following values in the code. In the case of "7018," the "70" represents a tensile strength of about 70,000 pounds per square inch (psi). Higher numbers often suggest more robust electrodes. Furthermore, particular electrodes may have letters in the code to indicate positional compatibility, such as "R" for all locations or "H" for horizontal welding. Understanding these codes is critical for welders because it allows them to choose the best electrode for welding activity.

Production Process of Welding Electrode

Welding Electrode is produced in seven steps. It manufactures a wide range of shapes, goods, and parts, ranging from Welding Electrode and Coil.

  • Step 1 : The process of manufacturing welding electrode begins with the selection of appropriate raw materials. Carbon steel, alloy steel, and stainless steel are commonly used materials for welding electrode, with the choice of material depending on the specific requirements of the welding electrode and its intended application. The selection of the right material is crucial to ensure that the welding electrode can withstand the harsh conditions within the welding electrode and operate efficiently.
  • Step 2 : Tube Billet Preparation
    Once the appropriate raw material has been selected, it is cast or forged into tube-shaped billets. These billets serve as the starting point for creating seamless tubes. The billets are heated to the desired temperature and then pierced with a mandrel to create a hollow tube. The tube is then rolled to the desired size and thickness, with precision control over the dimensions to ensure that the final product meets the required specifications.
  • Step 3 : Heating and Piercing
    Once heated to the desired temperature, they are pierced using a mandrel or piercing mill. This process creates a hollow center in the billet. The mandrel or piercing mill helps to ensure precise dimensions and a smooth internal surface, which is crucial for efficient heat transfer. The hollow billet is then rolled to the desired size and thickness, with precise control over the dimensions to ensure that the final product meets the required specifications.
  • Step 4 : Sizing and Reduction
    After the hollow billet has been pierced, it is passed through various sizing and reducing mills to achieve the precise outer diameter and wall thickness required for the welding electrode. The tube is rolled and stretched to the desired dimensions, with precision control to ensure that the final product meets the required specifications. This process is critical to ensure that the welding electrode can withstand the harsh conditions within the welding electrode and operate efficiently.
  • Step 5 : Heat Treatment
    To enhance the mechanical properties and remove internal stresses, the tubes undergo heat treatment processes such as annealing, normalizing, or quenching and tempering. The specific treatment depends on the material and intended use of the tube.
  • Step 6 : Finishing and Cutting
    These processes can include straightening, end facing, and surface polishing. Straightening helps to ensure that the tubes are free from any bends or deformities, while end facing ensures that the ends of the tube are smooth and flat, ready for installation. Surface polishing removes any surface defects and improves the overall appearance of the tube.
  • Step 7 : Testing
    Quality control is an essential aspect of the production process, especially in the manufacturing of tubes. To ensure that the tubes meet industry standards and safety requirements, various tests are conducted. These tests may include non-destructive testing, such as ultrasonic or radiographic testing, hydrostatic testing, and visual inspections. The results of these tests help us ensure that the tubes we produce are of the highest quality possible.

What are the Best Welding Electrodes for Welding Stainless Steel?

  • E308 / E308L: These electrodes are best suited for welding austenitic stainless steel grades such as 304 and 304L. They are resistant to corrosion and can be used for both vertical and overhead welding. Because E308L electrodes have a reduced carbon content, they are frequently used to weld 304L stainless steel to reduce the danger of carbide precipitation and intergranular corrosion.
  • E309 / E309L: These electrodes are ideal for connecting different metals or stainless steel to carbon steel. They can work with a variety of stainless steel grades, including 309, 310, and 316, and they provide good strength and corrosion resistance.
  • E316 / E316L: These electrodes are designed for welding austenitic stainless steels such as 316 and 316L and offer good resistance to pitting and crevice corrosion. They are often employed in industries where chemical corrosion resistance is critical, such as the food and pharmaceutical industries.
  • E2209 / E2209L: These duplex stainless steel electrodes are used to weld duplex and super-duplex stainless steel alloys, which are noted for their excellent strength and corrosion resistance in harsh conditions.

Welding Electrode Used in Industries

  • Welding Electrode Used in Tractor
  • Welding Electrode Used in Automotive Trim
  • Welding Electrode Used in Stamped Machined Products
  • Welding Electrode Used in Cookware
  • Welding Electrode Used in Appliances
  • Welding Electrode Used in Kitchen
  • Welding Electrode Used in Sinks
  • Welding Electrode Used in Railway Cars
  • Welding Electrode Used in Foodservice Equipment
  • Welding Electrode Used in Trailers
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