• seamless 2205 duplex stainless steel tube System 1
seamless 2205 duplex stainless steel tube

seamless 2205 duplex stainless steel tube

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Specifications

seamless 2205 duplex stainless steel tube
Material:304L,316L,316Ti,321,317L,310S,347H,904Letc.
Standard: A269, A213,
Cert:ISO                

seamless 2205 duplex stainless steel tube

Material:304L,316L,316Ti,321,317L,310S,347H,904L, 321 stainless steel welded pipe etc.
Standar duplex steel d:  A269, A213, A312 201 stainless steel round tube

1. Material

TP304/304L, 316/316L, 310S, 317L, 321, 347H,etc.

S31803, 32750, etc.

2. Sandard

ASTM, ASME, DIN, EN, ISO,JIS, GOST, etc.

3. Type

Seamless

4. Size rangetube

OD: from 6mm to 1000mm (NPS from 1/8'' to 40'')

WT: from 0.7mm to 38mm (Schedule from 5S to XXS)

Length: fix length or un-fix length, Max 30meters

5. Produce process

Pilgering and cold drawn

6. Surface process

Pickling and annealing

AP tube

BA tube

7. Marking

JW, GRADE, seamless, STANDARD, SIZE, HT NO.

8. Package

Bundles with waterproof cloth outside.

or plywood box.

9. Min order quantity

500 KG

10. Sample

Yes

11. OEM accepted

Yes

12. Production capacity

300 tons per month

13. Payment term

T/T or L/C.

14. Certificate

ISO 9001, PED

15. Third party ertificate

BV, LR, SGS, TUV, CCS, ABS, etc.


Q:Can stainless steel pipes be laser welded?
Stainless steel pipes have the capability of being laser welded. Laser welding proves to be an extremely efficient and accurate technique for connecting metals, including stainless steel. This method involves the utilization of a high-powered laser beam to merge and melt the pipe edges together. Due to its capacity to generate robust and long-lasting welds with minimal distortion, laser welding is widely employed in various industries like automotive, aerospace, and construction. The process is especially suitable for stainless steel because it provides exceptional control over the heat input, resulting in a narrow and well-defined weld area. Moreover, laser welding can be automated, making it a financially viable and time-effective solution for joining stainless steel pipes.
Q:Are stainless steel pipes suitable for oil and gas applications?
Yes, stainless steel pipes are suitable for oil and gas applications. They have excellent corrosion resistance, high strength, and can withstand high temperatures and pressures commonly found in oil and gas operations. Additionally, stainless steel pipes are easily maintainable and have a long lifespan, making them a reliable choice for such applications.
Q:What is the external coating used for stainless steel pipes?
The external coating used for stainless steel pipes can vary, but common options include epoxy, polyethylene, or polypropylene coatings.
Q:Can stainless steel pipes be used for chemical processing?
Yes, stainless steel pipes can be used for chemical processing. Stainless steel is known for its excellent corrosion resistance, making it a suitable material for handling various chemicals. It is resistant to both organic and inorganic chemicals, including acids, bases, and salts. Additionally, stainless steel pipes have high strength, durability, and temperature resistance, allowing them to withstand the harsh conditions often encountered in chemical processing. They are also easy to clean and maintain, making them a preferred choice in the industry. However, it is important to consider the specific requirements of the chemicals being processed and consult with experts to select the appropriate grade of stainless steel to ensure optimal performance and safety.
Q:Can stainless steel pipes be used in the pharmaceutical industry?
Indeed, the pharmaceutical industry can employ stainless steel pipes. The pharmaceutical sector favors stainless steel owing to its exceptional resistance to corrosion, robustness, and longevity. Its capacity to withstand high temperatures and pressures, as well as its resistance to numerous chemicals, renders it appropriate for the transportation of diverse pharmaceutical substances and fluids. Furthermore, stainless steel pipes are effortless to clean and maintain, which is vital for upholding sanitation and averting contamination during the pharmaceutical manufacturing procedures. Moreover, stainless steel is non-reactive and non-toxic, thereby assuring the integrity and excellence of pharmaceutical products.
Q:Can stainless steel pipes be insulated with polyvinylidene fluoride?
Yes, stainless steel pipes can be insulated with polyvinylidene fluoride (PVDF). PVDF is a highly durable and temperature-resistant polymer that is commonly used for insulation purposes. It has excellent chemical resistance, UV stability, and flame retardant properties, making it suitable for insulating stainless steel pipes in various applications. PVDF insulation can help prevent heat loss or gain, protect against corrosion, and provide additional mechanical protection to the stainless steel pipes.
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:Are stainless steel pipes suitable for underground heating systems?
Yes, stainless steel pipes are suitable for underground heating systems. Stainless steel is highly resistant to corrosion and can withstand the harsh conditions of being buried underground. It is durable, long-lasting, and can handle high temperatures and pressures, making it an ideal choice for heating systems. Additionally, stainless steel pipes are easy to install and maintain, providing a reliable and efficient solution for underground heating systems.
Q:How do stainless steel pipes compare to cast iron pipes?
There are two popular options for plumbing systems: stainless steel pipes and cast iron pipes. However, these two choices have notable differences when it comes to durability, cost, and corrosion resistance. To begin with, stainless steel pipes are widely recognized for their exceptional durability. They possess a higher strength-to-weight ratio and are less susceptible to cracking or breaking in comparison to cast iron pipes. Consequently, stainless steel pipes are well-suited for high-pressure scenarios or areas with heavy traffic. On the contrary, cast iron pipes have traditionally been acknowledged for their strength and longevity. They exhibit a remarkable resistance to impact and vibrations, which makes them ideal for locations where durability is of utmost importance, such as underground or in commercial buildings. Nevertheless, cast iron pipes are more prone to cracking or corrosion over time, particularly in acidic or alkaline environments. In terms of costs, stainless steel pipes generally require a higher upfront investment in contrast to cast iron pipes. Nonetheless, stainless steel pipes boast a longer lifespan and demand minimal maintenance, ultimately resulting in cost savings in the long term. Conversely, cast iron pipes may entail lower initial expenses but may involve more frequent maintenance and repairs, consequently escalating the overall costs over time. Regarding corrosion resistance, stainless steel pipes surpass cast iron pipes. Stainless steel contains a substantial amount of chromium, which forms a protective oxide layer that prevents corrosion. This characteristic renders stainless steel pipes highly resistant to rust, chemicals, and extreme temperatures. Conversely, cast iron pipes are more prone to rust and corrosion, especially if not adequately coated or maintained. In summary, stainless steel pipes offer superior durability, corrosion resistance, and long-term cost savings compared to cast iron pipes. Although cast iron pipes possess their own advantages, such as strength and impact resistance, stainless steel pipes emerge as a more reliable and versatile option for various plumbing applications.
Q:Can stainless steel pipes be used for power generation applications?
Yes, stainless steel pipes can be used for power generation applications. Stainless steel is a popular choice for pipes in power generation due to its high corrosion resistance, durability, and strength. It can withstand high temperatures and pressures, making it suitable for various power generation processes such as thermal power plants, nuclear power plants, and hydroelectric power plants. Stainless steel pipes are commonly used in power generation applications for several reasons. Firstly, stainless steel has excellent resistance to corrosion, both from high-temperature steam and chemicals commonly used in power generation processes. This resistance ensures that the pipes remain intact and reliable over a long period of time, reducing maintenance and replacement costs. Secondly, stainless steel pipes are known for their durability and strength. They can withstand the high pressures and temperatures generated during power generation without deforming or breaking. This is crucial for ensuring the safety and efficiency of power generation systems. Furthermore, stainless steel is also highly resistant to scaling and fouling, which can occur in power generation applications due to the presence of impurities in water or steam. The smooth surface of stainless steel pipes helps minimize the buildup of deposits, ensuring efficient heat transfer and preventing clogging or blockage. Lastly, stainless steel pipes are compatible with a wide range of power generation fuels, including coal, natural gas, oil, and renewable energy sources. They can handle the corrosive effects of these fuels and maintain their structural integrity. In summary, stainless steel pipes are well-suited for power generation applications due to their corrosion resistance, durability, strength, and compatibility with various fuels. They offer a reliable and long-lasting solution for transporting fluids and gases in power generation systems.

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