Flexible Choke Kill Line

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Q:Bolts and other connection fasteners some points A B C grade what it means
The same standard number! Different grades of bolts, their material is not the same! Just their detection method just the same!
Q:Fasteners often say that the nature of galvanized oxidation is what it means
True color means that the surface of the fastener is not treated. Galvanized refers to non-zinc easily oxidized metal fastener surface coated with a layer of zinc, the role is to prevent its rust. Oxidation refers to the surface of the metal fastener through a chemical reaction to produce a layer of rust-proof film, the main role is rust, the other can also beautify the appearance.
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:A194 GR3 is what style fasteners
A194 American standard I know is the US system, but now do not understand is GR3 in the end is what it means
Q:What is the name of the screw (fastener)?
By specifications: M3. M4. M5. M6. M8. M10. M12 By head type: a. Flat head b. Small head (countersunk head)By the shape: a. Cylindrical light body b. Hexagonal c. Semi-hexagonal d. Cylindrical column posture
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.
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 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:what parts do Fasteners include
A type of fastener that has no head and only the ends that are threaded at both ends. When connected, it must be screwed into the part with internal screw hole, the other end through the through hole with the parts, and then screw the nut, even if the two parts fastened into a whole. This type of connection is called a stud connection and is a detachable connection. Mainly used for connecting parts of a larger thickness, requiring a compact structure, or because of frequent demolition, should not be used bolted connection occasions.
Q:Who is the information on fasteners ah?
Fasteners, accessories and fittings Product categories: screws, waffles, bolts, nuts, screws, rivets, studs, washers, assemblies and connecting parts and related products.

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