Sales of Various Models for the Stainless Steel Pipe

Sales of Various Models for the Stainless Steel Pipe System 1

Sales of Various Models for the Stainless Steel Pipe

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Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 30 m.t.

Supply Capability:: 4000 m.t./month

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1、Structure of Heat Exchanger Stainless Steel Pipe TP304 ASTM A213 Description:

Boiler Heat Exchange stainless steel pipe is often used in the heating system. Heating system, or those stored energy (such as solar energy) in the form of heat, need to be built with the material that can withstand temperatures up to 550 degrees Celsius. High chromium molybdenum welded steel pipe can work in the extreme, which maintain as the ideal material for the construction of power station.

2、Main Features of Heat Exchanger Stainless Steel Pipe TP304 ASTM A213：

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

•Reasonable price

3、Heat Exchanger Stainless Steel Pipe TP304 ASTM A213 Specification：

1)Commodity: heat exchanger pipe
2))Material: 304,316L,304L,316,321,310S,etc
3)Thickness:0.5-100mm
4)Length: 1-14m

Material Grade	304,304L,316 ,316L,321,310S,2205,904and so on.
Standard	ASTM A312, A554, A249, A269 and A270,ect
	DIN 17456-85 , DIN 17458-85, DIN 17459-92,ect
	JIS G3446-1994, JIS G3448-1997, JIS G3459-1997, JIS G3463-1994,ect
	GB13296-1991, GB14975-2002, GB14976-2002,ect
Outer Diameter	13.7-2020mm
Thickness	0.5-50mm
Length	1m -12m or as customers' request
Polish	180G, 320G, 400G Satin / Hairline
Polish	400G, 500G, 600G or 800G Mirror finish
Test	eddy current inspection, ultrasonic inspection, X-ray inspection, real-time imaging, hydrostatic test, spectral analysis, intergranular corrosion, water pressure test, and mechanical property testing facilities.
Payment	1) by L/C at sight,
Payment	2) 30% deposit, 70% balance before Shipping.
Delivery time	A.7 days if this goods is stock goods.
Delivery time	B.25 days if this goods will be produced after order
Validity	Valid time is 3 days for price usually.
Payment terms	FOB QINGDAO
MOQ	1 ton
Capacity	1000 ton per month
Certificate	ISO, SGS, and third part inspection
Applications	the products are widely used in chemical industry, condenser pipe, heat exchanger, petroleum, shipping military, environment protection, high temperature resistant, low temperature resistant, corrosion resistant and so on.
packing details	1) Wooden-box Package. 2) The Wooden Frame Packing. 3) Intertexture Cloth Packaging with the Iron Sheet Bonding and the Two Terminals Covered With Plastic Dome.

4、Heat Exchanger Stainless Steel Pipe TP304 ASTM A213 Images：

Heat Exchanger Stainless Steel Pipe TP304 ASTM A213

5、FAQ of Heat Exchanger Stainless Steel Pipe TP304 ASTM A213：

①How is the quality of your products?
Our products are manufactured strictly according to national and internaional standard, and we take a test on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.

②How about price?
Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.

③Why should you chose us?
Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.

Any question, pls feel free to contact us !

Q: Are stainless steel pipes suitable for fertilizer industries?: Yes, stainless steel pipes are suitable for fertilizer industries. Stainless steel is highly resistant to corrosion, which is important in industries where the pipes come into contact with corrosive substances such as fertilizers. Additionally, stainless steel pipes have high strength and durability, making them capable of withstanding the harsh conditions of fertilizer production. They also have a smooth inner surface, which prevents the buildup of sediments and impurities that could affect the quality of the fertilizer. Furthermore, stainless steel pipes are easy to clean and maintain, ensuring the hygiene and safety standards required by the fertilizer industry. Overall, stainless steel pipes are an excellent choice for fertilizer industries due to their corrosion resistance, strength, durability, and ease of maintenance.

Q: What is the difference between annealed and pickled stainless steel pipes?: Annealed stainless steel pipes and pickled stainless steel pipes both undergo different processes that affect their properties and appearance. Annealing is a heat treatment process that involves heating the stainless steel pipes to a specific temperature and then slowly cooling them. This process helps to relieve internal stresses and improve the ductility and toughness of the material. Annealed stainless steel pipes are usually softer and more malleable, making them easier to work with during fabrication and installation. They also tend to have a smoother, more polished surface finish. On the other hand, pickling is a chemical process that removes surface impurities such as oxides, scales, and rust from stainless steel pipes. It involves immersing the pipes in an acid solution, typically a mixture of nitric and hydrofluoric acid, which dissolves the impurities. Pickling helps to restore the corrosion resistance of the stainless steel and leaves a clean, bright, and uniform surface finish. In summary, the main difference between annealed and pickled stainless steel pipes lies in the processes they undergo. Annealing improves the material's ductility and toughness, while pickling removes surface impurities and restores corrosion resistance. The choice between annealed and pickled stainless steel pipes depends on the specific requirements of the application, such as the desired mechanical properties and surface finish.

Q: How do you prevent backflow in stainless steel pipes?: To prevent backflow in stainless steel pipes, there are a few key measures that can be taken. 1. Install a backflow preventer: This is a mechanical device that is installed in the pipe system to ensure that water flows in one direction and prevents any backflow. There are different types of backflow preventers available, such as check valves, double check valves, and reduced pressure zone devices. The selection of the appropriate backflow preventer depends on the specific requirements of the system and local codes and regulations. 2. Regular maintenance and inspection: It is important to regularly inspect the backflow preventer and ensure it is functioning properly. Any signs of wear or damage should be addressed immediately to prevent potential backflow issues. Regular maintenance can also include cleaning and replacing any worn-out parts to ensure optimal performance. 3. Pressure regulation: Maintaining proper pressure in the stainless steel pipes can also help prevent backflow. High pressure can cause water to flow in the opposite direction, leading to backflow. By installing pressure regulators or pressure-reducing valves, the water pressure can be controlled and maintained within the recommended range. 4. Air gaps: Incorporating air gaps in the system can provide an additional layer of protection against backflow. An air gap is a physical separation between the water source and the point of use, ensuring that there is no direct connection that could allow backflow to occur. 5. Adequate system design: Proper system design is crucial in preventing backflow. By ensuring that the stainless steel pipes have the correct sizing, appropriate slope, and proper connections, the risk of backflow can be minimized. Additionally, locating the backflow preventer in an easily accessible area can facilitate regular maintenance and inspection. By implementing these preventive measures, the risk of backflow in stainless steel pipes can be significantly reduced, promoting the safe and efficient flow of water in the system.

Q: Are stainless steel pipes suitable for high-temperature steam?: Yes, stainless steel pipes are suitable for high-temperature steam. Stainless steel has excellent heat resistance properties, making it a reliable choice for conveying steam at high temperatures. It can withstand the high-pressure and high-temperature conditions associated with steam systems, ensuring durability, safety, and efficient operation.

Q: What is the maximum allowable working pressure for stainless steel pipes?: Several factors, including the grade of stainless steel, pipe size, and operating temperature, determine the maximum allowable working pressure for stainless steel pipes. Compared to other materials, stainless steel pipes generally have higher pressure ratings due to their exceptional resistance to corrosion. Standards and codes, such as ASME B31.3 and B31.1, typically determine the maximum allowable working pressure (MAWP). These codes provide guidelines for the fabrication, design, and installation of piping systems. For instance, ASME B31.3 offers tables and formulas that allow for the calculation of the maximum allowable working pressure based on the temperature, wall thickness, and material properties of the stainless steel pipe. Additionally, the code takes into account safety factors, corrosion allowances, and the specific service conditions. To determine the maximum allowable working pressure of the stainless steel pipe being used, it is crucial to consult the relevant standards and codes. Working pressures can vary significantly depending on factors such as pipe grade, dimensions, and intended application.

Q: What is the maximum operating pressure for stainless steel pipes?: The maximum operating pressure for stainless steel pipes depends on various factors such as the grade of stainless steel, the diameter of the pipe, and the temperature of the fluid being transported. Generally, stainless steel pipes can handle higher pressures compared to other materials due to their inherent strength and corrosion resistance. For example, for stainless steel pipes made of grade 304 or 316, which are commonly used in various industries, the maximum operating pressure can range from 1000 to 3000 psi (pounds per square inch) or even higher depending on the specific application and pipe size. However, it is important to consult the manufacturer's specifications and guidelines to determine the exact maximum operating pressure for a particular stainless steel pipe. It is worth noting that the maximum operating pressure may also be affected by factors such as pipe wall thickness, pipe fittings, and joint connections. Therefore, proper design, installation, and maintenance are crucial to ensure the safe and efficient operation of stainless steel pipes at their maximum operating pressure. Consulting with a professional engineer or a specialist in stainless steel piping systems can provide accurate and specific information for a given application.

Q: How do you calculate the maximum allowable deflection for stainless steel pipes?: To determine the maximum allowable deflection for stainless steel pipes, various factors must be taken into consideration. Firstly, it is necessary to ascertain the material properties of the stainless steel being utilized, including its modulus of elasticity (E) and yield strength (σy). These properties can typically be obtained from material specifications or through testing. Following that, the allowable stress (σa) for the stainless steel pipe needs to be determined. Usually, this value is a fraction of the yield strength, typically around 0.4 or 0.5 times the yield strength, ensuring the pipe's safety and integrity. Once these values are known, the formula for deflection in a simply supported beam can be utilized to calculate the maximum allowable deflection: δ = (5 * w * L^4) / (384 * E * I) Here: δ represents the maximum deflection w denotes the load per unit length applied to the pipe L signifies the length of the pipe E represents the modulus of elasticity of the stainless steel I indicates the moment of inertia of the pipe's cross-section In this scenario, the load per unit length (w) can be calculated based on the weight of the material being transported or the external forces acting on the pipe. The moment of inertia (I) depends on the cross-sectional shape of the pipe. For instance, in the case of a circular pipe, the moment of inertia (I) equals (π * D^4) / 64, where D represents the diameter of the pipe. By plugging the known values into the formula, the maximum allowable deflection for the stainless steel pipe can be calculated. Ensuring that the calculated deflection remains within the maximum allowable limit is crucial for maintaining the structural integrity and functionality of the pipe.

Q: What kind of welding machine is used for welding thin stainless steel plate and stainless steel square tube?: 1 mm thick enough, basically argon arc welding machine can, 0.2 thick stainless steel plate welding is not good ah, how have three or four points it can be positive or negative, only a few joints only, mainly to see the technology myself you, not what, the polishing wheel is on the line let's do it, you can buy a good quality of argon arc welding machine, the high price of the arc is stable

Q: What is the difference between satin and brushed finishes in stainless steel pipes?: The main difference between satin and brushed finishes in stainless steel pipes lies in their appearance. Satin finishes have a smooth and glossy surface, resembling the sheen of silk, while brushed finishes have a textured and matte appearance, created through the use of abrasive materials.