Uniweld Electrodes

Welding electrodesIn arc welding, an electrode is used to conduct current through a workpiece to fuse two pieces together. Depending upon the process, the electrode is either consumable, in the case of gas metal arc welding or shielded metal arc welding, or non-consumable, such as in gas tungsten arc welding.

Additional Information:

• Production Capacity: 100MT
• Delivery Time: 2 DAYS
• Packaging Details: BOX

We Uniweld Electrodes are Manufacturers of Captain E12018M High Tensile Welding Electrodes.The Electrode is intended for welding of steels such as HY 80,N-A-XTRA70,USS T1 grades etc.

We Uniweld Electrodes are Manufacturers of Captain 308L Stainless Steel Welding Electrodes.Lma Type coating,superior weldability without spatter,self peeling slag.Best in class mechaincal properties.

Additional Information:

• Item Code: Captain308L
• Production Capacity: 100MT
• Delivery Time: IMMEDIATE
• Packaging Details: AS PER CUSTOMER NEEDS

We Uniweld Electrodes are Manufacturers of Captain 309L-15 Stainless Steel Welding Electrodes.Excellent weldability Best in class mechanical properties.

Additional Information:

• Item Code: Captain309L-15
• Production Capacity: 100MT
• Delivery Time: 7Days
• Packaging Details: Corrugated

We Uniweld Electrodes are Manufacturers of Captain 309LMo Stainless Steel Welding Electrodes.Highly crack resitant.Soft Fusion,nice aspect of the bead,slag lifts by self

Additional Information:

• Item Code: Captain309LMo
• Production Capacity: 10MT
• Delivery Time: Ready
• Packaging Details: Corrugated

We Uniweld Electrodes are Manufacturers of Captain E316L-16 Stainless Steel Welding Electrodes.Superior weldability,finely rippled bead,self peeling slag.Best in class corroision resistant.

Additional Information:

• Item Code: CaptainE316L-16
• Production Capacity: 10MT
• Delivery Time: Immediate
• Packaging Details: Corrugated Box

We Uniweld Electrodes are Manufacturers of Captain E347-15 Stainless Steel Welding Electrodes.Controlled fludity.superior weldability,self peeling slag,superior intergranular corrosion resistant.

Additional Information:

• Item Code: CaptainE347-15
• Production Capacity: 20MT
• Delivery Time: 7Days
• Packaging Details: Plastic And Corrugated Packets

For arc welding aluminums alloyed with copper, silicon, and magnesium.Also excellent for joining dissimilar grades of aluminum.

4047 12% Silicon aluminum arc welding electrode with exclusive self lifting slag. Other aluminum grades such as Al 99, Al Mn, etc. are also available.

Ÿ Unique self lifting slag.

Ÿ Pure white long shelf life extruded flux coating outlasts conventional products in moisture resistance.

Ÿ Can be manufactured in a variety of custom colors.

Ÿ Available in hermetically sealed PURE ALUMINUM pull ring cans or vacuum packed foil bags for extended shelf life.

Ÿ Also available in TIG form as item code 6047, in MIG form as item code 7091 and as a bare torch brazing alloy as item code 2191.

Flux Color: White or Custom Colors

Additional Information:

• Delivery Time: READY

Aluminium welding electrodes are consumable rods used in various welding processes, particularly Shielded Metal Arc Welding (SMAW), also known as "stick welding" or Manual Metal Arc (MMA) welding, to join aluminum and its alloys. They are designed to melt and form the weld bead, providing the necessary filler material and often containing flux to protect the weld pool from atmospheric contamination.

Here's a breakdown of key aspects:

1. Composition and Types:

• Aluminum-Silicon Alloys: The most common types, like E4043 and E4047, contain silicon as the primary alloying element.
  • E4043 (5% Silicon): A general-purpose electrode, it offers excellent fluidity, good crack resistance, and low spatter. It's often used for welding 6xxx series aluminum alloys and some 5xxx series (with low magnesium content), as well as pure aluminum and aluminum-silicon casting alloys.
  • E4047 (12% Silicon): Contains a higher silicon content, providing even better fluidity and often used for aluminum-silicon and aluminum-magnesium-silicon castings.
• Pure Aluminum Electrodes (e.g., E1100): Used for welding pure aluminum and some specific aluminum alloys where high plasticity and electrical conductivity are desired in the weld.
• Aluminum-Magnesium Alloys (e.g., E5356, E5183, E5556): These electrodes are used for welding 5xxx series aluminum alloys (which have magnesium as a primary alloying element) and sometimes 6xxx series alloys when higher mechanical properties are needed.
• Flux Coated: Aluminum welding electrodes are typically flux-coated. This flux performs several critical functions:
  • Shielding: It creates a gas shield around the arc and weld pool, protecting the molten metal from oxygen and nitrogen in the air, which can cause porosity and defects.
  • Deoxidizing: It helps to remove the stubborn aluminum oxide layer that forms on aluminum surfaces, which has a much higher melting point than aluminum itself and can hinder proper fusion.
  • Slag Formation: It forms a protective slag over the cooling weld, slowing down the cooling rate and preventing further contamination. This slag needs to be removed after welding, as it can be corrosive.

2. Properties and Challenges of Welding Aluminum:

Aluminum presents unique challenges in welding due to its properties:

• High Thermal Conductivity: Aluminum dissipates heat very quickly, requiring higher heat input and careful control to achieve proper penetration and fusion.
• Low Melting Point: While the base metal melts at a relatively low temperature, the surface oxide layer melts at a much higher temperature, making it crucial to clean the material thoroughly before welding.
• Oxidation: Aluminum readily forms a tenacious oxide layer when exposed to air. This layer must be removed or disrupted during welding to ensure good fusion.
• Hydrogen Solubility: Molten aluminum can absorb a significant amount of hydrogen, but as it solidifies, the solubility drastically decreases. This can lead to hydrogen gas forming bubbles and causing porosity in the weld if not managed properly (e.g., by ensuring clean materials and good shielding).
• Hot Cracking: Some aluminum alloys are susceptible to hot cracking during solidification, which can be mitigated by choosing the appropriate filler metal.

3. Applications:

Aluminum welding electrodes are used in various industries for welding aluminum and other non-ferrous metals, including:

• Automotive: For lightweight vehicle components.
• Aerospace: In aircraft structures and parts.
• Construction: For structural 

Additional Information:

• Production Capacity: 10MT
• Delivery Time: IMMEDIATE
• Packaging Details: PLASTIC TUBE PACKET OR CORRUGATED OR TIN PACK AS PER THE CUSTOMER WANTS

We, Uniweld Electrodes from 1995 are engaged in Exporter and Manufacturer, Wholesaler, Trader a high-quality range of Welding Electrode, Stainless Steel Electrode, Welding Cables, Metal Chain, etc.

For arc welding aluminums alloyed with copper, silicon, and magnesium.Also excellent for joining dissimilar grades of aluminum.

CAPTAIN 4047 12% Silicon aluminum arc welding electrode with exclusive self lifting slag. Other aluminum grades such as Al 99, Al Mn, etc. are also available.

Ÿ Unique self lifting slag.

Ÿ Pure white long shelf life extruded flux coating outlasts conventional products in moisture resistance.

Ÿ Can be manufactured in a variety of custom colors.

Ÿ Available in hermetically sealed PURE ALUMINUM pull ring cans or vacuum packed foil bags for extended shelf life.

Ÿ Also available in TIG form as item code 6047, in MIG form as item code 7091 and as a bare torch brazing alloy as item code 2191.

Flux Color: White or Custom Colors

Aluminil Si12 is our special coated electrode developed for welding all types of aluminium castings and applications where good colour matching with base materials is important. Typical applications include repair welding, surfacing and construction welding: window frames, aluminium tubes, furniture, aluminium castings, engine blocks, and automotive parts. The electrode has a pure white coating specifically designed to reduce moisture pick-up. For thicker plate materials (≥15 mm) it is recommended to preheat at 150°C to 250°C before welding.

Aluminium ER 4043 is an aluminum alloy welding electrode that is classified as AWS A5.10 ER4043. It is a 5% silicon aluminum alloy that is used for welding heat-treatable aluminum alloys, such as the 6XXX series base metals and cast alloys. Aluminium ER 4043 is known for its good wetting action and its ability to produce less crack-sensitive weld beads. It is commonly used in welding applications such as bicycles, trucks, trailers, automotive parts, and equipment.

Here are some of the key features of Aluminium ER 4043:

• AWS A5.10 ER4043 classification
• 5% silicon aluminum alloy
• Good wetting action
• Less crack-sensitive weld beads
• Suitable for welding heat-treatable aluminum alloys
• Commonly used in welding applications such as bicycles, trucks, trailers, automotive parts, and equipment

If you are looking for a high-quality aluminum alloy welding electrode for welding heat-treatable aluminum alloys, Universal ER 4043 is a good option

We Uniweld Electrodes are Manufacturers of Captain 8018-C2 Low Alloy Electrodes.This Electrode is Suitable for oil refinery,cryogenic vessels,to weld 3.25% Ni used for low temperature service in petrochemical industries.

Additional Information:

• Production Capacity: 100Mt

Aluminium ER 4043 is an aluminum alloy welding electrode that is classified as AWS A5.10 ER4043. It is a 5% silicon aluminum alloy that is used for welding heat-treatable aluminum alloys, such as the 6XXX series base metals and cast alloys. Aluminium ER 4043 is known for its good wetting action and its ability to produce less crack-sensitive weld beads. It is commonly used in welding applications such as bicycles, trucks, trailers, automotive parts, and equipment.

Here are some of the key features of Aluminium ER 4043:

• AWS A5.10 ER4043 classification
• 5% silicon aluminum alloy
• Good wetting action
• Less crack-sensitive weld beads
• Suitable for welding heat-treatable aluminum alloys
• Commonly used in welding applications such as bicycles, trucks, trailers, automotive parts, and equipment

If you are looking for a high-quality aluminum alloy welding electrode for welding heat-treatable aluminum alloys, Universal ER 4043 is a good option