Three-way pipe fitting is a common pipe connection using a three-way mechanism for processing and forming, its role is to connect three pipes together to form a branch, usually used in the pipeline system branch or confluence to achieve fluid transportation and distribution. The making material of tee pipe fittings has a great influence on the performance and life of the pipe. The following will introduce the commonly used materials for the production of tee pipe fittings.
I. Cast iron
Cast iron is a common three-way pipe fitting material, which has good wear resistance, corrosion resistance and high temperature resistance, and is widely used in the pipeline system of chemical, petroleum, gas and other industries. The production process of cast iron tee pipe fittings is simple and the cost is low, but the strength and toughness of cast iron are relatively poor and easy to fracture. Therefore, in the case of high pressure, high temperature and large impact load, it is not appropriate to use cast iron tee pipe fittings.
Two, carbon steel
Carbon steel is a commonly used three-way pipe fitting material, it has high strength, low cost, widely used in chemical, petroleum, natural gas and other industries of the pipeline system. Carbon steel has relatively poor corrosion resistance and is vulnerable to chemical corrosion. In the pipeline system of acid, alkali, salt and other media, it is necessary to choose the appropriate material to ensure the corrosion resistance of the pipeline.
Three, stainless steel
Stainless steel is a commonly used three-way pipe fitting material, it has excellent corrosion resistance, high strength and high temperature resistance, widely used in food, electronics and other industries of the pipeline system. Stainless steel production process is more complex, the cost is relatively high. There are more categories of stainless steel, including austenitic stainless steel, martensitic stainless steel, ferritic stainless steel, etc. Different types of stainless steel have different mechanical properties and corrosion resistance.
Four, alloy steel
Alloy steel is a kind of high-strength and high-toughness three-way pipe fitting material, which has excellent corrosion resistance and high temperature resistance, and is widely used in the pipeline system of chemical, petroleum, natural gas and other industries. The production process of alloy steel is more complicated and the cost is relatively high. The classification of alloy steel is more, including chromium molybdenum steel, chromium steel, nickel steel, etc. Different types of alloy steel have different mechanical properties and corrosion resistance.
5. Plastics
Plastic is a kind of lightweight, corrosion-resistant, easy to process and low-cost three-way pipe fitting material, which is widely used in the pipeline system of chemical, petroleum, natural gas and other industries. There are many categories of plastics, including PVC, PP, PE, PVDF, etc., and different types of plastics have different mechanical properties and corrosion resistance. The production process of plastic tee pipe fittings is simple, but the strength and high temperature resistance of plastic are relatively poor, and it is easy to deformation and aging.
The above is the material introduction of the commonly used tee machine production, the production of tee pipe fittings need to choose the appropriate material and production process according to the actual situation to ensure the stability of the pipeline system.
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