The main use characteristics and production process of 304 stainless steel capillary

The main purpose of 304 stainless steel capillary

304 stainless steel capillary can be applied to various automation technology instrumentation data signal tube, instrumentation cable cable protection tube, high-precision electronic optical ruler line, industrial sensor, electronic product line protection tube; safety precautions for household appliances line, thermal instrument capillary Safety protection of blood vessels and internal support points of hollow-core high-pressure optical cables.

Features of 304 stainless steel capillary

It has excellent flexibility, corrosion resistance, heat resistance, wear resistance, compressive strength, wear resistance and excellent magnetic shielding material characteristics. The stainless steel capillary tube can be bent into various viewing angles and angles at will, and has the same flexibility and durability in all directions. The stainless steel hose is flexible and flexible, and has no blocking and bending rigidity; the stainless steel plate-mounted plastic hose has a certain tensile force in the middle of the side buckle to prevent the plastic hose from being damaged due to the damage of the plastic hose. The radial tensile force can bear about 6 times of the nominal diameter exceeding the allowable error. Therefore, the installation of the stainless steel capillary tube is convenient, and the low-efficiency kinetic energy can be used reasonably to achieve the practical effect of environmental protection, energy saving and comfort.

The process of 304 stainless steel capillary tube in reducing burning

1. It is necessary to pay attention to whether the annealing temperature meets the required temperature. The quenching and tempering treatment of stainless steel plates generally accepts solution quenching and tempering treatment, or "quenching", and the temperature range of this process is 1040~1120℃ (Japanese national standard). The steel pipe can also be inspected in the inspection hole of the quenching furnace during the production and processing of the steel pipe. The steel pipe in the quenching area should be incandescent without softening and slack.

2. Quenching atmosphere. Generally, pure hydrogen is used as the quenching atmosphere of steel pipes, and the purity of the atmosphere is preferably about 99.99%. If there is another inert gas in the atmosphere, the purity of pure hydrogen can be moderately reduced, but excessive oxygen cylinders and water vapor are strictly prohibited.

3. The airtightness of the furnace wall. The bright quenching furnace must be sealed from the outside gas. Generally, radon gas is used as the steam for maintenance. The furnace wall can only be connected to one gas outlet, which is convenient for igniting radon gas. The method of inspection is to apply water to the gap of each joint of the quenching furnace, and observe whether there is any steam leakage. The most vulnerable position is the area where the quenching furnace enters and exits the pipeline. The sealing ring here is easy to damage and must Often inspected and replaced.

4. Maintain gas working pressure. In order to prevent steam leakage, the maintenance gas in the bright furnace should maintain a certain positive standard pressure. If the maintenance gas is radon gas, it should be about 20kBar widely.

5. There must be no moisture in the furnace. The first is to continuously check whether the furnace wall is boring. When the furnace is installed for the first time, the raw materials of the furnace wall must be air-dried; the second is to check whether the steel pipe entering the furnace has residual water stains, and some steel pipes will have holes. At this time, it is absolutely forbidden to bring water to the bright furnace, otherwise it will cause adverse effects on the whole process of stainless steel processing.

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