Q460GJE is a high-performance steel for building structures with good chemical, mechanical, physical and technological properties. The following is a specific introduction to the composition, performance and application of Q460GJE high-construction steel plate:
1. Ingredient introduction.
Q460GJE Gaojian steel plate is mainly composed of carbon (C), silicon (Si), manganese (Mn), phosphorus (P), sulfur (S) and other elements, and also contains a small amount of chromium (Cr), nickel (Ni), copper (Cu), molybdenum (Mo) and other alloying elements. The ratio of this composition makes Q460GJE high-construction steel plate have excellent welding performance, toughness and corrosion resistance.
2. Mechanical properties.
Q460GJE high-construction steel plate has high strength, good toughness and plasticity, as well as excellent welding performance. The specific mechanical property parameters are as follows:
Yield strength: The yield strength of Q460GJE steel plate is not less than 460MPa, which can withstand large stresses and loads.
Tensile strength: The tensile strength of Q460GJE steel plate is between 550-720MPa, which has a high load-bearing capacity.
Elongation: The elongation of Q460GJE steel plate is not less than 17%, and it has good plastic deformation ability.
Impact toughness: The impact toughness of Q460GJE steel plate is not less than 27J cm, which can maintain good toughness and impact resistance at lower temperatures.
Bending performance: Q460GJE steel plate has good bending performance, which can meet the processing needs of various complex shapes.
Third, the field of application.
Q460GJE high-rise steel plate is widely used in high-rise buildings, long-span structures, bridges, ships, machinery and equipment and other fields. Due to its excellent mechanical properties and corrosion resistance, Q460GJE high-tech steel plate is especially suitable for structural components and components that need to withstand large loads and have high strength requirements. In high-rise buildings, Q460GJE steel plates are often used to make key load-bearing components such as beams and columns, which can improve the stability and safety of buildings. In long-span structures, Q460GJE steel plates can be used to manufacture beams, arches and other structural components of large venues, convention and exhibition centers and other buildings, providing sufficient bearing capacity and stability. In bridge engineering, Q460GJE steel plate can be used to manufacture key parts such as main beams and piers of large bridges to improve the service life and safety of bridges. In addition, Q460GJE steel plate can also be used to manufacture structural parts that need to withstand large stresses and loads such as ships and machinery and equipment.
Fourth, quality assurance.
In order to ensure the quality and reliability of Q460GJE high-construction steel plates, strict quality control and testing should be carried out during the production process. Specific measures include: the use of high-quality raw materials, advanced rolling technology and heat treatment technology; Carry out multiple quality inspections and tests, including chemical composition analysis, mechanical property testing, non-destructive testing, etc.; Ensure that the performance indicators meet the requirements of relevant standards; Rework or scrap unqualified products to ensure that unqualified products are not exported to the market; At the same time, a sound quality management system and traceability mechanism are established to ensure the traceability and safety of products.
In conclusion, Q460GJE high-quality steel plate is a high-performance steel for building structures, with excellent chemical, mechanical, physical and technological properties. It is widely used in high-rise buildings, long-span structures, bridges, ships, machinery and equipment, etc., and can provide sufficient bearing capacity, stability and safety. Through strict quality control and testing, the quality and reliability of products are ensured.