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Comparison table 2 of commonly used steel grades of high-quality section steel and imported steel grades
Steel grades comparison table
Steel is one of the most important materials to use in the construction industry, and it is important for people in the industry to understand the different steel grades available. For example, when it comes to imported steel, there is not always an exact match betwe......
1023 
Sophia
Designation and chemical composition of waste heat treated steel bars (GB 13014-1991)
GB 13014-1991: The Board of Chemical Composition and Brand Numbers of Heat-treated Steel Bars
1. Basic rules
This code sets out the classification, chemical composition and brand numbers of heat-treated steel bars (hereinafter referred to as “bars”).
2. Classification
The heat-treated ste......
Tantalum and tantalum alloy plates, strips and foils GB 3629-83
Introduction
Tantalum and tantalum alloy plate, strip and foil products are composed of a wide variety of products from a wide variety of applications. As a high-grade precious metal, it has excellent performance in terms of chemical stability, corrosion resistance and heat resistance, and is wid......
Industry Standard Specification English-Chinese Comparison - General Machinery (3)
Industry Standard Specifications for General Machinery (3)
1. Classification of machine tools
Machine tools can be divided into three categories according to their main functions: metal cutting machine tools, metal forming machine tools and special machine tools.
1.1 Metal cutting machine tools......
Environmental Quality Index
Introduction
Air pollution has become a serious problem in recent years. The pathogenic elements contained in air pollution can not only bring great harm to peoples physical health, but also have an adverse effect on the environment, which has a profound impact on the continuous and healthy devel......
Abrasive Code Comparison Table
The grinding media is a very important part of any kind of grinding operation. It is commonly used to reduce the size of particles in a particular material or to grind and polish the surface of a material. Most grinding media is made of high quality materials such as stainless steel or ceramics. T......
Bearing Code Comparison Table
Roller Bearing Number Comparison Table
Roller bearings are a type of bearing that uses rolling elements that rest between two concentric internal and external raceways. They typically run on a lubricant, such as oil, to prevent wear and corrosion. The rolling elements are typically cylindrical in......
Model and chemical composition (mass fraction) (%) of American standard nickel-chromium alloy cast steel for high temperature
The American Standard High Temperature Nickel-Chromium Alloy Cast Steel (HTCS) has a variety of grades and types that are used in a wide range of applications in industries such as power generation, oil and gas, and chemical processing. The grades and types differ in their mechanical and chemical ......
3010S waste mud core crushing drum operating procedures
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Rolling Core Breaking Operating Procedure of MST-3010S Wastewater Sludge
The operator of the MST-3010S wastewater sludge core breaking roller is responsible for ensuring the safe and efficient operation of the equipment. In order to ensure the correct and correct operation, the following rules ......
Extraction and separation of platinum group metals
Introduction
Platinum group metals (PGMs) are a group of six transition metals—platinum, palladium, rhodium, iridium, osmium, and ruthenium—which have similar physical and chemical characteristics. They have high melting points, neutral oxidation states, good catalytic properties and resistance......
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