A Simple Description Of The Selection Principle Of Welding Consumables

            Welding consumables are usually divided into two kinds of welding wire and welding rod, but if according to the chemical composition of welding materials to classify the words can be divided into carbon steel, low alloy steel, stainless steel, cast iron, copper and copper alloy, aluminum and aluminum alloy, nickel base alloy electrode, cobalt base alloy electrode, silver electrode, alloy electrode and other seven categories. Therefore, we must follow the following principles in the daily selection of welding materials, otherwise it is very easy to appear the phenomenon of waste welding material.Welding Consumables

            Selection principle: 1, according to the mechanical properties of the masterbatch, chemical composition, welding performance and combined with the structure of the pressure vessel characteristics, the use of conditions and welding methods and other factors to consider the selection of welding materials, when necessary, through the test to determine. 2. The performance of weld metal shall be higher than or equal to the lower limit of the standard specified value of the corresponding base material or meet the technical requirements of the drawing requirements.Welding Consumables

            China is now the world's largest production of welding materials, mainly to low grade common electrode mainly, but the High-tech content of the welding products accounted for a relatively small proportion. Welding materials have been widely used in transport tools manufacturing, machinery manufacturing, petrochemical equipment manufacturing. At present, the application demand of semi-automatic and automatic welding materials in automobile and rail vehicles is increasing; in the construction and bridge industry, manual welding is facing semi-automatic, automatic welding transformation, bridge construction with solid wire, flux cored wire will have a greater development. In the shipbuilding industry has been in the use of flux-cored wire gas shielded welding and submerged arc welding technology; With all walks of life and international standards, its requirements for welding materials will be more and more high, which requires us to improve the technical content of welding materials, otherwise our entire market will stagnate or be eliminated from this market.Welding Consumables