Stainless welded square steel pipe 9.5x15mm~63x133mm
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 5000 m.t./month
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Name: Stainless welded square steel tube and pipe
1) Material: Stainless steel
2)Standards:300series
3) Shape:square pipe
4) Type: stainless steel square pipe
5) Surface: Pickling, Sand, Polished
6) Sizes range: 9.5x15mm~63x133mm
7) Wall thickness:0.5m~3.0mm
8)Packing:Export sea worthy package
9) Payment:T/T 30%payment in advance, 70% T/T before shipment or by L/C
10) Delivery:Within30days after receiving 30%T/T of deposit or L/C
Name | Stainless welded square steel tube and pipe |
Standard: | 300series |
Type | stainless steel square pipe |
Material | Stainless steel |
Shape | square pipe |
Sizes range | 9.5x15mm~63x133mm |
Wall thickness | 0.5m~3.0mm |
surface finish | Pickling, Sand, Polished |
Packing: | Export sea worthy package |
Delivery: | Within 30days after receiving 30%T/T of deposit or L/C |
MOQ: | 1Metric Ton/Metric Tons |
Price terms: | FOB, CFR, CIF |
Payment terms: | T/T, L/C |
Application | Stainless Steel square Pipe applies to Petroleum & chemical industries, construction field, machinery and hardware fields, food processing and medical industry, high or low temperature resistant, electricity industries, etc. |
Quality control: | a)Mill Test Certificate is supplied with shipment. b)Third party inspection is highly welcomed. |
Advantage | a) Strong processing and warehousing service b) Stock available c) Strict quality control |
- Q: What is the difference between seamless and precision stainless steel pipes?
- Seamless and precision stainless steel pipes vary in how they are made and their performance characteristics. Seamless stainless steel pipes are created through extrusion or piercing, where a solid cylindrical billet is heated and a piercing rod forms a hollow tube. This process ensures a smooth and even surface without any seams or welds. The absence of seams eliminates the risk of leakage or weak points, making seamless pipes highly reliable and suitable for a range of uses. On the other hand, precision stainless steel pipes are manufactured through cold-drawn or cold-rolled methods. This involves further processing a seamless pipe to achieve precise dimensions, tolerances, and surface finishes. The precision process enhances the mechanical properties of the pipe, such as strength, hardness, and durability. Precision pipes are commonly used in industries that require tight tolerances and superior surface quality, like automotive, aerospace, and medical applications. In terms of performance, seamless stainless steel pipes offer excellent corrosion and high temperature resistance, as well as good mechanical properties. They are often used in industries such as oil and gas, chemical processing, and power generation, where reliability and strength are vital. 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. Precision pipes undergo further processing to achieve precise dimensions and superior surface quality for specific industries and applications.
- Q: Are stainless steel pipes suitable for cryogenic applications?
- Yes, stainless steel pipes are suitable for cryogenic applications. Stainless steel has excellent mechanical properties, including high strength and good corrosion resistance, which make it ideal for handling extremely low temperatures. Additionally, stainless steel has low thermal conductivity, which helps to minimize heat transfer and maintain the desired cryogenic temperatures.
- Q: Are stainless steel pipes suitable for pulp and paper mills?
- Yes, stainless steel pipes are suitable for pulp and paper mills. They offer excellent corrosion resistance, durability, and high temperature resistance, making them ideal for handling various chemicals and fluids used in the pulp and paper industry. Additionally, stainless steel pipes are easy to clean, reducing the risk of contamination and maintaining high hygienic standards required in these mills.
- Q: Can stainless steel pipes be used for oil and gas applications?
- Yes, stainless steel pipes can be used for oil and gas applications. Stainless steel is highly resistant to corrosion and can withstand high temperatures and pressures, making it an ideal material for transporting and storing oil and gas. Additionally, stainless steel pipes have excellent mechanical properties, such as high tensile strength and toughness, which ensure their durability and reliability in demanding oil and gas environments. Stainless steel pipes are commonly used in various applications within the oil and gas industry, including drilling, production, refining, and transportation of oil and gas products.
- Q: What is the difference between Type 304 and Type 316 stainless steel pipes?
- Type 304 and Type 316 stainless steel pipes are both widely used in various industries, but they differ in terms of their composition and physical properties. Type 304 stainless steel is a versatile and commonly used grade of stainless steel pipe. It contains a higher percentage of chromium and nickel compared to Type 316, which gives it excellent corrosion resistance and durability. Type 304 is ideal for applications where exposure to corrosive substances is minimal, such as in indoor environments or for general-purpose use. On the other hand, Type 316 stainless steel is known for its superior corrosion resistance, especially in more aggressive environments. It contains a higher percentage of molybdenum, which enhances its resistance to pitting and crevice corrosion caused by chloride solutions, such as seawater or saltwater environments. This makes Type 316 stainless steel pipes suitable for marine applications, chemical processing plants, and applications where the piping will be exposed to harsh chemicals or high temperatures. In terms of physical properties, Type 316 stainless steel pipes have higher tensile strength and yield strength compared to Type 304. This means that Type 316 pipes can withstand higher pressures and have better resistance to deformation or cracking under stress. In summary, the main difference between Type 304 and Type 316 stainless steel pipes lies in their corrosion resistance and physical properties. Type 304 is suitable for general-purpose use and indoor environments, while Type 316 is preferred for applications where superior corrosion resistance and strength are required, especially in aggressive or high-temperature environments.
- Q: What is passivation in stainless steel pipes?
- Passivation is a process used to enhance the corrosion resistance of stainless steel pipes. Stainless steel is known for its excellent resistance to corrosion, but it can still be susceptible to localized corrosion under certain conditions. Passivation helps to prevent this by removing any free iron or iron oxide particles from the surface of the stainless steel pipes. During the passivation process, the stainless steel pipes are cleaned thoroughly to remove any contaminants or impurities that may be present on the surface. This can be done through various methods such as chemical cleaning or mechanical cleaning techniques. Once the pipes are cleaned, they are treated with a passivating agent, typically a nitric acid solution. The passivating agent works by dissolving any iron or iron oxide particles on the surface of the stainless steel pipes. This helps to create a protective oxide layer on the surface, which acts as a barrier against corrosion. This oxide layer is typically very thin, transparent, and self-repairing, providing long-term protection against corrosion. Passivation is a crucial step in the manufacturing process of stainless steel pipes, as it ensures the pipes have the highest level of corrosion resistance. It is particularly important in industries where the pipes are exposed to harsh environments or corrosive substances, such as chemical processing plants, oil and gas refineries, or marine applications. Overall, passivation plays a vital role in maintaining the longevity and performance of stainless steel pipes by enhancing their corrosion resistance and protecting them from localized corrosion.
- Q: What is the difference between seamless and hot-rolled stainless steel pipes?
- Seamless and hot-rolled stainless steel pipes are both commonly used in various industries for their durability and corrosion resistance. However, there are some key differences between the two. 1. Manufacturing process: Seamless stainless steel pipes are manufactured through a process called piercing, where a solid billet is heated and pierced to create a hollow tube. On the other hand, hot-rolled stainless steel pipes are made by heating a solid billet or slab and rolling it into a desired shape. 2. Appearance: Seamless stainless steel pipes have a smooth and uniform appearance due to their manufacturing process. On the contrary, hot-rolled stainless steel pipes have a rough and scaly surface due to the rolling process. 3. Strength: Seamless stainless steel pipes generally have higher strength compared to hot-rolled stainless steel pipes. This is because the seamless pipes undergo additional processes like cold drawing or cold rolling, which enhance their strength. 4. Wall thickness: Seamless stainless steel pipes can have a more precise wall thickness due to their manufacturing process. Hot-rolled stainless steel pipes, on the other hand, may have variations in wall thickness due to the rolling process. 5. Cost: Hot-rolled stainless steel pipes are generally more cost-effective compared to seamless pipes. This is because the manufacturing process of hot-rolled pipes is simpler and requires less time and energy. 6. Availability: Hot-rolled stainless steel pipes are more readily available in the market compared to seamless pipes. This is because the manufacturing process of hot-rolled pipes is faster, allowing for quicker production and availability. In conclusion, while both seamless and hot-rolled stainless steel pipes offer excellent corrosion resistance and durability, they differ in terms of manufacturing process, appearance, strength, wall thickness, cost, and availability. The choice between the two will depend on the specific requirements and preferences of the application or industry in which they will be used.
- Q: Can stainless steel pipes be coated or painted?
- Yes, stainless steel pipes can be coated or painted. Coating or painting stainless steel pipes can provide additional protection against corrosion, enhance aesthetics, or fulfill specific functional requirements. However, it is important to use coatings or paints specifically designed for stainless steel to ensure optimal adhesion and durability.
- Q: Are stainless steel pipes suitable for food processing applications?
- Yes, stainless steel pipes are highly suitable for food processing applications. This is because stainless steel is resistant to corrosion, easy to clean and sanitize, and does not react with food or alter its taste. Additionally, stainless steel pipes comply with hygiene and safety standards, making them ideal for the food industry.
- 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 chemical composition and the presence of certain elements. 304J1 stainless steel is a variant of the popular 304 stainless steel grade. It has a lower carbon content compared to regular 304, which makes it more resistant to intergranular corrosion. This is achieved by adding a small amount of titanium to the composition. 304J1 stainless steel pipes are suitable for general-purpose applications, such as plumbing, food processing, and architectural uses. On the other hand, 316J1 stainless steel is a variant of the 316 stainless steel grade. It is similar to regular 316 stainless steel in terms of corrosion resistance but has a lower carbon content, similar to 304J1. Additionally, 316J1 contains a small amount of molybdenum, which enhances its resistance to pitting and crevice corrosion in chloride environments. As a result, 316J1 stainless steel pipes are commonly used in marine environments, chemical processing plants, and other applications where exposure to corrosive substances is expected. In summary, the primary difference between 304J1 and 316J1 stainless steel pipes is in their chemical composition, with the latter offering superior resistance to corrosion in more aggressive environments. The choice between the two would depend on the specific application and the level of corrosion resistance required.
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Stainless welded square steel pipe 9.5x15mm~63x133mm
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 5000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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