Cnc Titanium Tube Sheet
Cnc Titanium Tube Sheet
The titanium tube plate is a circular titanium/titanium alloy/titanium composite plate drilled out a hole slightly larger than the outer diameter of the pipe, which is a circular porous plate that plays a role in fixing the pipe and sealing the medium in the heat exchanger. A fitting used to insert and weld a pipe in place. The precision of titanium tube plate processing, especially the pipe hole spacing and pipe diameter tolerance, verticality, and finish greatly affect the assembly and use performance of the above listed chemical titanium equipment.
The titanium tube plate is a circular titanium/titanium alloy/titanium composite plate drilled out a hole slightly larger than the outer diameter of the pipe, which is a circular porous plate that plays a role in fixing the pipe and sealing the medium in the heat exchanger. A fitting used to insert and weld a pipe in place. The precision of titanium tube plate processing, especially the pipe hole spacing and pipe diameter tolerance, verticality, and finish greatly affect the assembly and use performance of the above listed chemical titanium equipment.
Titanium tube sheet size and design:
Titanium tube sheet application:
Tube plate is widely used in tubular heat exchangers, boilers, pressure vessels, steam turbines, large central air conditioning and other industries.
Mainly used in chemical titanium containers, such as titanium tube heat exchangers, titanium pressure vessels, boilers, titanium condenser, air conditioning, titanium evaporator, seawater desalination, to support the role of fixed tubes, metal titanium material makes it not only has high strength, but also has great heat conduction performance, corrosion resistance.
Common titanium tube sheet materials include Gr1, Gr2, Gr5, Gr7, Gr12, etc. These materials are in line with ASTM and other relevant standards to ensure the quality and performance of the product.
Encounter strong acid, high pressure and high temperature, nuclear energy and other environments need titanium, nickel, titanium alloy, zirconium and other corrosion-resistant materials and the application of new synthetic materials, to bring new vitality to titanium tube plate products. Processing: Tube plates for three or four types of pressure vessels require relatively high precision. The traditional hole processing method is fitter marking and radial drilling. With the large-scale of the chemical titanium container, the diameter of the titanium tube plate is also increasing, and the thickness is gradually thickening, and the tube plate processing is also introduced with numerical control technology, and the numerical control drilling machine is generally used to make hole processing with rocker arm drilling. The use of machining centers to do high-efficiency and high-precision hole processing has gradually been accepted by some large enterprises. The demand for large heavy tubesheet in the fields of nuclear power, seawater desalination, and central air conditioning heat exchangers is showing an increasing trend.
Advantages of titanium tubesheet and stainless steel tubesheet：
There are significant differences between titanium tubesheet and stainless steel tubesheet in many aspects, which are mainly reflected in corrosion resistance, specific strength and thermal stability. Here's a detailed comparison of the two materials:
Corrosion resistance
Titanium tubesheet: Titanium tubesheet has excellent corrosion resistance, especially in humid atmospheric and seawater media. It can resist pitting corrosion, acid corrosion and stress corrosion, and also has excellent corrosion resistance to alkali, chloride, chlorine, nitric acid, sulfuric acid, etc. This makes titanium tubesheet especially suitable for chemical equipment, condenser tubesheet and other occasions requiring high corrosion resistance.
Stainless steel tubesheet: Although stainless steel tubesheet also has a certain corrosion resistance, it is usually not as good as titanium tubesheet. Stainless steel may corrode in certain media (such as chloride ion environments), especially at high temperatures or high concentrations.
Specific strength
Titanium tube plate: The density of titanium alloy is low, about 60% of steel, but its strength is close to or even more than ordinary steel. Therefore, the specific strength (strength/density) of titanium tube plate is much higher than that of other metal structural materials, and components with high unit strength, good rigidity and light weight can be produced.
Stainless steel tube sheet: The density of stainless steel is higher than that of titanium, and its specific strength is usually lower than that of titanium alloy. This means that under the same strength requirements, stainless steel tubesheet may be heavier.
Thermal stability
Titanium tubesheet: Titanium tubesheet can still maintain the required strength at a moderate temperature, and can work for a long time at a temperature of 450 ~ 500 ° C. In the range of 150℃ ~ 500℃, titanium alloy still has a high specific strength.
Stainless steel tubesheet: The thermal stability of stainless steel varies according to the specific type, but its performance may not be as stable as titanium tubesheet at high temperatures. For example, some types of stainless steel may oxidize or corrode at high temperatures.
Low temperature performance
Titanium tube plate: Titanium alloy can still maintain its mechanical properties at low and ultra-low temperatures, and titanium alloys with extremely low gap elements are especially suitable for use in extremely cold environments.
Stainless steel tube sheet: The performance of stainless steel at low temperatures may also change, but it is usually not as stable as titanium alloy at extremely low temperatures.
Manufacturing cost
Titanium tubesheet: Because the titanium material itself is expensive and difficult to process, the manufacturing cost of titanium tubesheet is usually higher than that of stainless steel tubesheet.
Stainless steel tube plate: Stainless steel material is relatively cheap, and the processing technology is mature, so the manufacturing cost of stainless steel tube plate is relatively low.
Titanium tubesheet, as a key material in high-end equipment manufacturing and chemical, Marine engineering and other fields, plays a pivotal role in modern industry with its unique performance and advantages. It not only inherits the advantages of corrosion resistance and biocompatibility of pure titanium, but also greatly reduces the cost and improves the structural strength by combining with steel and other substrates, and has become an indispensable and important material in many industries.
It should be noted that the specific material grade, size and design of titanium tubesheet will depend on application requirements and industry standards. welcome to consult our engineers and technicians, we will help you achieve the best performance and safety in your intended application with many years of experience in the manufacture of titanium tube sheet.
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