Well Control Professional Tube BOP Control Line

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Tianjin
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50 pc
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3000 pc/month

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Q:Who is the information on fasteners ah?
Fastener materials (steel wire, stainless steel wire) Fasteners use tools, fastening systems.
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:Does the fastener include screws?
It usually includes the following types of parts
Q:Bolts and other connection fasteners some points A B C grade what it means
Grade is not the same, the tolerance range is not the same, A-level tolerance of the smallest, C-class tolerance of the largest
Q:What fasteners are manufacturers in China?
(3) Ningbo Jinding Fasteners Co., Ltd. (4) Jin billion Industrial Co., Ltd. (5) Zhejiang Zhapu Industrial Co., Ltd. (3) Changshu Standard Parts Factory; (2) Shanghai Standard Five High Strength Fasteners Co.
Q:Fasteners often say that the nature of galvanized oxidation is what it means
True color refers to the surface of the fastener is not any treatment, copper is copper color, iron is the color of iron, aluminum is the color of aluminum. Galvanized iron is the surface of the fastener coated with a layer of zinc, the role is rust. Oxidation refers to the surface of the fastener to the chemical reaction, to produce a layer of anti-rust film, the main role is rust, the other can also beautify the appearance.
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:Is it hard to heat the fasteners?
Heat treatment mainly refers to the dipped fire. Dip the fire is not dipped into the water, is the oil. So the quality of oil, dipped in the temperature of the fire, dipped in the fire time are demanding Moreover, some special requirements need to double the fire, the difficulty is indeed great. In addition, heat treatment often take into account the requirements of the next step surface treatment, so have to consider
Q:What is the name of the screw (fastener)?
Screw, it was also called "screw" [screw], "screw" (screw). In fact, the screw is known, and the screws, screw rods are different from each other. Screws are generally called wood screws; is the tip of the kind of tip, pitch larger, generally used to tighten wood parts, plastic parts. Screw is a screw (mechanical screw), is the front of the kind of flat head, pitch is small, uniform, generally used to fasten the metal, machine parts.

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