High Middle Low Pressure Union

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Q: Who include who btween them?: Some people have a national (industry) standard type of fasteners called standard fasteners, referred to as standard parts.

Q: What are some of the common fastener products?: There is also a fastener called "pin" This fastener is generally used to locate the parts, and sometimes can also be connected to the fixed role, in addition to a part can be used to transmit power or lock other fasteners.

Q: For the commonly used standard parts, for some of the quality of good or bad, how to distinguish,: The appearance of a color, thread through the rules, type size, such as head high, diagonal, opposite, thread length and so on. Mechanical properties include tensile strength, core hardness, decarburization, carburizing, and the like.

Q: The main meaning is that the design to make some specific requirements to achieve consistency.: Easy to install, disassemble; to ensure long-term solid does not fail (life); do not exceed the standard selection, cost savings;

Q: Is it hard to heat the fasteners?: Fasteners are a kind of standard parts, and their requirements are often higher than other standard parts, but heat treatment is better

Q: What is the name of the screw (fastener)?: By hole type: a. Through hole b. Blind hole Material: a. Iron (Fe) b. Aluminum (Al) c. Stainless steel (sus)By color: a. Colorful (character) b. Blue zinc c. Black zinc

Q: What fasteners are manufacturers in China?: (8) Spring rain (Dongguan) Hardware Products Co., Ltd. (9) Zhejiang New Oriental Fasteners Co., Ltd. (10) Cixi Zhenning Machinery Co., Ltd.

Q: Are there categories of fasteners classified by material?: Low carbon steel Q235, low carbon alloy steel Q345, 10B21 medium carbon steel 35K 45K, high carbon alloy steel 40CR 435crmo, stainless steel 303 304 316. Stainless steel 201. etc., the number of materials, but generally determine the amount of carbon fasteners, etc. To what level. Of course, like 10B21 this low-carbon alloy steel can reach 8.8 level

Q: What are all the fasteners?: Of course, there are many categories of fasteners, in short, there are many, many of the fasteners.

Q: Fasteners are used in what areas?: General use of a wide range of applications, such as machinery, electronics, transportation, furniture, construction, chemicals, ships, toys, etc., life is everywhere. Aerospace fasteners are fasteners designed for aerospace vehicles.

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