Melting point of metal during welding

1. Gas welding. The fuel gases used are acetylene and oxygen. Each gas is capable of heating and melting any metal. Melting point of metal during welding reaches 3000⁰C. This type of welding requires oxygen, acetylene flammable gas, gas supply hoses from a cylinder, and a gas torch to generate a flammable mixture. The weld is heated until it reaches a molten state, then a filler material is added, which fuses with the base metal to form a weld.
2. Arc welding. The energy source in this type of welding is an electric arc discharge, which occurs when the parts to be welded touch one pole of the power source and the electrode touches the other pole. The electrode and the arc discharge are moved, and filler material is required to form a strong joint.
3. Argon arc welding. A progressive welding process for non-ferrous metals. A consumable wire electrode matched to the metal being welded is used, or a non-consumable tungsten electrode is used, primarily for critical structures, with filler metal fed from the side. This type of welding is particularly effective for titanium and its alloys.

Melting point during welding titanium 1668⁰ C, and argon arc welding 2000⁰ S. The fact is that titanium at a temperature of 500⁰Titanium begins to react actively with the environment and oxidize. In this type of welding, argon acts as a shield against the atmosphere, and the titanium remains unaffected. The alloy melts uniformly, resulting in a smooth and clean weld. These are just some of the types of fusion welding. There are agents that facilitate the melting of the metal—fluxes, which dissolve oxides at elevated temperatures and promote a smooth weld. Other agents include slags and shielding gases, which are injected into the weld zone.