High Middle Low Pressure Union

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Q:High-strength screw standard parts of the quality of what data
High strength bolts are used for connecting bridges, rails, high pressure and ultrahigh pressure equipment.
Q:Are there categories of fasteners classified by material?
Mainly carbon steel, alloy steel, stainless steel, other materials category
Q:what are the Fasteners Selection Specification
Referred to the selection must be selected in the national standard parts, otherwise the changeability does not exist. Speaking of norms nothing less than the following: function according to national standards (strength, rust, shape ....);
Q:Will the stainless steel fastening standard parts of the national standard code and name?
Because the fastener is a standard part, so the size of stainless steel fasteners and ordinary fastener size is the same, other standard GB / T 5267.4-2009 fastener surface treatment corrosion-resistant stainless steel passivation treatment
Q:The difference between fasteners and standard parts
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?
The washer is a flat, rounded fastener that is typically mounted between bolts, screws, or between the support surface of the nut and the surface of the connecting part to increase the contact area of the connected part and reduce the pressure in a certain area , To ensure that the connection parts will not be damaged; there is a flexible washer, but also to prevent the nut loose situation.
Q:What fasteners are manufacturers in China?
(6) Yunnan Tonghai Linhai Standard Parts Co., Ltd. (7) Ningbo Yonghong Fastener Manufacturing Co., Ltd.
Q:How to check the quality of fasteners
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:In the fastener industry, 1018 refers to what material
1018 is the United States material, you can use domestic steel instead. Processing, do, use, distribution of US bolts and nuts, US bolts and nuts, American standard bolts and nuts, must have the US screw standard. You should buy a set of the latest US fastener standards Daisy "IFI English Fastener Standard Handbook, eighth edition) (published in English) (published in 2011), experts are the winner, have the standard will have the relevant business.
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

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