Sales of various types of stainless steel tube

Sales of various types of stainless steel tube

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Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 40 m.t.

Supply Capability:: 10000 m.t./month

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Product Description:

1、Structure of Stainless Steel Welded Pipe ASTM A358/A312/A778 Description：

Stainless steel welded pipe is actually a cover term, covering a wide range of alloy and making them suitable for different attributes that are used in a very wide and large numbers of different industries. Stainless steel pipe is resistant to erosion, highly flexible, powerful, easy to use, and can be done in distinct approaches, which means that more and more stainless steel was used as a construction material for large-scale, high impact buildings. It can be molded, rolling, and it can create amazing shapes to make it perfect, It is used as experimental buildings, The use of steel pipe welding of large stainless steel covers other examples.

2、Main Features of the Stainless Steel Welded Pipe ASTM A358/A312/A778：

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

•Reasonable price

3、Stainless Steel Welded Pipe ASTM A358/A312/A778 Images：

Stainless Steel Welded Pipe ASTM A358/A312/A778

4、Stainless Steel Welded Pipe ASTM A358/A312/A778 Specification：

Size：

Outside diameter		Outside	Thickness
Outside diameter		Outside	SCH 5S	SCH 10S	SCH 20S	SCH 40S
(A)	(B)	mm	mm	mm	mm	mm
350	14′	355.6	3.96	4.78	7.92	11.13
400	16′	406.4	4.19	4.78	7.92	12.7
450	18′	457.2	4.19	4.78	7.92	14.27
500	20′	508	4.78	5.54	9.53	15.09
550	22′	558.8	4.78	5.54	9.53	15.09
600	24′	609.6	5.54	6.35	9.53	17.48
650	26′	660.4	5.54	7.92	12.7	17.48
700	28′	711.2	5.54	7.92	12.7	17.48
750	30′	762	6.35	7.92	12.7	17.48
800	32′	812.8		7.9	12.7	17.48
850	34	863.6		7.92	12.7	17.48
900	36′	914.4		7.92	12.7	19.05
1000	40′	1016		9.53

Tolerances on dimensions table：

Standard	Outside(mm)		Thickness(mm)	Length(mm)
ASTM A312	≤48.26	-0.4	+No special provisions(Unspecified)-12.50%	Appoint LengthDefinite cut length+6.40
	＞48.26~114.30	0		0
	＞114.30~219.08	0.8
	＞219.08~457.20	1.6
	＞457~660	-4
	＞660~864	-5
	＞864~1219	-5.6
JIS G3459	＜30.00 ±0.30≥30.00 ±1.00%		＜2.00 ±0.20≥2.00 ±10%	Appoint LengthDefinite cut Length
GB/T 12771	＜13.00 ±0.2013.00~40.00 ±0.30≥40.00 ±0.80%		≤4.00 +0.50 -0.60＞4.00 ±10%	20
EN 10217-7	D1±1.50% with±0.75mm(min)D2±1.00% with±0.50mm(min)D3±0.75% with±0.30mm(min)		T1±15.00% with±0.60mm(min)T2±12.5% with±0.40mm(min)T3±10.00% with±0.20mm(min)	≤6000 +5.00 -06000~12000 +10.00 -0
	D4±0.5% with±0.10mm(min)		T4±7.50% with±0.15mm(min)
			T5±5.00% with±0.10mm(min)
			EN ISO 1127

5、FAQ of Stainless Steel Welded Pipe ASTM A358/A312/A778：

①How about price?
Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.

③Why should you chose us?
Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.

Any question, pls feel free to contact us !

Q: Seamed steel pipe seamless steel pipe, carbon steel pipe, galvanized pipe, four how to distinguish between: Seamless steel tube processing technology:1.1 、 hot rolled seamless tubes are usually produced on automatic rolling mills. After checking and cleaning the surface defects, the solid tube is cut into the required length, centring on the end face of the tube blank, then sent to the heating furnace and punched on the piercer. At the same time, the hole rotates and advances continuously. Under the action of the roller and the plug, the inner cavity of the pipe blank is gradually formed, and the cavity is called the capillary. Sent to the automatic tube rolling mill on rolling. Finally, the thickness of the whole machine is the same, and the diameter of the sizing machine is determined to meet the specifications. It is an advanced method to produce seamless steel tube by continuous rolling mill.1.2, in order to obtain smaller size and better quality of seamless tube, cold rolling, cold drawing method must be used or combined. Cold rolling is usually carried out on a two roller mill, where the steel tube is rolled in the annular groove made of variable cross section, round hole groove and stationary conical head. Cold drawing is usually performed in single chain or double chain cold drawn machines from 0.5 to 100T.1.3, the extrusion method will soon heat the tube blank in the closed extrusion cylinder, the perforation bar and extrusion rod movement, so that extrusion parts from the smaller hole extrusion. This method can produce smaller diameter steel pipe.Seamless steel pipe use: mainly used to transport fluid pipeline or structural parts.The main use of steel pipe joints (steel) two welded together, so the price is cheap, widely used.

Q: Is steel pipe made of profiles?: According to the shape of the cross-section, the steel is generally divided into profiles, plates, pipes and metal products in four categories.Therefore, the steel pipe belongs to the pipe, not the profile.

Q: How are steel pipes used in the manufacturing industry?: Steel pipes are commonly used in the manufacturing industry for various purposes such as transporting fluids and gases, providing structural support, and facilitating the flow of materials in industrial processes. They are essential for conveying liquids and gases over long distances or within manufacturing plants, ensuring efficient and reliable transportation. Additionally, steel pipes are utilized in the construction of infrastructure, machinery, and equipment, serving as a robust and durable component. Overall, steel pipes play a crucial role in the manufacturing industry due to their versatility, strength, and ability to withstand high pressure and temperature conditions.

Q: What is the maximum length of steel pipes available in the market?: The maximum length of steel pipes available in the market can vary depending on the specific supplier and industry requirements. However, standard lengths typically range from 20 to 40 feet.

Q: What is the difference between steel pipe and tubing?: Steel pipe and tubing are both used in various applications, but they have distinct differences. The primary difference between steel pipe and tubing lies in their shape and dimensions. Steel pipe is typically round in shape and has a hollow interior. It is manufactured in a variety of sizes and thicknesses to accommodate different pressure and temperature requirements. Steel pipe is commonly used in construction, plumbing, and oil and gas industries for conveying fluids or gases. On the other hand, steel tubing can come in various shapes, including round, square, and rectangular. Unlike steel pipe, tubing is often measured by its outside diameter and wall thickness. Steel tubing is commonly used in structural applications, such as building frames, automotive components, and machinery. Another difference between steel pipe and tubing is their manufacturing process. Steel pipe is typically made from solid steel billets that are heated and stretched to create a seamless or welded tube. Tubing, on the other hand, can be produced through various methods, including hot or cold rolling, welding, or extrusion. In terms of strength and durability, both steel pipe and tubing offer excellent qualities. However, the specific requirements of the application will determine which one is more suitable. Steel pipe is often chosen for high-pressure or high-temperature applications, while steel tubing is preferred for structural purposes or when a specific shape is required. In summary, the main difference between steel pipe and tubing lies in their shape, measurement methods, and manufacturing processes. While steel pipe is round and measured by its inside diameter, tubing can come in various shapes and is typically measured by its outside diameter. Both steel pipe and tubing are widely used in different industries, but the choice depends on the specific application and requirements.

Q: How are steel pipes used in the manufacturing of furniture and appliances?: Steel pipes are commonly used in the manufacturing of furniture and appliances due to their strength, durability, and versatility. One of the main uses of steel pipes in furniture manufacturing is for constructing the frames or structures of various pieces, such as chairs, tables, and beds. These pipes are often used as the primary support system, providing a sturdy and reliable foundation for the furniture. In appliances, steel pipes are utilized for various purposes. They are commonly employed in the manufacturing of kitchen appliances, such as stoves, ovens, and refrigerators, to create the internal framework and support the weight of the appliance. Steel pipes are also frequently used in the production of washing machines, dryers, and dishwashers to transport water and other fluids throughout the appliance. Furthermore, steel pipes are utilized in the manufacturing of outdoor furniture and equipment, where weather resistance and durability are crucial. These pipes are often coated with protective materials to prevent rust and corrosion, ensuring the longevity of the furniture and appliances. Overall, steel pipes play a vital role in the manufacturing of furniture and appliances, providing the necessary strength and support required for these items. Their versatility allows for various applications, making them an essential component in the production process of these goods.

Q: How are steel pipes protected during transportation?: Steel pipes are protected during transportation through a variety of measures to ensure their safety and integrity. One common method is the use of protective coatings on the exterior of the pipes. These coatings, such as epoxy or polyethylene, serve as a barrier against external factors like moisture, corrosion, and physical damage. Additionally, the pipes are often bundled together and secured with strapping or bands to prevent movement and potential collisions during transit. In some cases, pipes may also be placed within wooden crates or containers for added protection against impact and handling. Furthermore, careful loading and unloading procedures are followed to minimize any stress or strain on the pipes. By implementing these protective measures, steel pipes can safely reach their destination without compromising their quality or structural integrity.

Q: What are the factors affecting the pressure rating of steel pipes?: The factors affecting the pressure rating of steel pipes include the thickness and quality of the steel used, the diameter and length of the pipes, the temperature and fluid being transported, as well as the design and construction of the pipe system.

Q: What are the different types of steel pipes available in the market?: There are several different types of steel pipes available in the market, each designed for specific purposes and applications. Some of the most common types include: 1. Carbon Steel Pipes: These are the most widely used type of steel pipes, known for their strength and durability. They are primarily used for transporting fluids and gases in various industries such as oil and gas, construction, and plumbing. 2. Alloy Steel Pipes: These pipes are made by combining different metals, such as chromium, nickel, or molybdenum, with carbon steel. Alloy steel pipes offer enhanced strength, corrosion resistance, and heat resistance. They are often used in high-pressure applications, such as in power plants and chemical plants. 3. Stainless Steel Pipes: Stainless steel pipes are highly resistant to corrosion and oxidation, making them suitable for applications where hygiene and durability are crucial. They are commonly used in industries like food processing, pharmaceuticals, and water treatment. 4. Galvanized Steel Pipes: These pipes are coated with a layer of zinc to protect them from rust and corrosion. Galvanized steel pipes are commonly used in plumbing systems and outdoor structures, such as fences and handrails. 5. Seamless Steel Pipes: Seamless pipes are produced without any welding or joints, resulting in a smooth and continuous surface. They are known for their high strength and are often used in high-pressure applications. 6. Welded Steel Pipes: Welded pipes are made by rolling or bending a flat steel plate into a cylindrical shape and then welding the edges together. They are commonly used in industries such as construction, oil and gas, and automotive. 7. ERW (Electric Resistance Welded) Steel Pipes: ERW pipes are made by passing a high-frequency electrical current through the steel strip, causing it to heat and form a weld. They are widely used in various applications, including plumbing, water wells, and structural support. 8. LSAW (Longitudinal Submerged Arc Welded) Steel Pipes: LSAW pipes are made by bending and welding steel plates into a cylindrical shape. They are commonly used for transporting large volumes of oil, gas, or water over long distances. These are just a few examples of the diverse range of steel pipes available in the market. The choice of the right type of steel pipe depends on factors such as the intended application, environmental conditions, and budget considerations. It is important to consult with experts or professionals to determine the most suitable type of steel pipe for a specific project or application.

Q: How are steel pipes protected against rust?: Steel pipes are protected against rust through a variety of methods. One common method is by applying a protective coating to the pipes. This can be done by using a layer of paint, epoxy, or a corrosion-resistant coating such as zinc or galvanized coatings. These coatings act as a barrier between the steel and moisture, preventing the formation of rust. Another method of protecting steel pipes against rust is by using cathodic protection. This involves the use of sacrificial anodes, typically made of zinc or magnesium, which are attached to the steel pipes. These anodes corrode instead of the steel, sacrificing themselves and preventing rust formation on the pipes. In addition to coatings and cathodic protection, steel pipes can also be protected against rust by using corrosion inhibitors. Corrosion inhibitors are chemicals that are added to the water or fluid flowing through the pipes. These chemicals form a protective film on the surface of the steel, inhibiting the corrosion process and preventing rust from forming. Regular maintenance and inspections are also crucial in protecting steel pipes against rust. Any signs of damage or wear on the protective coatings should be addressed promptly to prevent rust from developing. Additionally, ensuring that the pipes are properly cleaned and dried before applying any protective coatings can also help in enhancing their effectiveness. Overall, a combination of protective coatings, cathodic protection, corrosion inhibitors, and regular maintenance is employed to ensure that steel pipes are effectively protected against rust and corrosion, prolonging their lifespan and maintaining their structural integrity.

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