It can be widely used in aviation, aerospace, shipbuilding, weapons, energy and other industries, and at the same time meets the technical requirements and application needs of military and civilian high-end products. Ultra-high-strength aluminum alloy large-diameter thick-walled seamless pipes, April 14th in Ledu, Qinghai Province Qinghai Zhongtai Qing Forging Equipment Manufacturing Co., Ltd. ("Zhongtai Qing Forging") in the industrial park successfully rolled off the production line. This is the largest and longest high-strength aluminum alloy seamless pipe extruded for the first time in China.
The ultra-high-strength aluminum alloy large-diameter thick-walled seamless pipe adopts the extrusion forming process. The internal structure of the aluminum alloy is denser by the large extrusion ratio, and the comprehensive mechanical properties are improved by more than 10%. It can not only meet the requirements of the ultra-high-strength aluminum alloy Aerospace, aerospace ring, and cylindrical forging products require high strength, high toughness, and corrosion resistance, and can meet the requirements of high-quality, high-efficiency, and low-cost production.
The successful launch of this product indicates that Zhongtai Green Forging has the ability to produce all kinds of ultra-high-strength aluminum alloy pipes, bars and profiles. It will also break the long-term foreign technology monopoly, replace imports with domestic products and enhance the production of high-end aluminum alloy products in my country. The level is of great significance.
It is reported that the first domestic largest and longest high-strength aluminum alloy seamless pipe product successfully rolled off the assembly line this time,
It is extruded by a 680MN/260MN multifunctional die forging/extrusion unit with 68,000 tons of extrusion force independently designed and developed by Tsinghua University and with independent intellectual property rights. The hot extrusion force of this machine currently ranks first in the world.
Li Deqing, general manager of China Titanium Forging, introduced that ultra-high-strength aluminum alloy large-diameter thick-walled seamless pipe extrusion has been successfully rolled off the production line, which is a lighter and higher performance direction for my country's aviation and aerospace large-diameter ring and cylindrical forging products. Development, product upgrades and updates provide a strong guarantee.
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