S500QL high-strength structural steel is a high-strength material widely used in construction machinery, mining machinery and other fields. As a high-strength structural steel of the European standard, its composition and performance are equivalent to the Q500D high-strength plate of the national standard, and it is widely used because of its excellent practical performance.
1. There are many manufacturers of S500QL steel plates, including Wugang, Baosteel, Nangang, Anshan Iron and Steel, Shougang, Xianggang and Xinyu. These manufacturers strictly control the chemical composition and process flow during the production process to ensure that the quality and performance of the products meet the standard requirements.
2. S500QL steel plate also has Z-direction performance, that is, the ability to resist layered tearing in the direction of steel plate thickness. Z-direction performance steel is a special steel plate, and its Z-direction test grade is Z35, Z25, and Z15 in order from high to low. These grades represent the different tear resistance of the steel plate in the z-direction, giving engineers more options.
3. In terms of chemical composition, S500QL quenched and tempered high-strength plate contains an appropriate amount of carbon, silicon, manganese and other elements, and also adds a small amount of niobium, vanadium, titanium and other alloying elements. The addition of these alloying elements can significantly improve the strength, toughness and welding performance of steel plates, and meet the requirements of various complex working conditions.
S500QL Quenched and Tempered High Strength Plate Chemical Composition:
c：≤0.20
si：≤0.5
mn：0.90-1.65
p：0.035
s：0.035
nb：0.005-0.05
v：0.01-0.12
ti：0.006-0.05
cr：≤0.30
ni：≤0.50
cu：≤0.40
mo：≤0.10
n：≤0.015
als：≥0.01
4. In terms of mechanical properties, S500QL high-strength plate has excellent tensile yield strength and elongation after break. Its tensile strength ranges from 590-770 MPa, the yield point reaches 520 MPa, and the elongation rate after fracture reaches 17%. In addition, the steel plate also has good impact toughness and welding performance, which can maintain stable performance in harsh working environments.
5. S500QL quenched and tempered high-strength plate has a wide range of applications, mainly used in construction machinery, mining machinery, coal mining machinery and other fields. For example, it can be used to manufacture key components such as hydraulic supports, crane extension arms, crane extension arms, excavator support arms, etc. These components need to withstand large loads and impact forces, and the high strength and excellent toughness of S500QL high-strength plates can meet these requirements and ensure the safe and reliable operation of the equipment.
In addition, S500QL high-strength plates can also be used to manufacture equipment such as hydraulic supports, heavy vehicles, and port machinery with high welding performance. These equipment need to withstand complex working environments and high-intensity use requirements, and the excellent performance and weldability of S500QL high-strength plates can meet these requirements, ensuring long-term stable operation of the equipment.
In conclusion, S500QL high-strength structural steel is a high-strength material with excellent performance and a wide range of applications. Its excellent practical performance and wide range of applications make it an indispensable and important material in the fields of construction machinery and mining machinery. With the continuous progress of science and technology and the rapid development of industry, the application prospect of S500QL high-strength board will be broader.