• A335 Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service System 1
  • A335 Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service System 2
  • A335 Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service System 3
  • A335 Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service System 4
A335 Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service

A335 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:
10000 kg/month

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Packaging & Delivery

 (1) nominal wall and minimum wall seamless ferritic alloy-steel pipe intended for high-temperature service. Pipe ordered to this specification shall be suitable for bending, flanging (vanstoning), and similar forming operations, and for fusion welding.

 (2)Each length of pipe is subjected to the hydrostatic test and examined by a non-destructive examination method in accordance to the required practices. The range of pipe sizes that may be examined by each method is subjected to the limitations in the scope of the respective practices. The different mechanical test requirements for pipes has been passed. 

 (3)Ferritic steels are defined as low- and intermediate-alloy steels containing up to and including 10 % chromium.



Specifications

ASTM A335 Seamless Alloy-Steel Pipe 
Standard: BS 1139, BS 3059-2, JIS G3454-2007 
Grade: 10#-45#, 15NiCuMoNb5, 10Cr9Mo1VNb

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 440C and 440F stainless steel pipes?
The 440 series encompasses two types of stainless steel, namely 440C and 440F. These variants differ slightly in their composition and properties. 440C stainless steel, a high-carbon martensitic type, boasts chromium content that bolsters its corrosion resistance and hardness. It is renowned for its exceptional wear resistance, commendable strength, and ability to maintain sharpness. Its elevated carbon content ensures excellent hardness, albeit at the expense of increased difficulty in machining when compared to stainless steels with lower carbon levels. Consequently, 440C finds common application in scenarios necessitating high strength, corrosion resistance, and wear resistance, such as cutting tools, bearings, and surgical instruments. Contrarily, 440F stainless steel represents a free-machining version of 440C. Like its counterpart, it is a high-carbon martensitic stainless steel; however, it incorporates sulfur to enhance its machinability. The sulfur acts as a lubricant during the machining process, facilitating easier and faster cutting. Nevertheless, the addition of sulfur marginally diminishes 440F's corrosion resistance and toughness in comparison to 440C. Consequently, 440F finds utility in applications demanding extensive machining, such as automotive components, fasteners, and valve parts. To sum up, the primary distinction between 440C and 440F stainless steel lies in their machinability and sulfur content. While 440C offers superior corrosion resistance and hardness, it may prove more challenging to machine. On the other hand, 440F is more manageable to machine but exhibits slightly reduced corrosion resistance and toughness. The selection between the two depends on the specific requirements of the application, with 440C being preferred when prioritizing corrosion resistance and wear resistance, and 440F being suitable for scenarios necessitating extensive machining.
Q:How do you test the quality of stainless steel pipes?
To test the quality of stainless steel pipes, several methods can be used. 1. Visual Inspection: The first step is to visually inspect the pipes for any visible defects such as cracks, dents, or surface irregularities. This can be done by simply observing the pipes closely and checking for any abnormalities. 2. Dimensional Inspection: The dimensions of the stainless steel pipes should meet the specified requirements. This involves measuring the outer diameter, inner diameter, wall thickness, and length of the pipes using calibrated measuring instruments such as calipers or micrometers. 3. Chemical Composition Analysis: Stainless steel pipes should have a specific chemical composition to ensure corrosion resistance and durability. This can be determined by conducting a chemical composition analysis, which involves using techniques like spectroscopy or wet chemical analysis to check the presence and percentage of different elements in the steel. 4. Mechanical Properties Testing: Mechanical properties such as tensile strength, yield strength, and elongation are crucial indicators of the quality of stainless steel pipes. These properties can be tested through various methods including tensile testing, hardness testing, impact testing, or bending testing. These tests are performed according to relevant industry standards to ensure the pipes meet the required mechanical specifications. 5. Non-destructive Testing: Non-destructive testing methods like ultrasonic testing, X-ray inspection, or electromagnetic testing can be employed to detect any hidden defects or inconsistencies within the stainless steel pipes without causing any damage. These tests are useful in identifying flaws such as cracks, voids, or inclusions that may compromise the quality and performance of the pipes. 6. Corrosion Resistance Testing: Stainless steel pipes are known for their excellent corrosion resistance. To verify their resistance to corrosion, various tests like salt spray testing or exposure to harsh environments can be conducted. These tests simulate real-life conditions to evaluate the pipes' ability to resist corrosion and ensure their long-term durability. It is important to note that the specific testing methods and standards may vary depending on the industry or application requirements. Therefore, it is essential to refer to relevant standards and specifications while conducting quality tests on stainless steel pipes.
Q:How do you prevent stress corrosion cracking in stainless steel pipes?
To prevent stress corrosion cracking in stainless steel pipes, there are various precautions that can be taken: 1. Material selection: Opt for a stainless steel grade that has a high resistance to stress corrosion cracking. Typically, austenitic stainless steel grades like 304 and 316 are preferred due to their excellent corrosion and cracking resistance. 2. Proper fabrication and welding: Ensure that the welding procedures used during fabrication are suitable for stainless steel and minimize the introduction of residual stresses. This involves employing appropriate welding techniques, maintaining the right heat input, and implementing post-weld heat treatment if necessary. 3. Avoid exposure to corrosive environments: Shield stainless steel pipes from exposure to aggressive chemicals, high chloride concentrations, and other corrosive substances. Regularly inspect the environment and take necessary measures to prevent contact between the pipes and corrosive agents. 4. Control operating conditions: Steer clear of subjecting stainless steel pipes to excessive tensile stresses or temperatures that can encourage stress corrosion cracking. This can be achieved by maintaining suitable operating conditions, such as controlling pressure, temperature, and flow rates within recommended limits. 5. Regular inspection and maintenance: Conduct routine inspections to detect any signs of stress corrosion cracking. This may include visual inspections, non-destructive testing techniques (e.g., ultrasonic testing), or corrosion monitoring. If any signs of stress corrosion cracking are identified, immediate action should be taken to repair or replace the affected pipe sections. 6. Proper cleaning and maintenance: Keep stainless steel pipes clean and devoid of contaminants that can accelerate corrosion. Regularly follow cleaning and maintenance practices, including the removal of any deposits or foreign materials that may promote stress corrosion cracking. In conclusion, preventing stress corrosion cracking in stainless steel pipes necessitates a combination of appropriate material selection, fabrication techniques, environmental control, regular inspections, and suitable maintenance practices. By implementing these measures, the risk of stress corrosion cracking can be significantly minimized, thereby ensuring the longevity and reliability of stainless steel pipes.
Q:Can stainless steel pipes be used for cryogenic storage tanks?
Yes, stainless steel pipes can be used for cryogenic storage tanks. Stainless steel is known for its excellent corrosion resistance, durability, and strength, which make it suitable for storing extremely cold liquids or gases. Cryogenic storage tanks are designed to store materials at very low temperatures, typically below -150 degrees Celsius. Stainless steel pipes are capable of withstanding these low temperatures without becoming brittle or losing their mechanical properties. Additionally, stainless steel has low thermal conductivity, which helps to minimize heat transfer and maintain the desired temperature inside the storage tank. Therefore, stainless steel pipes are commonly used in cryogenic storage tanks to ensure the safe and efficient storage of cryogenic materials.
Q:What are the different types of stainless steel pipe unions?
Different types of stainless steel pipe unions are available for specific applications and requirements. Some common types are: 1. Threaded Union: This union has threading on both ends, making installation and disassembly easy. It is suitable for low-pressure applications and can handle moderate temperatures. 2. Socket Weld Union: Socket weld unions have a socket on one end and a male threaded connection on the other. They are designed for high-pressure applications and commonly used in industrial settings. 3. Butt Weld Union: Butt weld unions have two butt weld connections on each end. They are used in applications requiring a permanent, leak-proof connection, such as pipelines carrying corrosive fluids. 4. Flanged Union: Flanged unions have flanges on both ends, enabling easy connection to flanged pipes or equipment. They are commonly used in high-pressure and high-temperature applications that require straightforward installation and disassembly. 5. Compression Union: Compression unions consist of two ferrules and a nut that compresses the ferrules onto the pipe, creating a tight seal. They are commonly used in plumbing and gas supply systems. 6. Quick Connect Union: Quick connect unions, also known as push-to-connect unions, allow for easy and fast assembly without the need for tools or soldering. They are commonly used in plumbing, irrigation, and air compressor systems. Choosing the appropriate stainless steel pipe union is crucial, considering factors such as pressure, temperature, and compatibility with the transported fluid. Seeking guidance from a knowledgeable supplier or engineer can ensure the selection of the correct union for the intended application.
Q:Are stainless steel pipes suitable for geothermal applications?
Indeed, geothermal applications can benefit greatly from the use of stainless steel pipes. Geothermal systems rely on harnessing the earth's natural geothermal energy, which often necessitates the conveyance of hot fluids like water or steam. When it comes to this purpose, stainless steel pipes are an ideal selection due to their exceptional strength, resistance to corrosion, and ability to endure high temperatures. They possess the capability to withstand the demanding conditions typically found in geothermal environments, including the presence of acidic or corrosive fluids, while exhibiting a lower likelihood of degradation over time compared to other materials. Furthermore, stainless steel pipes boast excellent thermal conductivity, thereby ensuring the efficient transfer of heat in geothermal applications. All in all, one can confidently consider stainless steel pipes as a dependable and long-lasting choice for geothermal systems.
Q:Are stainless steel pipes suitable for wastewater treatment facilities?
Stainless steel pipes are a great fit for wastewater treatment facilities due to their exceptional corrosion resistance. This quality makes them perfect for managing highly corrosive wastewater. Their ability to resist chemicals and acids prevents deterioration, minimizing the chances of leaks and contamination. Moreover, stainless steel pipes are hygienic and effortless to clean, which is vital in maintaining cleanliness at wastewater treatment facilities. Furthermore, their high strength-to-weight ratio enables easy installation and reduces the necessity for extra support structures. Hence, stainless steel pipes are a dependable and long-lasting option for wastewater treatment facilities.
Q:Are stainless steel pipes resistant to fire?
Yes, stainless steel pipes are highly resistant to fire due to their exceptional heat resistance properties. They can withstand high temperatures without losing their structural integrity, making them a safe and reliable choice for applications where fire protection is a concern.
Q:Are stainless steel pipes suitable for paper and pulp industry?
Yes, stainless steel pipes are highly suitable for the paper and pulp industry due to their exceptional corrosion resistance, durability, and ability to withstand high temperatures and pressures. They are commonly used for transporting various chemicals, fluids, and slurries within the paper and pulp manufacturing processes. Stainless steel pipes also offer hygienic properties, ease of maintenance, and longevity, making them an ideal choice for this industry.
Q:Are stainless steel pipes suitable for mining industries?
Stainless steel pipes are extensively utilized and deemed appropriate for the mining sector. The mining industry necessitates materials that can withstand harsh and corrosive environments, and stainless steel is widely recognized for its exceptional resistance to corrosion. This quality is especially significant in mining operations as pipes are constantly exposed to various chemicals, minerals, and water, which can hasten the corrosion procedure. Moreover, stainless steel pipes possess remarkable durability and can endure extreme temperatures, rendering them suitable for the demanding conditions encountered in mining activities. Furthermore, these pipes offer elevated strength and reliability, ensuring the secure and efficient transportation of fluids, gases, and slurries throughout the mining process. Consequently, stainless steel pipes are the preferred choice in the mining sector due to their corrosion resistance, durability, and strength, establishing them as a dependable and long-lasting alternative for mining operations.

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