Seamless steel pipe is a kind of steel pipe with high strength, high toughness and corrosion resistance, which is widely used in oil, natural gas, chemical industry, electric power, construction and other fields. Q500E seamless steel pipe is a seamless steel pipe with high strength, high toughness and low yield ratio, which is mainly used in manufacturing industries such as bridges, construction, ships, and vehicles. This article will introduce the characteristics, production process, application fields and market prospects of Q500E seamless steel pipe.
Product implementation standard: GB T8162 seamless steel pipe for structure.
Product specifications: outer diameter 10mm 760mmThe wall thickness is 2mm 160mm
Q500E Seamless Steel Pipe Chemical Composition: Carbon: 018, silicon: 060, manganese: 180, phosphorus: 0020, sulfur: 0010, niobium: 011, Vanadium: 020, Titanium: 020, Cr: 060, Nickel: 080, Copper: 020, nitrogen: 0015, molybdenum: 020, Boron: 0005, Aluminum: 0015, Q500E seamless steel pipe mechanical properties: tensile strength: 610 770MPa, lower yield strength 500, elongation after break: 17, -40 degrees Celsius impact not less than 31J
1. Characteristics of Q500E seamless steel pipe.
Q500E seamless steel pipe is a kind of seamless steel pipe with high strength, high toughness and low yield ratio, its yield strength is 500MPa, and it has the following characteristics:
1.High strength: The tensile strength of Q500E seamless steel pipe has reached more than 500MPa, which has high bearing capacity and durability, and can withstand various complex environments and loads.
2.High toughness: Q500E seamless steel pipe has good toughness, is not prone to brittleness and cracks, and can maintain good toughness and stability in low temperature environments.
3.Low yield ratio: The yield ratio of Q500E seamless steel pipe is low, which means that the deformation and failure probability of the material are low during the stress process, which can ensure the safety and stability of the structure.
4.Good corrosion resistance: Q500E seamless steel pipe has good corrosion resistance after special treatment, and can adapt to various complex environmental conditions.
Second, the production process of Q500E seamless steel pipe.
The production process of Q500E seamless steel pipe mainly includes the following steps:
1.Steelmaking: Electric furnace steelmaking or converter steelmaking and other processes are used to remove impurities in molten iron to obtain high-quality molten steel.
2.Rolling: The molten steel is poured into the rolling mill for rolling to form a tube blank, and the size and shape of the tube blank meet the requirements for the next step of processing.
3.Heat treatment: Tube blanks are heated and cooled to obtain the desired mechanical properties and corrosion resistance.
4.Seamless rolling: Seamless tube rolling mills are used to roll the tube blanks into seamless steel tubes, and surface treatment and inspection are carried out.
5.Quality inspection: Carry out quality inspection and acceptance of finished steel pipes to ensure that the product quality meets the requirements.
3. Application field of Q500E seamless steel pipe.
Q500E seamless steel pipe has a wide range of application fields, mainly including the following aspects:
1.Bridge engineering: Q500E seamless steel pipe can be used to manufacture the supporting structure and stressed components of the bridge, such as the steel box girder of the bridge, the arch of the arch bridge, etc. Its high strength and good durability ensure the safety and stability of the bridge.
2.Construction engineering: Q500E seamless steel pipe can be used for the supporting structure and stressed components of the building, such as the steel frame structure of high-rise buildings, the arch structure of long-span buildings, etc. Its high strength and good toughness can improve the seismic performance and durability of buildings.
3.Shipbuilding: Q500E seamless steel pipe can be used to manufacture the hull and deck structure of ships, and its high strength and good corrosion resistance can improve the carrying capacity and service life of ships.
4.Vehicle manufacturing: Q500E seamless steel pipe can be used to manufacture the body structure and stressed components of the vehicle, such as the skeleton of the cabin, the hub of the wheel, etc. Its high strength and good durability can improve the safety and reliability of the vehicle.
Fourth, the market prospect of Q500E seamless steel pipe.
With the development of national infrastructure construction and manufacturing industry, the market demand for Q500E seamless steel pipe will continue to grow. At the same time, with the continuous progress of technology and the expansion of application fields, the production cost of Q500E seamless steel pipe will be gradually reduced, and the product quality and performance will be further improved. In the future, Q500E seamless steel pipe will be used in more fields, and the market prospect is broad.