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How can stairs made of steel structures be welded to be more durable?

Time:[2023-5-27]  Hits:1589

The staircase made of steel structure is a common architectural structure, which is widely used due to its few supporting points, high load-bearing capacity, multiple shapes, and high technical content. The welding quality of steel structure stairs directly affects the safety and durability of the stairs. Therefore, how to weld more durable is a problem worth paying attention to.


Manual arc welding is mainly used for the welding of steel structure stairs. Appropriate welding rods and welding parameters are selected according to the model and standard of steel. Before welding, the steel should be inspected and cleaned to remove defects such as rust, oil stains, and bubbles on the surface, ensuring the cleanliness and smoothness of the welding surface. During the welding process, the following points should be noted:

 


According to the design drawings and process requirements, carry out reasonable assembly and positioning to ensure that the size, shape, orientation, and clearance of the parts meet the standards.


Select the appropriate weld type, method, and size, and weld in the specified order and direction to prevent defects such as deformation, cracks, and pores.


Control the welding speed, current, voltage, and pole spacing to ensure good formation, penetration, and filling of the weld seam, and prevent defects such as over burning, non fusion, and incomplete fusion.

 


During the welding process, promptly remove splashes, oxide skin, and slag to maintain the cleanliness and smoothness of the weld seam.


After welding, the weld seam should be inspected and corrected. For unqualified welds, they should be repaired or cut and rewelded in a timely manner, and polished or chipped.


The welding of steel stairs should not only ensure their strength and stiffness, but also consider their aesthetics and anti-corrosion. Therefore, after completing the welding, the following treatment should also be carried out:


For steel stairs exposed to external environments, rust prevention treatment should be carried out before coating. Mechanical rust removal, acid pickling rust removal, or sandblasting rust removal methods can be used to remove surface rust and apply anti rust paint or spray anti rust agent.

 


For steel structure stairs that require painting, painting treatment should be carried out after rust prevention treatment. Suitable coating types, colors, and thicknesses can be selected according to design requirements using methods such as spraying, brushing, or immersion coating, and multi-layer coating can be applied. When painting, attention should be paid to uniform coverage, without wrinkles, sags, and other defects, and maintain good adhesion.


For steel stairs that need to be connected to other structures or equipment, a connection area should be reserved before painting. High strength bolts or other connecting pieces can be used for connection. When connecting, attention should be paid to the orientation and direction of the screw holes to prevent misalignment or displacement, and to ensure firm connection.

 


In short, how can stairs made of steel structures be welded to be more durable? The main task is to operate according to the design drawings and process standards, select appropriate materials, equipment, and parameters for welding, and inspect and correct the welds. At the same time, it is necessary to carry out rust prevention and painting treatment on the steel structure staircase, and correctly connect it with other structures or equipment. This can ensure the safety and durability of steel structure stairs.

Copyright:佛山市勝邦鋼結構有限公司 Foshan Shengbang Steel Structure Co., Ltd. Record Number:粵ICP備13078463號
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