Exothermic Welding Powder - AIWELD®
Exothermic Welding powder is also known as exothermic bonding, Thermite Welding, and Thermit Welding. There are many advantages of using Exothermic Welding powder. The most important one being that the process produces a molecular joint and not just a mechanical one in between the conductors. It is produced through a starting reactant which provides enough energy to activate the Weldinging reaction. This takes place quickly and safely inside a graphite mould.
An Exothermic welding has higher mechanical strength than other forms of welding, and excellent corrosion resistance. It is also highly stable when subject to repeated short-circuit pulses, and does not suffer from increased electrical resistance over the lifetime of the installation. However, the process is costly relative to other welding process, requires a supply of replaceable Graphite moulds, suffers from a lack of repeatability, and can be impeded by wet conditions or bad weather (when performed outdoors)
Exothermic welding is a simple, cost-effective and permanent welded connection that uses a high-temperature exothermic reaction to create a molecular bond. It does not require an external heat or power source. Exothermic welding is the universally preferred method for making permanent copper-to-copper and copper-to-steel electrical connections. Its performance is superior to all existing surface-to-surface mechanical connectors. Exothermic welding works when others won’t!
Exothermic welding is usually used for Exothermic Welding copper conductors but is suitable for Exothermic welding a wide range of metals, including stainless steel, cast iron, common steel, brass, bronze, and Monel. It is especially useful for joining dissimilar metals. The process is marketed under a variety of names such as AIWELD®
Exothermic welding is a simple, efficient, high quality metal connection method ,Exothermic welding by aluminothermic reaction generated by high temperature to make completely molten metal, in order to achieve high quality welding effect. This reaction is conducted in the graphite mould of high temperature resistance, exothermic reaction process takes only a few seconds.
The mould is designed specifically for a certain union depending on the elements to be Welding and the joint type required. We guarantees all types of joints, not only copper cable unions but also to Welding tapes, brass metallic pieces, stainless steel, steel ground rods covered with copper, etc. It is especially useful for joining dissimilar metals.
Exothermic Welding Process:
The process of Exothermic Welding is a method of making electrical connections of copper to copper or copper to steel in which no outside source of heat or power is required. In this process, a special Welding material is placed into a high temperature resistant mold and ignited. The process of igniting the particles creates extremely high heat and molten metal (exothermic reaction) up to 1400 degree celsious, and produces a molten metal slag. This liquid copper metal flows into the Welding cavity, filling any available space and completes the Welding. The Welding is then allowed to cool and solidify before it is removed from the mold. The mold is ready for the next Welding after a brief cleaning with a brush. This entire process takes only seconds to complete.
Exothermic Welding connections produce a permanent connection, superior in performance to any known mechanical or pressure type surface-to-surface contact connector. Because the connection produced is a molecular bond, an exothermic Weldinged connection will not loosen or increase in resistance over the lifetime of the installation.
The Exothermic Welding System is a welding process that utilizes an exothermic reaction to permanently join metal connections. Exothermic Welding uses a light-weight, clamp-on graphite mold to safely position and contains any weld required. The exothermic reaction creates an intense miniature furnace with temperatures exceeding 2,500 °F, instantly producing molten metal which flows into the weld cavity, filling any available space. After waiting adequate time after the initial process, the mold can be released and the finished connection removed.
Advantages of using Exothermic Welding:
- It guarantees the most common connections not only between copper cables but also for Weldinging tapes and metallic pieces made of brass, stainless steel, and copper coated steel earth rods. Current carrying (fusing) capacity equal to or greater than the conductor.
- It offers a permanent Weldinging and a low resistance connection, essential for achieving longwearing and trustworthy results in earthing.
- It does not corrode oxide or degrade with time and is resistant to galvanic coupling.
- It has higher mechanical and squeezing resistance than the conductors themselves.
- It has a superior electrical conductivity than the conductors themselves.
- Permanent molecular bond that will not loosen or corrode
- It is able to withstand repeated electrical discharges.
- No external power or heat required.
- Can be checked visually for quality
- It never increases its resistance.
- Will withstand repeated faults
- Will not deteriorate with age.
- No special skills required.
- Easily transportable
- Low labor costs
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Amiable Impex is the only Company in India that offer Quality of Exothermic Welding Powder and Exothermic Welding Accessories at reasonable rate and ensures delivery within 10 to 15 days in India. Get high quality of Our products at quickest lead time with fast response time. Full Customer Satisfaction. Our Products are tested and approved by CPRI Govt Body, Its also CE and ROHS Certified and we are also certified by ISO 9001:2008, Crisil verified Company.
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