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Steel belt welding which is used in Baosteel is the process of joining steel plates by using heat through welding. In order to ensure a successful welding operation, it is critical that the right steel be used and the correct techniques should be applied.
Steel belt welding has the advantages of excellent strength and reliability, which makes it the preferred choice for many industrial applications. It is also known for its low cost and quick assembly time, making it a cost effective way to fabricate complex and large components. Steel belts are also able to be welded multiple times, allowing for a more uniform weld. This is due to the lack of distortion during welding, as the steel does not shrink during the process.
Baosteel produces a variety of steel grades that are suitable for steel belt welding. Among these grades, the most commonly used is SS400 carbon steel, which is a low carbon steel with good strength and ductility. The steel plate should be cleaned before welding, since the presence of oil, rust, or other contaminants will reduce the strength of the bond between the steel and the filler material.
The process of steel belt welding is typically done using the process of electric arc welding (EAW). In this process, an electric arc is used to melt the steel and the filler material in order to achieve a solid bond between the two components. The arc causes a small amount of material to be melted away, which helps to reduce the amount of distortion present in the weld. The technique is often referred to as ‘hot’ as the molten metal reaches temperatures close to 3000°C.
The welding current used depends largely on the thickness of the steel belt being welded, with higher currents used on thicker plates. The most commonly used welding current is 120 to 200 amps. After the arc welding process, the steel is allowed to cool slowly and is then inspected for any flaws or defects. If any are found, the welding process must be repeated until a satisfactory weld is achieved.
In addition to the EAW process, steel belt welding can also be done using oxy-acetylene techniques. This technique is faster as it requires less welding current, but it can be a more difficult process and requires a greater level of skill to be done correctly.
It is important to conduct proper post-welding treatments on steel belt welded components in order to ensure a strong and reliable weld. Heat treatment, surface treatments such as painting or galvanizing, and weld repairs should all be done in order to ensure the best result possible.
In conclusion, steel belt welding is a highly reliable and cost effective way to fabricate components from steel plates. Baosteel produces a variety of steel grades suitable for use in the process, and the process is typically done using the process of electric arc welding. Proper post-welding treatments are crucial in order to ensure a strong and reliable weld.
