stainless steel tube 304 1.4301 from okorder.com

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 1000 m.t./month

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Quick Details

Standard:	ASTM,DIN,EN,GB,JIS	Place of Origin:	China (Mainland)	Brand Name:	OKORDER
Model Number:	AD0422 6	Type:	Welded	Steel Grade:	300
Application:	handrail,staircase,railing,weldmesh screen,door,balcony	Certification:	SGS BV ISO	Welding Line Type:	EFW
Thickness:	0.3mm to 3.0mm	Outer Diameter:	9.53mm to 254mm	Production Standard::	ASTM A554/A312/A249/A269/A270
Polish::	Bright or Mirror,Satin, Hairline,	bending degree::	180 degree/ 90 Degree	contact:	OKORDER
product:	large diameter stainless steel pipe	Supplier:	Taizhou Hengda	packing::	sea worthy

Packaging & Delivery

Packaging Detail:	Each tube in a plastic bag, then several tubes to a seaworthy woven bag with 50kg/bundle or 400kg-500kg/bundle. Or as customer's requirement.
Delivery Detail:	15 days normally

Specifications

stainless steel pipe 316L / 347 /410/ 420/430 :
1.Grade:201,202,301,304,316L,etc
2.OD:9.53-254mm,TK:0.3-3.0mm

Q:How are stainless steel pipes manufactured?: Stainless steel pipes are manufactured through a multi-step process that involves various stages of fabrication and shaping. The manufacturing process begins with the selection of high-quality stainless steel, usually in the form of sheets or coils. These steel sheets are thoroughly inspected for any defects or imperfections before being cut into the desired length or size. Once the sheets are cut, they are fed into a forming machine where they are rolled into the shape of a cylindrical tube. This process is known as cold rolling, and it helps to give the pipe its initial shape and thickness. The rolled sheets are then welded together using either a high-frequency induction welding technique or a submerged arc welding method. Both methods ensure a strong and durable weld joint. After the welding process, the pipe goes through a series of finishing treatments to improve its appearance and physical properties. The first step is to remove any excess weld material using a trimming machine. This ensures a smooth and even surface along the length of the pipe. Next, the pipe is subjected to a heat treatment called annealing. Annealing helps to relieve internal stresses and improve the pipe's mechanical properties. It also enhances the corrosion resistance of the stainless steel. Following annealing, the pipe may undergo additional processes such as pickling and passivation. Pickling involves immersing the pipe in an acid solution to remove surface impurities and oxides. Passivation, on the other hand, involves treating the pipe with a chemical solution to create a protective oxide layer on its surface, enhancing its resistance to corrosion. Once the finishing treatments are complete, the pipes are cut to the desired length and undergo a final inspection for quality assurance. This involves checking dimensions, surface finish, weld integrity, and overall appearance. In conclusion, stainless steel pipes are manufactured through a meticulous process that includes cutting, forming, welding, finishing treatments, and quality control measures. This ensures that the pipes meet the required standards and exhibit excellent properties such as strength, durability, and corrosion resistance.

Q:What is the maximum temperature that stainless steel pipes can withstand?: The maximum temperature that stainless steel pipes can withstand depends on the grade of stainless steel used. Generally, stainless steel pipes can withstand high temperatures ranging from 1200 to 1600 degrees Fahrenheit (650 to 870 degrees Celsius). However, it is important to note that prolonged exposure to these extreme temperatures may cause the stainless steel to lose its strength and potentially result in deformation or failure. It is always recommended to consult the specific manufacturer's guidelines or a materials engineer to determine the maximum temperature limits for a particular grade of stainless steel pipe in any given application.

Q:Can stainless steel pipes be painted or coated?: Indeed, it is possible to paint or coat stainless steel pipes. However, it is vital to opt for a suitable paint or coating specifically formulated for stainless steel surfaces. This is because stainless steel possesses a smooth and non-porous surface, which can pose a challenge for proper adherence of paint or coatings. Moreover, stainless steel pipes may encounter harsh environmental conditions, such as elevated temperatures or corrosive substances, thus necessitating the use of a paint or coating that is resistant to these elements. By selecting the appropriate paint or coating and employing correct surface preparation techniques, one can effectively enhance the appearance of stainless steel pipes or provide them with added protection against corrosion.

Q:Can stainless steel pipes be insulated with polylactide-co-glycolide?: No, stainless steel pipes cannot be insulated with polylactide-co-glycolide (PLGA). PLGA is a biodegradable polymer commonly used in medical applications such as drug delivery systems and tissue engineering. It is not typically used for insulation purposes. Insulating pipes usually requires materials with good thermal properties and the ability to withstand high temperatures, as well as being moisture-resistant and durable. There are specific insulation materials designed for stainless steel pipes, such as foam insulation or fiberglass insulation, that would be more suitable for this purpose.

Q:Are stainless steel pipes fire-resistant?: Indeed, fire resistance is a characteristic possessed by stainless steel pipes. Renowned for its elevated melting point and exceptional fire resistance, stainless steel is a secure material choice for numerous purposes, including the construction of pipes. With its incapability to readily ignite or facilitate the expansion of flames, stainless steel ensures safety in various applications. Moreover, stainless steel pipes exhibit remarkable durability and strength even when exposed to high temperatures, assuring an additional layer of safety in environments susceptible to fires.

Q:What is the average cost of stainless steel pipes?: The average cost of stainless steel pipes can vary depending on various factors such as the size, grade, and thickness of the pipes, as well as the supplier and location. On average, stainless steel pipes can range from $5 to $50 per foot. However, it is important to note that prices can fluctuate due to market conditions and other factors. It is recommended to research and compare prices from different suppliers to get a more accurate estimate for the specific type and quantity of stainless steel pipes needed.

Q:Can stainless steel pipes be used for high-pressure applications?: Yes, stainless steel pipes can be used for high-pressure applications. Stainless steel is known for its excellent corrosion resistance, strength, and durability, making it a suitable material for handling high-pressure fluids or gases. Stainless steel pipes can withstand high pressures without experiencing deformation or leakage, ensuring the safe and efficient transfer of fluids in various industries such as oil and gas, chemical processing, and power generation. Additionally, stainless steel pipes can also withstand extreme temperatures, further enhancing their suitability for high-pressure applications.

Q:Can stainless steel pipes be used for underground sewer lines?: Yes, stainless steel pipes can be used for underground sewer lines. Stainless steel is a highly durable and corrosion-resistant material, making it an ideal choice for applications in harsh environments such as underground sewer systems. It offers excellent resistance to chemicals, moisture, and other corrosive substances commonly found in sewer lines. Additionally, stainless steel pipes have a long lifespan and require minimal maintenance, making them a cost-effective option in the long run. However, it is important to consider the specific requirements and regulations of the local sewer system before selecting stainless steel pipes for underground applications.

Q:What is the difference between seamless and precision stainless steel pipes?: Seamless and precision stainless steel pipes differ in their manufacturing process and performance characteristics. Seamless stainless steel pipes are produced through the extrusion or piercing process, where a solid cylindrical billet is heated, and then a piercing rod is used to create a hollow tube. This process ensures that there are no seams or welds in the pipe, resulting in a smooth and uniform surface. The absence of seams eliminates the risk of leakage or weak points, making seamless pipes highly reliable and suitable for various applications. On the other hand, precision stainless steel pipes are manufactured through the cold-drawn or cold-rolled process. In this method, a seamless pipe is further processed to achieve precise dimensions, tolerances, and surface finishes. The precision process enhances the mechanical properties of the pipe, such as its strength, hardness, and durability. Precision pipes are commonly used in industries where tight tolerances and superior surface quality are required, such as automotive, aerospace, and medical applications. In terms of performance, seamless stainless steel pipes offer excellent corrosion resistance, high temperature resistance, and good mechanical properties. They are often used in industries such as oil and gas, chemical processing, and power generation, where reliability and strength are crucial. Precision stainless steel pipes, on the other hand, are known for their dimensional accuracy, smooth surface finishes, and superior mechanical properties. They are commonly used in precision engineering, instrumentation, and high-performance applications. In summary, the main difference between seamless and precision stainless steel pipes lies in their manufacturing process and intended applications. Seamless pipes are produced without any seams, providing excellent reliability, while precision pipes are further processed to achieve precise dimensions and superior surface quality for specific industries and applications.

Q:Are stainless steel pipes suitable for oil and gas refineries?: Yes, stainless steel pipes are highly suitable for use in oil and gas refineries. Stainless steel possesses excellent corrosion resistance properties, making it ideal for handling various corrosive substances present in these industries, such as crude oil, natural gas, and petroleum products. Stainless steel pipes are also resistant to high temperatures and pressures, ensuring their durability and reliability in the harsh operating conditions of oil and gas refineries. Additionally, stainless steel pipes are easy to clean and maintain, reducing the risk of contamination and minimizing downtime for maintenance activities. Therefore, stainless steel pipes are widely used in oil and gas refineries due to their superior corrosion resistance, high strength, and long-term cost-effectiveness.

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