Grade Explanation Q: Can be cold formed
ST: Steel, Stahl
e: Engineering steel, engineering
420: Specified minimum yield strength, MPa
TM: Thermomechanical rolling
Material properties of QSTE420TM hot-rolled pickled steel.
QSTE420TM hot-rolled pickled steel is a low-alloy high-strength structural steel, and its chemical composition and mechanical properties are in line with international standards. The steel has the following advantages:
1.High strength: QSTE420TM hot-rolled pickled steel has high tensile strength and yield strength, which can meet the load-bearing requirements of various engineering structures.
2.Good plasticity and toughness: The steel can still maintain good plasticity and toughness when subjecting to large deformation, which effectively avoids brittle fracture and stress concentration.
3.Excellent welding performance: QSTE420TM hot-rolled pickled steel has a low carbon content, which is not easy to produce cracks and porosity during welding, and is easy to weld.
4.Good corrosion resistance: After pickling treatment, the surface quality of QSTE420TM hot-rolled pickled steel is improved, and the corrosion resistance is improved.
Application field of QSTE420TM hot-rolled pickled steel.
Due to the excellent material properties of QSTE420TM hot-rolled pickled steel, it is widely used in the following fields:
1.Construction: The steel can be used to manufacture load-bearing parts and supports for building structures such as bridges, high-rise buildings, and industrial plants.
2.Automobile manufacturing: It is used to manufacture key components such as automobile chassis, frame, and suspension system to improve the safety and durability of automobiles.
3.Shipbuilding: It is used to manufacture ship structural parts, decks and cabins to improve the load-bearing capacity and corrosion resistance of ships.
4.Petrochemical industry: used in the manufacture of petrochemical equipment, pipelines and storage tanks, etc., with good corrosion resistance and high pressure resistance.
5.Electric energy: It is used to manufacture structural parts and components of energy equipment such as nuclear power, thermal power and wind power to improve the reliability and safety of equipment.
The development prospect of QSTE420TM hot-rolled pickled steel.
With the continuous development of science and technology, QSTE420TM hot-rolled pickled steel is a high-quality steel, and its application field will continue to expand. In the future, the steel will be more widely used and developed in the following aspects:
1.Lightweight development: In order to reduce energy consumption and reduce emissions, there is an increasing demand for lightweight materials in the automotive, aerospace and rail sectors. As a high-strength low-alloy steel, QSTE420TM hot-rolled pickled steel will play an important role in the field of lightweight structural materials.
2.Application of high-strength materials: With the development of engineering structures in the direction of large spans, high-rise and heavy loads, the demand for high-strength materials is increasing. As a high-strength low-alloy steel, QSTE420TM hot-rolled pickled steel will be more widely used in large-scale engineering structures.
3.Environmental protection and sustainable development: Driven by global environmental awareness, the steel industry is also actively promoting environmental protection and sustainable development. As a steel variety with low energy consumption and low pollution, QSTE420TM hot-rolled pickled steel will play an active role in the environmental protection industry.
4.Application of new technology: With the continuous development of new materials, new processes and new technologies, QSTE420TM hot rolled pickling steel will continue to improve and perfect to improve its material properties and application fields. For example, through surface treatment technology, it can improve its wear resistance, corrosion resistance and other properties, so that it can be used in more fields.