STAINLESS STEEL LARGE DIAMETER PIPE

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1. Guaranteed material from established steel factories
2. Accordance with International standard
3. Attractive price

PRODUCT NAME: STAINLESS STEEL LARGE DIAMETER PIPE

Name	STAINLESS STEEL LARGE DIAMETER PIPE
Standard	ASTM, GB, JIS, DIN, EN, AISI
Material Grade	TP304 TP304L TP316 TP316L TP347 TP347H TP321 TP321H TP310 TP310S
	TP410 TP410S TP403
	S31803/S32205 S32750 S32760
Outer Diameter	Welded Pipe: single slit(Φ8mm-Φ630mm); girth(Φ630mm-Φ3000mm),
Thickness	Welded Pipe: single slit(0.5mm-25mm); girth(3mm-30mm)
Length	Commonly 5.8 Meters or 6.0 Meters, or as customers' request
Tolerance	According to the Standard, +/-10% Commonly.
Surface	180#, 320#, 400# Satin / Hairline, Bright Anneal, Pickle,400#, 500#, 600# or 800# Mirror finish
Application	Petrochemical industry, chemical fertilizer industry, oil refining industry, oil and gas industry, light industry and food industry, pulp and paper industry, energy and environmental industries.
Test	Flaring test, Flattening test, Bending Test, Hydraulic Test, Eddy Current test

Q:Can stainless steel pipes be recycled?: Indeed, the recycling of stainless steel pipes is possible. This is because stainless steel, being a remarkably durable and corrosion-resistant material, possesses high recyclability. Once stainless steel pipes have served their purpose or become obsolete, they can be gathered, processed, and melted to produce fresh stainless steel items. By recycling stainless steel pipes, not only do we contribute to conserving natural resources, but we also diminish energy consumption and emissions linked to mining and the production of new materials.

Q:What is the difference between 304 and 316 stainless steel pipes?: 304 and 316 stainless steel pipes are both commonly used in various industries due to their excellent corrosion resistance and durability. While they may appear similar, there are notable differences between the two grades: 1. Composition: The primary difference lies in their composition. 304 stainless steel pipes contain 18-20% chromium and 8-10.5% nickel, while 316 stainless steel pipes contain 16-18% chromium, 10-14% nickel, and 2-3% molybdenum. This additional molybdenum in 316 stainless steel enhances its corrosion resistance, particularly against chlorides and other aggressive chemicals. 2. Corrosion resistance: 316 stainless steel pipes offer superior corrosion resistance than 304 stainless steel pipes, especially in environments with high chloride exposure such as coastal areas or industrial settings with corrosive chemicals. The molybdenum content in 316 stainless steel provides enhanced resistance against pitting and crevice corrosion. 3. Temperature resistance: Both grades of stainless steel pipes exhibit good resistance to high and low temperatures, but 316 stainless steel pipes perform better under extreme temperature conditions. They can withstand higher temperatures and have better strength retention compared to 304 stainless steel pipes. 4. Applications: Due to its superior corrosion resistance, 316 stainless steel pipes are commonly used in industries such as marine, chemical processing, pharmaceuticals, and food processing. On the other hand, 304 stainless steel pipes find applications in various industries including automotive, construction, and appliances. 5. Cost: 304 stainless steel pipes are generally more affordable compared to 316 stainless steel pipes due to the difference in their composition and availability. However, the specific application and required corrosion resistance should be considered when determining the cost-effectiveness of each grade. In summary, while both 304 and 316 stainless steel pipes offer excellent corrosion resistance and durability, the addition of molybdenum in 316 stainless steel provides superior resistance to chloride corrosion. The choice between the two grades depends on the specific application, budget, and the level of corrosion resistance required.

Q:304 stainless steel will rust it?: Why is stainless steel rust? When the stainless steel tube surface appear brown rust (point) when people are surprised: "the stainless steel does not rust, rust is stainless steel, steel may be a problem". In fact, this is a lack of understanding of stainless steel one-sided misconceptions. Stainless steel will rust under certain conditions.

Q:What is the maximum length of stainless steel pipes available?: The maximum length of stainless steel pipes available can vary depending on the manufacturer and supplier. Generally, stainless steel pipes can be produced in lengths up to 12 meters (40 feet). However, it is important to note that some manufacturers may offer longer lengths as per customer requirements. Therefore, it is recommended to check with the specific manufacturer or supplier to determine the maximum length of stainless steel pipes they offer.

Q:Are stainless steel pipes suitable for pharmaceutical clean rooms?: Yes, stainless steel pipes are suitable for pharmaceutical clean rooms. Stainless steel is a commonly used material in pharmaceutical clean rooms due to its high resistance to corrosion, durability, and easy cleanability. Stainless steel pipes are non-porous and smooth, which minimizes the risk of bacterial growth and contamination. They also have excellent chemical resistance, making them suitable for transporting a variety of pharmaceutical substances. Furthermore, stainless steel pipes can withstand high temperatures and pressures, ensuring their reliability in pharmaceutical manufacturing processes. Overall, stainless steel pipes are an ideal choice for pharmaceutical clean rooms as they meet the stringent cleanliness and hygiene requirements of the industry while providing long-lasting performance.

Q:What are the temperature limitations of stainless steel pipes?: The temperature limitations of stainless steel pipes rely on the particular grade of stainless steel utilized. In general, stainless steel pipes can endure high temperatures of up to 1200°F (649°C) without experiencing significant distortion or harm. However, the highest operating temperature can vary depending on the alloy composition and its mechanical properties. For example, austenitic stainless steels, like grades 304 and 316, are commonly applied in various industrial uses and can typically tolerate temperatures of up to 1500°F (816°C). These grades provide good resistance to corrosion and excellent toughness, making them suitable for high-temperature environments. Conversely, ferritic and martensitic stainless steels, such as grades 409 and 410, have lower resistance to high temperatures compared to austenitic stainless steels. They can generally withstand temperatures of up to 1200°F (649°C) before experiencing a significant decrease in strength. It is crucial to note that prolonged exposure to high temperatures can result in stress corrosion cracking and reduce the overall lifespan of stainless steel pipes. Therefore, it is important to consider the specific application and select an appropriate grade of stainless steel that can tolerate the desired temperature range. It is recommended to consult with a materials engineer or refer to industry standards and guidelines to ensure the safe and reliable operation of stainless steel pipes at elevated temperatures.

Q:Can stainless steel pipes spray black paint?: It needs to use the angle grinder or iron brush to paint out into hair and then paint surface before painting. Otherwise, spray paint can not be adhered to the surface of the stainless steel pipe.

Q:Can stainless steel pipes be used for chemical processing applications?: Yes, stainless steel pipes can be used for chemical processing applications. Stainless steel is highly resistant to corrosion and can withstand a wide range of chemicals and temperatures, making it an ideal choice for chemical processing industries. Its durability, strength, and ability to maintain product purity make stainless steel pipes suitable for various chemical processes such as manufacturing, transportation, and storage of chemicals.

Q:How are stainless steel pipes insulated?: Stainless steel pipes are typically insulated using a variety of methods to ensure thermal efficiency and prevent heat loss or condensation. One common method is to use insulation materials such as mineral wool or fiberglass, which are wrapped around the pipes and held in place with a metal jacket. This insulation material helps to reduce heat transfer and maintain the desired temperature of the fluid inside the pipe. Another method of insulating stainless steel pipes is by using foam insulation. Foam insulation is applied directly to the surface of the pipe and then covered with a protective layer, such as a PVC jacket. This type of insulation provides a seamless and moisture-resistant barrier, preventing any heat loss or condensation from occurring. In certain cases, stainless steel pipes may also be insulated using a process called "cladding". Cladding involves applying a layer of insulating material, such as aluminum or stainless steel, to the outside surface of the pipe. This method provides additional protection against external elements and helps to maintain the desired temperature within the pipe. Overall, the insulation of stainless steel pipes is crucial in various industries where maintaining temperature control is essential, such as in oil and gas, chemical processing, or HVAC systems. The specific method of insulation chosen depends on the application, desired temperature range, and environmental factors surrounding the pipe.

Q:Are stainless steel pipes resistant to sulfide stress corrosion cracking?: Yes, stainless steel pipes are generally resistant to sulfide stress corrosion cracking due to their high chromium content which forms a passive protective layer on the surface, preventing corrosion.

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