TP347HStainless steel pipe

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The TP347H stainless steel pipe is a kind of austenitic stainless acid resistant steel, with good resistance to intergranular corrosion resistance and good corrosion resistance, mainly used in aerospace, petrochemical, food, paper and other industries.

TP347H stainless steel is austenitic stainless acid resistant steel, are widely used in aerospace, petrochemical, food, paper and other industries, such as the exhaust duct and branch of aero engine turbine compressor, heat pipes and parts of not more than 850 DEG C under the working conditions in a small load and temperature.

The characteristics of TP347H stainless steel pipe is corrosion, intergranular anti good in acid, alkali, salt solution, have good corrosion resistance.

The physical constants of TP347H stainless steel pipe:

Melting point: the temperature of 1398-1427 DEG C

Specific heat capacity: 500J (kg.K)

The elastic modulus at 20 DEG C: 196GPa, 200 DEG C to 400 DEG C for 186GPa, 177GPa, 500 degrees 167GPa, 600 DEG C for 167GPa

Specific resistance: 0.75nN.m

Chemical composition of TP347H stainless steel pipe:

C: = 0.10, Si: = 1 Mn: = 2 Cr:17.0-20.0 Ni:9.0-13.0 Nb:8 * C%-1.5 S: = 0.030 P: = 0.035

Mechanical properties of TP347H stainless steel pipe:

20 C: 559-637 235-274 53-61 63-69 20.6-27.4

500 C: 392-429 147-216 28-36 56-66 23.5-28.4

600 C: 363-382 137-186 28-34 54-65 24.5-30.4

650 C: 304-363 118-167 31-38 54-61 23.5-31.4

700 C: 245-304 31-42 44-60 24.5-29.4

Heat treatment of TP347H stainless steel pipe:

The temperature of 1000-1100 DEG C solid solution treatment, water cooling

Corrosion resistance of TP347H stainless steel pipe:

Uniform corrosion

Intergranular corrosion by sulfuric acid with copper sulphate and copper scrap method (T method), copper and sulfuric acid sulfuric acid method (L method) and 65%HNO3 method (X method) test

Antioxidation: at 750-800 DEG C in the air, the antioxidant properties of this steel has stable

Q:How do you measure the diameter of a steel pipe?: To determine the diameter of a steel pipe, various methods can be employed based on the tools accessible and the required accuracy. Here are several commonly used techniques: 1. Utilizing calipers: The most precise approach involves employing a set of calipers. Expand the calipers to their maximum width and then gradually close them around the pipe until they fit snugly. The diameter of the pipe will be indicated by the measurement displayed on the calipers. 2. Tape measure or ruler: In the absence of calipers, a tape measure or ruler can be employed. Wrap the tape measure or ruler around the pipe's circumference, ensuring a snug fit without excessive tightness. Divide the measurement by pi (3.14) to obtain the diameter. Although this method may not offer the same accuracy as calipers, it can provide a rough estimate. 3. String or flexible tape: Another option is to employ a piece of string or flexible tape. Wrap it around the pipe's circumference and mark the point of overlap. Utilize a ruler or tape measure to determine the length of the marked section. Divide this measurement by pi (3.14) to ascertain the diameter. 4. Implementing a pipe gauge: A specialized tool known as a pipe gauge can be utilized for measuring pipe diameter. It comprises a series of circular holes accompanied by corresponding diameter labels. Simply insert the pipe into the hole that best matches its size, and the label will indicate the diameter. Bear in mind that it is crucial to measure the diameter at multiple points along the pipe to account for any irregularities or inconsistencies. For accurate measurements, it is advisable to take multiple readings and calculate the average diameter.

Q:What is the difference between carbon steel and stainless steel pipes?: The main difference between carbon steel and stainless steel pipes lies in their composition and rust resistance properties. Carbon steel pipes are primarily made of iron and carbon, making them less resistant to corrosion and prone to rusting. On the other hand, stainless steel pipes contain chromium, which gives them excellent rust resistance and durability. This makes stainless steel pipes ideal for use in environments where corrosion is a concern, such as in plumbing systems and industrial applications.

Q:Can steel pipes be used for transporting slurry?: Yes, steel pipes can be used for transporting slurry. Steel pipes are known for their durability and strength, making them suitable for handling abrasive materials like slurry. The smooth interior surface of steel pipes helps to minimize friction and prevent clogging, ensuring efficient transportation of slurry. Additionally, steel pipes can withstand high pressure and are resistant to corrosion, making them a reliable choice for slurry transport.

Q:What is the cost of steel pipes?: The cost of steel pipes can vary depending on factors such as the size, grade, and quantity needed, as well as market conditions and supplier. It is recommended to contact suppliers or check online platforms to get specific pricing information.

Q:How are steel pipes used in automotive manufacturing?: Automotive manufacturing extensively employs steel pipes for a multitude of purposes. The exhaust system represents one of the principal functions of steel pipes in this industry. In vehicles, the exhaust system is accountable for securely eliminating harmful gases generated during the combustion process. Steel pipes are employed in fabricating the exhaust manifold, which collects exhaust gases from the engine cylinders and directs them towards the exhaust pipe. Additionally, steel pipes are also utilized in constructing the chassis and frame of vehicles. The chassis offers structural support and aids in upholding the overall strength and stability of the vehicle. Due to their exceptional strength and durability, steel pipes are the optimal choice for manufacturing the chassis and frame. These pipes are frequently welded together to form a rigid and robust structure capable of withstanding diverse forces and impacts. Furthermore, steel pipes find application in the suspension system of automobiles. The suspension system is responsible for delivering a comfortable and smooth ride by absorbing shocks and vibrations. Steel pipes are employed in manufacturing suspension components such as control arms, tie rods, and sway bars. These components contribute to maintaining the stability, handling, and overall performance of the vehicle. Moreover, steel pipes are utilized in the fuel system of automobiles. They are responsible for transporting fuel from the fuel tank to the engine. These pipes necessitate resistance to corrosion and possess high tensile strength to guarantee the safe and efficient delivery of fuel. In conclusion, steel pipes play a pivotal role in automotive manufacturing. They are utilized in diverse applications including the exhaust system, chassis and frame construction, suspension system, and fuel system. The incorporation of steel pipes in these areas ensures the durability, strength, and performance of vehicles while simultaneously upholding safety and efficiency.

Q:How are steel pipes connected together?: Steel pipes are typically connected together using various methods such as welding, threading, or using couplings.

Q:How are steel pipes used in heating systems?: Steel pipes are commonly used in heating systems to transport hot water or steam from the boiler to various heating devices, such as radiators or baseboard heaters. The steel pipes are durable and can withstand high temperatures and pressure, ensuring efficient and safe distribution of heat throughout the building.

Q:What are steel pipes?: Steel pipes are hollow cylindrical tubes made from steel, which are mainly used for transporting fluids and gases in various industries such as oil and gas, construction, and plumbing. They are known for their strength, durability, and resistance to corrosion, making them an essential component in infrastructure and industrial applications.

Q:How are steel pipes used in the automotive exhaust systems?: Steel pipes are commonly used in automotive exhaust systems because steel is a durable and heat-resistant material. Steel pipes are used to transport the exhaust gases from the engine to the muffler and tailpipe, ensuring that the gases are safely and efficiently expelled from the vehicle. These pipes are designed to withstand high temperatures, corrosion, and vibration, making them an essential component in the exhaust system.

Q:How are steel pipes used in the agriculture sector?: Steel pipes are commonly used in the agriculture sector for various purposes such as irrigation, drainage systems, and the transportation of water, chemicals, and fertilizers. They are also used in the construction of greenhouse structures and livestock enclosures, providing durability and strength to withstand harsh agricultural environments. Additionally, steel pipes are employed for post and pole applications, supporting fences and gates on farms.

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