All Types of Welding

Welding is a fabrication process that lets you join materials like metals by using heat at high temperatures. Welding uses high temperature to join the materials, whereas soldering and brazing do not allow the base metal to melt. After cooling, the base metal and the filler metal get attached.

The welding process came to light when there was a search for the technique for developing iron into useful shapes. Welded blades were the first result of welding in the early years—the carburization of iron produced hard steel that was very brittle for usage. Later interlaying the rigid and soft iron with high-carbon material and hammer forging resulted in a tough and durable blade.

Advantages and Disadvantages of Welding

Advantages

  • Welding establishes strong, durable, and permanent joint links.
  • It is a simple process that results in a great finish.
  • The technique, when used with filler material, produces a stronger weld than the base material.
  • It can be performed at any place
  • It is an economical and affordable process
  • It is used in various sectors like construction, automobile, and many more industries.

Disadvantages

  • It is hazardous when performed under the safety and security guidelines.
  • It is a difficult task to dismantle the joined material through welding.
  • Requires skilled labor and electric supply.

  • Forge Welding

    Forge welding is the early version of welding where it was used to join the small iron pieces to make larger valuable pieces. It is the simplest welding method where two metals are heated and joined, and later hammered for the finishing purpose.

  • Arc Welding

    Arc welding is the most common type of welding seen today. Arc welding is a type of welding in which an electric arc is created to heat and join metals. Tiny globules of molten metal are transferred from the metal electrode to the weld joint.

  • Oxy-Fuel Welding

    Oxy-fuel welding is oxy welding, gas welding, or oxy acetylene welding. This process uses the combustion of fuel gases like acetylene and oxygen to weld or cuts the metals. Edmond Fouché and Charles Picard, French engineers in 1903, developed Oxy-fuel welding.

  • Shielded Metal Arc Welding

    Various names like flux shielded arc welding, manual metal arc welding, or stick welding are known as shielded metal arc welding. It is a manual welding process that uses an electrode covered with flux to perform welding.

  • Gas Metal Arc Welding

    Gas metal arc welding in which an electric arc is formed between a consumable metal inert gas wire electrode and the workpiece metal. The generated heat melts the workpiece metal and is then joined. It is a semi-automatic or automatic process which uses AC or DC from the power supply.

  • Submerged Arc Welding

    Submerged arc welding is a type of arc welding process that involves forming an arc between the electrode and the workpiece. A blanket of granular fusible material shields the arc on the work.

  • Flux-Cored Arc Welding

    Flux-cored arc welding is a semi-automatic or automatic arc welding process. Flux-cored arc welding is similar to the metal active gas welding process. It uses a continuous wire fed electrode and a constant-voltage welding power supply.

  • Electroslag Welding

    Electroslag welding is the most effective welding used to weld materials more significant than 25 mm up to about 300 mm. In electro slag welding, heat is generated by passing electricity between the filler metal and the workpiece through a molten slag covering the weld surface.

  • Laser Beam Welding

    Laser beam welding is the process in which the metal or thermoplastic materials are joined together with the aid of LASER (Light Amplification by Stimulated Emission of Radiation). It is an efficient technique that can perform deep welds.

  • Electron Beam Welding

    Electron beam welding is a technique in which high-velocity electrons are applied to the materials to be welded. Electron beam welding is undertaken under vacuum conditions to prevent dissipation of the electron beam.

  • Magnetic Pulse Welding

    Magnetic pulse welding is a technique that uses magnetic force to weld two materials together. It is the solid-state welding developed in 1970 and is used extensively in automotive industries. It is the fastest way of welding, which consumes only microseconds without the need for welding consumables or shielding gases.

  • Friction Stir Welding

    Friction stir welding is also a solid-state welding process that uses frictional heat generated by a rotating tool to join materials.