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Hollow steel for rock drilling needle rods (GB/T1301-1994)
Introduction
Rock drills, also called pneumatic drills, are a type of machinery used to drill into rock or hard surfaces. Rock drills are powered by compressed air and contain a hollow steel tube that is inserted into a rock or hard surface to create a hole. These drills are commonly used in the ......
1053 
Erin
GB 1173-86 Specifications for Casting Aluminum Alloys
，或者英文报告
2500 Words on Casting Aluminum Alloy Technology
The casting of aluminum alloys is an important process for producing components of various shapes and sizes. The technology has been around since ancient times and has been used to create tools, weapons, and sculptures. In this paper, ......
Heat-resistant steel (GB/T1221-1992)
Heat-Resistant Steel
Heat-resistant steel is a type of alloy steel that is able to withstand high temperatures without sacrificing its mechanical properties. This type of steel is usually used in applications that require a great deal of heat, such as aircraft engines, nuclear reactors, and oil an......
50CrV use
Introduction
50CrV is a medium carbon, alloyed chromium-vanadium steel used in a range of applications. It is an incredibly versatile and flexible material, due to its relatively high strength and ductility when compared to other steels. It is also highly corrosion resistant and highly heat treat......
Austenitic-ferritic (duplex) stainless steel S22453 00Cr24Ni6Mo3N chemical composition
S22453 austenite-ferrite stainless steel (duplex) is a high chromium, low nickel, low nitrogen stainless steel that provides a combination of corrosion resistance and strength. The alloy contains 24 percent chromium and 6 percent nickel in its composition, as well as 3 percent molybdenum, nitrogen......
Grades of Precision Alloys
Precision alloys are metallic materials with special properties such as high strength, corrosion resistance, good electrical and thermal conductivity, low thermal expansion, and other unique characteristics. Precise alloys come in multiple grades and different compositions, and are used in a wide ......
USt37-2 use
St37-2 steel (1.0037 material) is an unalloyed structural steel grade complies with DIN 17100: 1980 and has been discarded since 2004. According to German standard DIN 17100, St37 steel is divided into St37-2, USt37-2, RSt37-2 and St37-3.
The concentration of alloy elements such as Molybdenum, ch......
German steel pipe steel grade
Since steel pipe plays an important role in industrial development, Germany has used steel pipes of different grades and specifications according to its own development characteristics over the years. There are usually several grades of steel pipes used by German engineering.
1. St 52: Most commo......
X39Cr13 use
X39Cr13 steel is one of the most commonly used stainless steels in the world. It is a martensitic stainless steel containing 12-14% chromium, 1.00% silicon, 0.60-0.80 manganese and 1.0% molybdenum with 0.03-0.08% nitrogen. The stainless steel has excellent mechanical properties, particularly its h......
Steel flat products (Ni alloy steel, cold toughness) for heat-resistant pressure vessels in France
Introduction
In France,Nickel-alloy steel flat products are widely used as the fabrication material in the production of pressure vessels.Due to the special characteristics of Nickel-alloy steel,the flat products have excellent heat and corrosion resistance,making it the ideal material for the ma......
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