Q:Who include who btween them?

Fasteners and standard parts are the same.

Q:A194 GR3 is what style fasteners

GR3 is GRADE 3 abbreviation, A194 GR3 is carbon steel red or cold beat nut, the minimum tempering temperature of 565 degrees. High pressure and high temperature conditions with the bolt alloy steel nut.

Q:High-strength screw standard parts of the quality of what data

Material: Does the chemical composition meet the standard requirements Appearance: Good surface treatment: Does it meet the standard requirements? If 1 and 4 problems, this batch of bolts directly failed,

Q:Fasteners are used in what areas?

Fasteners are a class of mechanical parts that are used for fastening connections and are widely used. All kinds of fasteners can be seen in all kinds of machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, instruments and supplies. If the fasteners are removed from reality, many of the equipment,

Q:What are some of the common fastener products?

This fastener has two parts of the head and the nail, the two through-hole parts to connect the role of fastening, so that they become a whole. This connection is called rivet connection, sometimes called riveting directly. This connection can not be disassembled, because the two parts to separate, then we must put the parts on the rivets to destroy.

Q:What are all the fasteners?

Of course, there are many categories of fasteners, in short, there are many, many of the fasteners.

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:Are there categories of fasteners classified by material?

According to the use of different materials, fasteners are divided into carbon structural steel fasteners, alloy structural steel fasteners, stainless steel fasteners, high temperature alloy fasteners, aluminum alloy fasteners, titanium fasteners, titanium Niobium alloy fasteners and non-metallic fasteners.

Q:The main meaning is that the design to make some specific requirements to achieve consistency.

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 fasteners are manufacturers in China?

(11) Ningbo Ningli high-strength fasteners Ltd.(12) Ningbo Donggang Fastener Manufacturing Co., Ltd.