P5,Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service

P5,Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service System 1

P5,Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 1000 kg

Supply Capability:: 100000 kg/month

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Specifications

1) ASTM A335 P11 Steel Pipe&Tube
2) Outer Diameter: 10-914mm
3) Wall thickness: 1-100mm
4) Length:3-16m

Cangzhou Qiancheng Steel-Pipe Group Co.(QCCO)

Our products and sizes scope is as following,

SEAMLESS PIPE OD: 3/8"-36"(17.1mm-914.4mm), WT: 2-100mm,
COLD DRAW TUBES OD: 3/8"-3-1/2" (17.1mm-88.9mm),
HOT ROLLES PIPES OD: 4"-8" (114mm-219.1mm),
HOT EXPANSION OD: 10"-36" (273mm-914mm),
LSAW SIZES SCOPE OD: 16” - 56”( 406.4mm-1422mm),WT 8mm-55mm,
OCTG:Seamless and ERW Casing and Tubing OD: 2-3/8" - 20", WT: 3mm-20mm,

Seamless Steel Tubes for Gas Cylinder GB18248

Detailed introduction to ASTM A335 seamless alloy steel pipe:

ASTM A335 seamless alloy steel pipe

FAQ:

1) why you chose us ?

Professional Manufacturer and supplier of Steel pipe

More than 14 years’ professional producing experience

We can get the lowest ex-factory prices. The price are quite reasonable and it is lower than our commercial peers. also, we can guarantee the qualities of our products.

BV, ISO certificates and SGS test can be provided to assure the quality of our products.

2) Our minimum order quantity:

10 Metric Tons or one 20ft or 40ft Container.

3) How about the Delivery Time?

The steel pipe will be produced since we getting your deposit by T/T or Your original L/C. For normal size, some stocks in our factory now, we can supply once you need.

4)What kind of payment does your company support?

T/T, 100% L/C at sight, Cash, Western Union are all accepted.

5) Do you charge for the samples?

According to our company principle, we just charge for samples, you pay for the freight /courier charge.

6) Main market:

Mid East, South America, Africa, Southeast Asia, India etc

Q:What is the difference between 304LN and 304 stainless steel pipes?: The main difference between 304LN and 304 stainless steel pipes lies in the nitrogen content. 304LN stainless steel contains a higher nitrogen content, which improves its strength and corrosion resistance compared to 304 stainless steel. This makes 304LN a better choice for applications where high strength and resistance to corrosion are important factors.

Q:Can stainless steel pipes be threaded with NPT threads?: Yes, stainless steel pipes can be threaded with NPT (National Pipe Thread) threads. NPT is a widely used standard for pipe threads in the United States, and it is suitable for both stainless steel and other materials. However, it is important to note that stainless steel has a higher strength and hardness compared to other materials, which may require more care and attention during the threading process. Additionally, it is recommended to use lubricants or cutting fluids specifically designed for stainless steel to ensure a smooth and accurate threading operation.

Q:How can galvanized steel pipe be connected with stainless steel pipe?: Welding flanges respectively, with flange connection, but galvanized pipe according to specifications, dynamic welding after two times galvanized,

Q:Can stainless steel pipes be insulated with polycarbonate?: Insulating stainless steel pipes with polycarbonate is not possible. Polycarbonate is a thermoplastic material known for its transparency, impact resistance, and insulation capabilities. While it can insulate some pipes like PVC or copper, it is not suitable for stainless steel pipes. These pipes are typically used in high-temperature or corrosive environments, necessitating insulation materials that can withstand such conditions. It is advisable to opt for insulation materials specifically designed for stainless steel pipes, such as mineral wool, fiberglass, or foam pipe insulation.

Q:What is the difference between 304J1 and 316J1 stainless steel pipes?: The main difference between 304J1 and 316J1 stainless steel pipes lies in their composition and properties. 304J1 stainless steel is a variant of 304 stainless steel, which contains a higher percentage of manganese to enhance its formability and reduce the risk of strain hardening during fabrication. This makes it more suitable for certain applications where deep drawing or severe bending is required. However, it is less corrosion-resistant compared to 316J1 stainless steel. On the other hand, 316J1 stainless steel is a variant of 316 stainless steel, which contains a higher percentage of nitrogen to improve its strength and corrosion resistance. It also has slightly better resistance to pitting and crevice corrosion in chloride environments. Therefore, 316J1 stainless steel pipes are often preferred in applications where higher corrosion resistance is required, such as marine environments or chemical processing plants. In summary, while both 304J1 and 316J1 stainless steel pipes are suitable for various applications, the choice between them depends on the specific needs of the project, including the level of corrosion resistance required and the fabrication processes involved.

Q:How do you prevent corrosion in stainless steel pipes?: To prevent corrosion in stainless steel pipes, it is important to regularly clean and maintain them. This can be done by removing any dirt, debris, or contaminants that may accumulate on the surface of the pipes. Additionally, applying a protective coating or sealant can help create a barrier between the stainless steel and external elements that could cause corrosion. Regular inspections and prompt repairs of any damages or leaks are also crucial to prevent corrosion in stainless steel pipes.

Q:What are the temperature limitations of stainless steel pipes?: The temperature limitations of stainless steel pipes depend on the specific grade of stainless steel used. Generally, stainless steel pipes can withstand high temperatures up to 1200°F (649°C) without experiencing significant deformation or damage. However, the maximum operating temperature can vary depending on the alloy composition and its mechanical properties. For instance, austenitic stainless steels, such as grades 304 and 316, are commonly used in various industrial applications and can typically handle temperatures up to 1500°F (816°C). These grades offer good corrosion resistance and excellent toughness, making them suitable for high-temperature environments. On the other hand, ferritic and martensitic stainless steels, like grades 409 and 410, have lower resistance to high temperatures compared to austenitic stainless steels. They can generally withstand temperatures up to 1200°F (649°C) before significant loss of strength occurs. It is important to note that prolonged exposure to high temperatures can cause stress corrosion cracking and reduce the overall lifespan of stainless steel pipes. Therefore, it is crucial to consider the specific application and choose an appropriate grade of stainless steel that can withstand the desired temperature range. Consulting with a materials engineer or referring to industry standards and guidelines is recommended to ensure safe and reliable operation of stainless steel pipes at elevated temperatures.

Q:What is the difference between 304N and 304LN stainless steel pipes?: The main difference between 304N and 304LN stainless steel pipes lies in their chemical composition and the presence of nitrogen. 304N stainless steel pipes have a higher nitrogen content compared to 304LN stainless steel pipes. Nitrogen enhances the strength and corrosion resistance of stainless steel, making it more suitable for applications in high-stress environments or corrosive conditions. The increased nitrogen content in 304N stainless steel pipes improves their overall performance in terms of strength, hardness, and resistance to pitting and crevice corrosion. On the other hand, 304LN stainless steel pipes have a lower nitrogen content but still possess excellent corrosion resistance properties. These pipes are specifically designed for low-temperature applications where toughness is required. The lower nitrogen content in 304LN stainless steel pipes helps maintain good weldability and formability, making them suitable for various fabrication processes. In summary, the difference between 304N and 304LN stainless steel pipes lies in the nitrogen content, which affects their strength, corrosion resistance, and suitability for different applications.

Q:How do you calculate the required wall thickness of stainless steel pipes?: The required wall thickness of stainless steel pipes can be calculated using various factors such as the internal pressure, external pressure, temperature, material properties, and safety factors. These calculations typically involve using codes, standards, and engineering principles to ensure that the pipe can withstand the intended operating conditions without failure or deformation.

Q:What is the maximum pressure stainless steel pipes can handle?: The maximum pressure capacity of stainless steel pipes varies depending on several factors, including the grade of stainless steel, the pipe's wall thickness, and the specific application. Stainless steel pipes exhibit high resistance to pressure, making them suitable for diverse industrial uses. Different grades of stainless steel pipes, such as 304, 316, and 321, come with their own maximum pressure ratings. For example, grade 304 stainless steel pipes typically withstand pressures of up to 870 psi, while grade 316 stainless steel pipes can handle pressures up to 1,500 psi. It is important to consider the wall thickness of the pipe, as it significantly affects the maximum pressure capacity. Thicker-walled pipes generally tolerate higher pressures compared to thinner-walled pipes. Moreover, the specific application and operating conditions influence the maximum pressure capacity of stainless steel pipes. Factors like temperature, corrosive substances, and external forces must be taken into account to ensure the pipes can endure the intended pressure. To determine the maximum pressure capacity for a specific application, it is advisable to consult with a qualified engineer or refer to industry standards and guidelines, such as those provided by the American Society of Mechanical Engineers (ASME) or the International Organization for Standardization (ISO). These resources offer comprehensive information on pressure ratings and specifications for different grades and sizes of stainless steel pipes.

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