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How much do you know about welding materials? Super full inventory not to be missed!
Tens of millions of welding materials, what do you know in detail? Many small partners consult Xiaobian about the characteristics of some welding materials, as well as the application of some common materials and so on. After collecting and sorting out these problems, it is found that in fact, we do not have a very good understanding of some common welding materials, and even there are some misunderstandings. Today, Shuanghua welding and cutting will make a comprehensive inventory of common welding materials, and those who want to know must not miss it ~
08-11
2023
Considerations for Welding Materials (Electrodes, Wires and Submerged Arc Flux)
1. Welding rod (1) Stainless steel welding rod usually has two kinds of titanium calcium type and low hydrogen type. Welding current as far as possible the use of DC power supply, is conducive to overcome the welding rod redness and penetration. The electrode of titanium calcium type drug skin is not suitable for all-position welding, only suitable for flat welding and flat fillet welding. The electrode of low hydrogen type drug skin can be welded in all positions.
Maintenance of welding materials
1. The welding material warehouse shall be kept at a suitable temperature and humidity, with a temperature of ≧ 5 ℃ and a relative humidity of ≦ 60%. The room shall be kept clean and dry, and harmful media shall not be stored. Every day after work, before work temperature and humidity inspection (not less than twice a day) and record.
Principles for selection of welding materials
The welding materials shall be selected according to the chemical composition, mechanical properties and welding performance of the base metal and in combination with the structural characteristics, service conditions and welding methods of the pressure vessel, and shall be determined through tests if necessary.
Application of Welding Materials
Electrodes can be divided into two categories: acid electrode and alkaline electrode. The acid electrode commonly used in production is titanium calcium electrode, and the alkaline electrode is low hydrogen electrode mainly composed of carbonate and fluorite. Acid electrode arc is more stable, strong adaptability, AC and DC welding machine can be applied, but the mechanical properties of the weld is general, crack resistance is poor. Alkaline electrode arc ignition is more difficult, arc is not stable, poor adaptability, only suitable for DC arc welding machine, but the mechanical properties and crack resistance of the weld is better, suitable for medium carbon steel, high carbon steel welding.
Market analysis of welding materials
According to APO's statistics and forecasts, the global welding materials market will reach $1.627 billion in 2022 and is expected to reach $2.733 billion in 2029, with a compound annual growth rate of 6.31 percent.
Welding future, welding materials market comprehensive analysis
Welding materials are filler materials used in welding processes to join or fix two or more metallic or non-metallic materials. Welding is a common joining process used to manufacture and repair many products and structures. The choice of welding material is related to the welding method, the type of material to be connected, the application environment, etc. Different welding materials will affect the performance and quality of welded joints. When selecting welding materials, the composition, performance and characteristics of welding materials need to be considered to ensure the firmness and durability of welding.
Attend Essen Welding Exhibition, Bowei Alloy Welding Material Solutions Shining Venue
From June 27 to 30, the 26th BEW Beijing Essen Welding and Cutting Exhibition (hereinafter referred to as Essen Exhibition) made its grand debut in Shenzhen International Convention and Exhibition Center (New Hall). As a grand event with both scale and influence in the welding field, Essen attracts tens of thousands of professionals from the welding industry at home and abroad every year, and is committed to creating an in-depth exchange platform for the industry and focusing on industrial development. As an innovative welding material enterprise, Bowei Alloy (601137. SH) appeared at booth 8640 of Hall 16, displaying PWHC and HS tin bronze, copper, zinc-copper and other independent innovative lightweight and welding material solutions. During the exhibition, visitors came in an endless stream. In addition, its Beckenhoff (China) Co., Ltd. has received a lot of attention at the booth 16702 in Hall 16 with a variety of welding materials from the aluminum tanker, bicycle, and new energy vehicle industries.