Variety of stainless steel tube you can buy

Variety of stainless steel tube you can buy

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 35 m.t.

Supply Capability:: 9000 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′	508.0	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′	762.0	6.35	7.92	12.7	17.48
800	32′	812.8		7.90	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′	1016.0		9.53

Tolerances on dimensions table：

Standard	Outside(mm)		Thickness(mm)	Length(mm)
ASTM A312	≤48.26	+0.40 -0.80	+No special provisions(Unspecified)-12.50%	Appoint LengthDefinite cut length+6.40 -0
	＞48.26~114.30	+0.80 -0.80
	＞114.30~219.08	+1.60 -0.80
	＞219.08~457.20	+2.40 -0.80
	＞457~660	+3.20/-0.80
	＞660~864	+4.00/-0.80
	＞864~1219	+4.48/-0.80
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%	+20.00-0
EN 10217-7	D1±1.50% with±0.75mm(min)D2±1.00% with±0.50mm(min)D3±0.75% with±0.30mm(min) D4±0.5% with±0.10mm(min)		T1±15.00% with±0.60mm(min)T2±12.5% with±0.40mm(min)T3±10.00% with±0.20mm(min) T4±7.50% with±0.15mm(min) T5±5.00% with±0.10mm(min) EN ISO 1127	≤6000 +5.00 -06000~12000 +10.00 -0

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

①How is the quality of your products?
Our products are manufactured strictly according to national and internaional standard, and we take a test on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.

②How 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: What is the purpose of a steel pipe coating?: The objective of applying a coating to a steel pipe is to safeguard it against corrosion and other environmental elements that may cause deterioration. By coating the pipe with a layer of material, a barrier is created between the steel and its surroundings, thereby averting direct contact and reducing the risk of corrosion. This is particularly crucial for pipes utilized in industries such as oil and gas, water distribution, and construction, where they encounter harsh conditions like moisture, chemicals, and extreme temperatures. Moreover, the coating improves the pipe's durability and longevity, guaranteeing its ability to withstand the demands of its intended use. In certain cases, specific types of pipe coatings can also possess insulation properties, which are valuable in applications where precise temperature control is essential to prevent heat loss or transfer. All in all, the primary purpose of a steel pipe coating is to safeguard the pipe, prolong its lifespan, and ensure optimal performance across various industries and environments.

Q: Can steel pipes be used for chemical refineries?: Yes, steel pipes can be used for chemical refineries. Steel pipes are commonly used in chemical refineries due to their high strength, durability, and resistance to corrosion. The harsh environment of a chemical refinery, which involves exposure to corrosive chemicals and extreme temperatures, requires materials that can withstand these conditions. Steel pipes are able to handle these challenges and are often chosen for their ability to transport various fluids and gases safely and efficiently. Additionally, steel pipes can be welded, which allows for easy installation and maintenance in complex refinery systems. Overall, steel pipes are a suitable choice for chemical refineries due to their robustness, corrosion resistance, and compatibility with the demanding conditions of this industry.

Q: How do steel pipes compare to other materials like PVC or copper pipes?: Steel pipes have several advantages over other materials like PVC or copper pipes. Firstly, steel is a very strong and durable material, making steel pipes ideal for handling high-pressure applications. They can withstand extreme temperatures and are resistant to corrosion, making them suitable for both indoor and outdoor use. PVC pipes, on the other hand, are not as strong and are more prone to cracking and breaking under pressure or in extreme temperatures. Copper pipes, though durable, can be susceptible to corrosion and may require additional protective coatings. Secondly, steel pipes have a longer lifespan compared to PVC or copper pipes. They are known for their longevity and can last for several decades without needing replacement. PVC pipes, while relatively inexpensive, have a shorter lifespan and may need to be replaced more frequently. Copper pipes, though durable, can also corrode over time and may require maintenance or replacement. Another advantage of steel pipes is their ability to handle a wide range of fluids and substances. They are commonly used in industrial applications where there may be chemicals or corrosive materials present. PVC pipes, on the other hand, may not be suitable for handling certain chemicals or substances as they can react and cause damage to the pipe. Copper pipes, while generally safe for carrying water, may not be ideal for conveying certain chemicals or fluids. Additionally, steel pipes have excellent fire resistance properties. In the event of a fire, steel pipes can withstand high temperatures and maintain their structural integrity, ensuring the safety and protection of the surrounding area. PVC pipes, on the other hand, can melt or deform under high heat, potentially causing structural damage. Copper pipes, while not as prone to melting, can still be affected by extreme heat and may lose their strength. However, there are a few drawbacks to steel pipes as well. They tend to be heavier and more difficult to install compared to PVC or copper pipes. Additionally, steel pipes can be more expensive upfront, especially when compared to PVC pipes. However, considering their durability and longevity, steel pipes may offer better value in the long run. In conclusion, steel pipes offer several advantages over other materials like PVC or copper pipes. They are strong, durable, resistant to corrosion, and have a longer lifespan. They can handle high-pressure applications and a wide range of fluids, making them suitable for various industrial and commercial uses. While they may be more expensive and difficult to install, the benefits of steel pipes make them a reliable and cost-effective choice in many applications.

Q: How are steel pipes used in the construction of shipbuilding?: Steel pipes are used in shipbuilding for a variety of purposes, including the construction of the ship's framework, hull, and various onboard systems. These pipes provide structural strength and durability, allowing the ship to withstand the harsh conditions at sea. They are also used for piping systems, such as fuel, water, and ventilation, ensuring the efficient operation of the vessel.

Q: How do you solder purple copper plate and steel tube?: When the copper pipe and the size is not too large, such as 10 mm below the pipe welding, brazing is suggested, with brass solder, such as Wei Odin 201 solder, with supporting solder paste, with a neutral flame welding, the copper plate is heated to about 800 degrees, and then use the solder with 201 Wei Odin 201-F in solder welding, welding wire with melt molding.

Q: How are steel pipes resistant to corrosion?: Steel pipes are resistant to corrosion due to a combination of factors. Firstly, steel pipes are often coated with a protective layer, such as zinc or epoxy, which acts as a barrier between the steel and the surrounding environment. This coating prevents moisture and other corrosive substances from coming into contact with the steel, reducing the chances of corrosion. Additionally, the composition of steel itself plays a role in its corrosion resistance. Steel is primarily made up of iron, with small amounts of other elements added to enhance its strength and durability. These elements, such as chromium and nickel, create a protective oxide layer on the surface of the steel. This oxide layer acts as a natural barrier, preventing the underlying steel from being exposed to moisture and oxygen, which are key contributors to corrosion. Furthermore, steel pipes can be treated through a process called galvanization, where a layer of zinc is applied to the surface. This zinc coating provides an extra layer of protection against corrosion, as zinc is highly resistant to rust and oxidation. The zinc sacrificially corrodes instead of the steel, further extending the lifespan of the pipe. Overall, the combination of protective coatings, the composition of steel, and galvanization processes all contribute to the corrosion resistance of steel pipes. This makes them highly durable and suitable for various applications, including plumbing, construction, and transportation of fluids and gases.

Q: How long is the seamless tube?: Welded pipe is generally 6912 meters fixed length, seamless pipe on the market in general non fixed foot, but usually more than 6 meters

Q: Can steel pipes be used for transporting liquids and gases?: Yes, steel pipes can be used for transporting both liquids and gases. Steel pipes are known for their durability, strength, and resistance to corrosion, making them suitable for a wide range of applications, including the transportation of fluids and gases. They are commonly used in industries such as oil and gas, water supply, sewage systems, and chemical processing plants. Steel pipes provide a reliable and efficient means of conveying liquids and gases over long distances, ensuring the safe and efficient transportation of these substances.

Q: How are steel pipes used in the manufacturing of railways?: The manufacturing of railways involves the versatile use of steel pipes. In the context of railway construction, steel pipes serve as a fundamental component for the creation of rail tracks. These pipes are joined together through welding to form robust and lengthy tracks capable of withstanding the weight and pressure exerted by passing trains. Moreover, steel pipes find application in the manufacturing of railway bridges and tunnels. These structures necessitate the utilization of strong and resilient materials in order to guarantee the safety and stability of the railway system. Steel pipes are frequently employed in the construction of supporting structures and piers that uphold the bridges. Additionally, they provide structural support and stability for tunnels. Furthermore, steel pipes contribute to the production of various railway components and equipment. For instance, they are used in the fabrication of railway signaling systems responsible for managing train movement and ensuring safety. These pipes are commonly utilized to encase and safeguard the electrical wiring and other components of the signaling systems. In addition, steel pipes play a significant role in the manufacturing of railway carriages and locomotives. They serve as the framework and structure of the train, imparting strength and stability. Furthermore, steel pipes are utilized for diverse purposes such as creating air conditioning systems, brake systems, and fuel delivery systems within the train. Overall, steel pipes occupy a pivotal position in the manufacturing of railways. They are indispensable for the construction of rail tracks, bridges, tunnels, and a variety of railway components and equipment. The strength and durability of steel make it an ideal material for ensuring the safety and efficiency of railway systems.

Q: DN150 welded steel tubes one meter multiple: The theoretical weight table of welded steel pipe (Kg) can be checked, and the outer diameter and wall thickness can be measured according to the formula.For example: DN150 welded steel pipe, diameter 165mm, thickness 4.5mm, weight kg per meter.Welded steel pipe theoretical weight (Kg/m) = (165-4.5) * 4.5 * 0.02466=17.81Kg

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