Q345GJE high-strength steel plate is a high-strength structural steel plate widely used in high-rise buildings, bridges, petrochemical industry, electric power and other fields. Compared with other ordinary steel plates, Q345GJE steel plates have higher strength, fatigue resistance and impact resistance, so they have been widely used in some important projects.
First of all, Q345GJE Gaojian steel plate has high strength and excellent mechanical properties and processing properties. It is a low-alloy high-strength structural steel plate that contains a small amount of alloying elements, such as MN, SI, S, P, etc., which can effectively improve the strength and hardness of the steel plate. In addition, the plasticity and toughness of Q345GJE steel plate are also good, which can meet the requirements of various complex structural forms.
2. Cutting and processing.
Q345GJE steel plate can be cut and processed, and common cutting methods include flame cutting, plasma cutting and laser cutting. The following points need to be paid attention to during the cutting process:
3. Standards. The standard for Q345GJE steel plate is GB T 1591-2018 "Low Alloy High Strength Structural Steel", which specifies the requirements for the chemical composition, mechanical properties, dimensional deviation, appearance quality and other aspects of Q345GJE steel plate. The specific standards are as follows:
In a word, Q345GJE steel plate is a low-alloy high-strength structural steel with excellent mechanical properties and welding properties, which is widely used in various fields. Understanding its profile, cutting process, and standards can help to use this material correctly to meet different engineering needs.
In a word, Q345GJE Gaojian steel plate is an excellent high-strength structural steel plate, which has the characteristics of high strength, excellent mechanical properties and processing properties, excellent fatigue resistance, excellent impact resistance, excellent corrosion resistance and good welding performance. It is widely used in high-rise buildings, bridges, petrochemical industry, electric power and other fields, and has made important contributions to modernization.