Because of the high carbon content, simple cracks occur during water quenching, so double liquid quenching (water quenching + oil cooling) is mostly used, and oil quenching is mostly used for small cross section parts. This type of steel is generally used after quenching by medium temperature tempering or normalizing or in the surface quenching state. Mainly used for manufacturing spring and wear-resistant parts.
Benefits of using a pet cage:
The utility of hexagonal net in the playground is very superficial, in the stadium built in each city, are less than the shadow of the hexagonal net. In the stadium around the installation of hexagonal net, not only can improve the stadium of the group image, but also convenient urban residents to implement a row of activities.
As we all know, iron wire rust is due to contact with water and oxygen chemical reaction, therefore, how to prevent galvanized iron wire rust, first of all, in the storage of galvanized iron wire should choose ventilated dry place, avoid wet or rain leakage, in use, in addition to follow the principle of first in first out, if accidentally caused by the destruction of galvanized layer, should be coated with anti-rust paint treatment, Otherwise, it is easy to lose the protection of galvanized layer and cause galvanized iron wire rust.
Stainless STEEL HAS THE ABILITY to resist ATMOSPHERIC OXIDATION – that is, rust resistance, but also has the ability to resist corrosion in the medium containing acid, alkali, salt – corrosion resistance. However, the corrosion resistance of the steel varies with its chemical composition, additive state, service conditions and environmental media type.
The quality of hot-dip galvanized barbed wire is only good in the surface of the wire attached to the galvanized layer, and with the chemical reaction, the surface of the zinc layer will gradually lose effect because of the oxidation reaction, this situation is more prominent in the humid area of the environment. And because after all, it is rusty iron wire, so the quality of hot-dip galvanized barbed rope is certainly not up to the level of stainless steel barbed rope.
B. When the thickness of the plating is greater than 4 mm, the zinc adhesion should not be less than 610g/m, that is, the average thickness of the zinc layer should not be less than 86 microns.Galvanized wire is divided into hot galvanized wire and cold galvanized wire (electric galvanized wire). Hot dip galvanizing is dipped in zinc liquid melted by heating. It has fast production speed, thick but uneven coating. The market thickness is 45g and can reach more than 300g. The color is dark, the zinc metal is consumed, and the matrix metal is formed into the entry layer, the corrosion resistance is good, and the outdoor environment of hot dip galvanized can adhere to decades.
Annealed wire is a soft iron wire made of low carbon steel cold drawing, heating, constant temperature, heat preservation and other processes. The composition of iron wire varies according to its use. It contains iron, cobalt, nickel, copper, carbon, zinc, and other elements. The hot metal billet rolled into 6.5mm thick steel bar is the wire rod, and then put it into the wire drawing device into a different diameter of the line, and gradually reduce the aperture of the wire tray, cooling, annealing, plating and other processing technology made of various specifications of iron wire.
The difference between them can be so divided, the amount of zinc on the surface of the high zinc thorn rope is about 5 times that of the general zinc thorn rope, which greatly extends the time of rust prevention ability. In the appearance of the two products are silver and white at the same time the metal texture is better, for the difference between the two products if it is not good to distinguish, but for long-term work experts can be able to distinguish the two at a glance.
Nemesis roller cage is used for the isolation and protection of pasture distance, railway and highway, as well as the enclosure and protection of garden apartment, government units, guard posts and border defense. The Nestor rolling cage is fixed with Nestor connecting card at intervals of 120° after the blade barbed rope is wound around the cage. After opening, the Nestor connecting card is formed into a snake belly network. After closing, the diameter of the blade barbed rope ring is 50cm.