What is the difference between stainless steel metal hose and metal hose?

by:Haikuo     2021-06-19
The metal hose includes a stainless steel metal hose. The metal hose has inner and outer layers, and the inner tube, that is, the corrugated tube, is made of stainless steel, divided into 201, 304 and 316. The main difference between the two is the material of the outer steel wire braid. There are steel wires made of carbon steel and steel wires made of stainless steel. Theoretically speaking, carbon steel is easy to rust, but there is no big difference between working pressure and stainless steel. But now the quality of domestic carbon steel materials is very low, and relatively few, so the price of carbon steel metal hoses is relatively cheap. Manufacturers of stainless steel braided metal hoses recommend buying stainless steel metal hoses. You can clearly state your needs with the provider.


Both are made of stainless steel corrugated pipes with one or more layers of steel wire or steel belt mesh sleeves, with joints or flange heads at both ends, which are used to convey various media flexible components.


Stainless steel braided metal hose manufacturers
Main purpose:


1. Transport corrosive chemical media. (For example: loading and unloading ammonia water, etc.)


2. Conveying high temperature medium such as high temperature gas and hot oil. (For example: hot steam, heat transfer oil, etc.)


3. Convey low temperature or ultra-low temperature medium. (E.g. liquid nitrogen)


4. Transport water, steam, oil and other media under high temperature environment. (For example: water vapor system and hydraulic system in coking, steel making, continuous casting equipment)


5. Pipelines that need to absorb vibration or eliminate noise. (For example: the inlet and outlet of the pump)


The main difference between the two is the material of the outer steel wire braid. There are steel wires made of carbon steel and steel wires made of stainless steel. Carbon steel is easy to rust, and the price is relatively cheap.


Metal hose structure: Metal hose is a high-quality flexible pipeline in modern industrial pipelines. It is mainly composed of bellows, net sleeves and joints. Its inner tube is a thin-walled stainless steel corrugated tube with spiral or annular wave shape, and the outer mesh sleeve of the corrugated tube is woven by stainless steel wire or steel belt according to certain parameters. The joints or flanges at both ends of the hose are matched with the joints or flanges of the customer's pipeline. Stainless steel braided metal hose manufacturers use austenitic stainless steel materials or materials according to user requirements, and can be connected in any direction in the pipeline to compensate for temperature and absorb vibration, reduce noise, change the direction of medium delivery, and eliminate inter-pipeline For mechanical displacement between pipes and equipment, double-flange metal corrugated hoses are especially suitable for flexible joints of various pumps and valves with displacement and vibration.


Stainless steel braided metal hose manufacturers
The net sleeve is the main pressure-bearing part of the hose installed in the pressure pipeline, and at the same time acts as a sheath for the corrugated pipe. According to the pressure in the pipeline and the application site, one or more layers of stainless steel wire or The steel belt is braided, and the pressure range of the hose is generally PN0.6-32.0Mpa. Up to 42.0MPa.


Because the main parts of the hose are made of austenitic stainless steel, the hose's excellent temperature resistance and corrosion resistance are guaranteed. The hose has a very wide operating temperature range of -196-600 degrees. Select the applicable stainless steel grades according to the corrosiveness of the medium passing through the pipeline to ensure the corrosion resistance of the hose.


Scope of application for manufacturers of stainless steel braided metal hoses: fully flexible delivery pipes are required to prevent vibrating piping, suitable for steam, gas, air, heavy oil, petroleum, chemical drugs, etc.
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