Search results for keyword: ht250
GB 5771-86 Diesel engine fuel injection pump delivery valve assembly technical requirements
，关于柴油机喷油泵出油阀偶件的技术条件。
Injection pumps are among the greatest advancements in diesel engine fuel delivery systems. The primary purpose of an injection pump is to control the timing and quantity of fuel injected into the engine. Outlet valves play a key role in determining the para......
1057 
Nathan
Grades, mechanical properties and uses of wear-resistant cast iron for machine tool guide rails
Casting iron, also known as cast iron, is a ferrous alloy containing more than 2.4% carbon, more than 1% silicon and a number of metals. It has high hardness, good wear resistance and good elasticity. It is mainly used to manufacture some components and parts which are large and complex, and it is......
Grades and chemical properties of heat-resistant cast iron
Introduction
Heat-resistant cast iron is a kind of cast iron which has great oxidation resistance, thermal shock resistance and corrosion resistance. It is mainly composed of graphite and iron-chromium-aluminum-silicon elements, with high chromium content, which can significantly improve the oxi......
Grade and chemical composition of heat-resistant iron castings
Heat-resistant cast iron is an important part of engineering technology. In order to obtain a material with good heat-resistant casting performance, it must meet the requirements of both chemical composition and microstructure. The chemical composition of heat-resistant cast iron mainly includes c......
Structural characteristics of CNC lathes
Numerical Control Lathe
A numerical control lathe, also referred to as a CNC lathe, is a machine that uses numerically-controlled rotary cutters to cut and shape parts and materials. This type of lathe is called a numerical control (NC) machine. In general, it operates on the three-axis principle......
Semi-chilled cast iron rolls
Semi-cold hard cast iron rolling rolls
1.Introduction
Semi-cold hard cast iron rolling rolls are a kind of new metallurgical composite material, which are widely used in steel rolling mills. This kind of material has the advantage of superior anti-wear performance, prolonged service life and consi......
Metallographic diagram of ht250
Microstructure of ht250
ht250 is a type of heat-resistant high-strength aluminum alloy widely used in aerospace, defense and other industries. Therefore, its microstructure has received widespread attention. In order to study the microstructure of ht250 more accurately, the microstructure of HT25......
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