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Anti-corrosion materials
Anticorrosive material is a kind of material which can inhibit the occurrence of chemical and electrochemical corrosion of the anticorrosive object. The commonly used anticorrosive materials in the installation project mainly include a variety of organic and inorganic coatings, glass fiber reinforced plastics, rubber products, inorganic plates, etc.
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Industrial automation
Industrial automation is the trend that automatic control and automatic adjustment devices are widely used in industrial production to replace manual control of machines and machine systems for processing and production. Under the condition of industrial production automation, people only indirectly take care of and supervise the production of machines. Industrial automation, according to its development stage can be divided into
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Chemical industry base
In order to survive and develop, human beings constantly struggle with nature and gradually deepen their understanding of the world around them, thus mastering the ability to conquer nature and transform the world. Through the long practice of history, human beings have become better and better at using the natural conditions and creating a rich material world for themselves.
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Standard comparison table of common fasteners
• type 1 hexagon nuts GB/T 6170-2000 • thin hexagonal nuts GB/T 6172.1-2000 • cap nut GB/T 923-88 • standard spring washer GB/T 93-87 • hexagon socket countersunk head screws GB/T 70.3-2000
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