QStE380TM steel plate is a cold-formed hot-rolled pickled automotive structural steel. This steel has excellent mechanical properties and good cold forming properties, so it is widely used in the field of automobile manufacturing, especially for manufacturing structural parts such as automobile girders and cross beams that require high strength and good cold forming properties.
The characteristics of QStE380TM steel are mainly reflected in the following aspects:Strength: QStE380TM has high tensile strength and yield strength, which can meet the needs of automotive structural parts for high-strength materials. Its tensile strength can reach more than 380MPa, and its yield strength is between 450 and 590MPa, showing excellent mechanical properties.Good elongation performance: In addition to high strength, QStE380TM also has good elongation performance, and its elongation after break can reach more than 18%. This good plasticity and toughness enables it to undergo large deformation without cracking when subjected to external forces, which is beneficial to improving the safety performance of automobile structural parts.Cold forming properties: QStE380TM is a fine-grained steel with good cold forming properties. Various parts with complex shapes can be produced through cold working methods such as stamping and bending to meet the high requirements of automobile manufacturing for material formability.Wide range of applications: Due to the above advantages, QStE380TM is widely used in the manufacturing of automobile structural parts, such as automobile beams, cross beams and other important parts. It can also be used in other fields that have higher requirements on material performance, such as machinery manufacturing, bridge construction, etc.
Overall, QStE380TM is a high-quality automotive structural steel. Its excellent mechanical properties and good cold forming properties give it broad application prospects in the field of automobile manufacturing. At the same time, its chemical composition and mechanical properties need to be strictly controlled to ensure the quality and reliability of the steel.
The chemical composition of QStE380TM includes carbon, silicon, manganese, phosphorus, sulfur and other elements. The content of these elements has an important impact on the formability, welding performance and mechanical properties of steel. The content of these elements needs to be strictly controlled to ensure that the steel meets the requirements of relevant standards.
In terms of mechanical properties, QStE380TM has high tensile strength and yield strength, as well as good elongation, which allows it to maintain stable performance when subjected to load. In addition, QStE380TM also has good impact toughness and welding performance, which can meet various needs in the automobile manufacturing process.
The tensile strength of QStE380TM can reach more than 380MPa, showing good strength properties. Its yield strength is between 450 and 590MPa, indicating that the material can maintain a certain shape and dimensional stability when subjected to external forces.In terms of toughness, the elongation after fracture of QStE380TM can reach more than 18%. This means that the material can undergo large deformation when subjected to tension without breaking immediately, showing good plasticity and toughness. This toughness is important in applications that need to withstand shock and vibration, improving the safety and reliability of the structure.
It should be noted that strength and toughness are two important mechanical performance indicators of metal materials, and they will be affected by various factors such as material composition, organizational structure, and processing technology. Therefore, when using QStE380TM, it is necessary to comprehensively consider its various performance indicators and actual application requirements, and select appropriate processing and heat treatment processes to ensure that the material can achieve the best performance.
QStE380TM steel plate has a wide range of applications and is mainly used in the automotive manufacturing industry and other fields that have higher requirements for material performance.
In the automobile manufacturing industry, QStE380TM is widely used in the manufacturing of various automobile structural parts due to its high strength and good cold forming performance. For example, it can be used to manufacture important parts such as automobile beams, cross beams, chassis components, and safety structures. These components need to withstand various stresses and impacts during vehicle operation, so the materials are required to have sufficient strength and stiffness. QStE380TM can meet these requirements and improve the safety and reliability of automobiles.
In addition, QStE380TM steel can also be used in other fields that have higher requirements on material performance. For example, it can be used in various structural parts in machinery manufacturing, such as the construction fields of bridges, highways, tunnels, high-rise buildings,as well as the manufacturing field of transportation vehicles such as ships and high-rise buildings. In these fields, the high strength, high toughness and good processing performance of QStE380TM can be fully utilized to meet various complex and demanding engineering requirements.
In general, QStE380TM steel plate , as a high-performance metal material, is widely used in automobile manufacturing and other fields. Its excellent mechanical properties and good processing properties make it one of the preferred materials for many engineering applications.
