Various types of stainless steel pipe waiting for you

Various types of stainless steel pipe waiting for you

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 30 m.t.

Supply Capability:: 8000 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 are the different types of stainless steel pipe unions?: There are various types of stainless steel pipe unions, including threaded unions, socket weld unions, and butt weld unions. Threaded unions have female threads on both ends, allowing them to be easily screwed onto male threaded pipes. Socket weld unions have one socket end and one threaded end, allowing for easy welding onto pipes. Butt weld unions have two plain ends that are welded directly to pipes using the butt welding technique.

Q:Can stainless steel pipes be used in the mining industry?: Indeed, the mining industry can make use of stainless steel pipes. Stainless steel, as a material, is highly durable and resistant to corrosion, which makes it perfect for the harsh and demanding conditions often encountered in mining operations. The mining industry involves the extraction and processing of various minerals and ores, which frequently necessitate the use of corrosive chemicals and high-pressure fluids. Stainless steel pipes possess the ability to withstand these challenging conditions and provide reliable and long-lasting performance. One of the primary advantages of stainless steel pipes in the mining industry lies in their corrosion resistance. The mining environment typically contains corrosive substances like saltwater, acids, and various chemicals employed in mineral extraction and processing. Stainless steel pipes can resist these corrosive elements, ensuring that they do not deteriorate or weaken over time. Consequently, they are ideal for transporting fluids and gases in mining operations. Aside from their resistance to corrosion, stainless steel pipes also exhibit exceptional strength and durability. They can endure high pressures and temperatures, making them suitable for handling the demanding conditions of the mining industry. Additionally, stainless steel pipes are known for their low maintenance requirements, which is particularly crucial in remote mining areas where accessibility and maintenance can be challenging. Moreover, stainless steel pipes are versatile and can be utilized in various applications within the mining industry. They can be employed for transporting water, slurry, and other fluids, as well as for ventilation systems, structural components, and even lining mine shafts. Their versatility and durability make them a cost-effective choice for mining companies, as they can be used in a wide range of applications and have a long service life. In summary, stainless steel pipes are a dependable and long-lasting option for the mining industry. Their resistance to corrosion, high strength, and versatility make them well-suited for the demanding conditions encountered in mining operations. By utilizing stainless steel pipes, mining companies can ensure the efficient and safe transportation of fluids and gases, thus contributing to the success and productivity of their operations.

Q:How do you choose the right stainless steel grade for a specific application?: When choosing the right stainless steel grade for a specific application, several factors need to be considered. These include the desired corrosion resistance, temperature resistance, mechanical properties, and cost-effectiveness required for the application. It is crucial to thoroughly understand the application's environmental conditions, such as exposure to chemicals, moisture, or high temperatures, as this will determine the level of corrosion resistance needed. Additionally, considering the required strength, toughness, and hardness of the stainless steel for the specific application is important. Balancing these factors with the cost-effectiveness of the grade will help in choosing the most suitable stainless steel grade for the application. Consulting with metallurgical experts or referring to industry standards and guidelines can provide further guidance in making an informed decision.

Q:Can stainless steel pipes be used for natural gas systems?: Yes, stainless steel pipes can be used for natural gas systems. Stainless steel is highly resistant to corrosion and can withstand high pressure and temperature, making it a suitable material for transporting natural gas. The smooth inner surface of stainless steel pipes also allows for efficient gas flow, minimizing the risk of blockages or obstructions. However, it is important to ensure that the stainless steel pipes used meet the specific standards and codes required for natural gas systems to ensure safety and compliance.

Q:What is the difference between seamless and seamless stainless steel pipes?: The difference between seamless and seamless stainless steel pipes lies in the manufacturing process and the composition of the material used. Seamless pipes are manufactured by extruding a solid billet through a piercing rod to create a hollow tube. This process eliminates the need for any welds or joints, resulting in a continuous and smooth pipe with no weak points. Seamless pipes are known for their strength, durability, and ability to withstand high-pressure and high-temperature applications. They are commonly used in industries such as oil and gas, petrochemical, and power generation. On the other hand, seamless stainless steel pipes are a specific type of seamless pipe that is made from stainless steel. Stainless steel is an alloy that contains a high percentage of chromium, which provides excellent corrosion resistance and high-temperature strength. This makes seamless stainless steel pipes suitable for applications where resistance to corrosion, oxidation, and heat is crucial, such as in the food and beverage, pharmaceutical, and chemical industries. In summary, while both seamless and seamless stainless steel pipes are manufactured through a seamless process, the difference lies in the material used. Seamless stainless steel pipes offer the added benefits of corrosion resistance and high-temperature strength due to their stainless steel composition.

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 pressure rating for stainless steel pipes?: The maximum pressure rating for stainless steel pipes can vary depending on several factors such as the grade of stainless steel, the diameter and wall thickness of the pipe, and the specific application or industry requirements. However, stainless steel pipes are known for their high strength and corrosion resistance, making them suitable for high-pressure applications. In general, stainless steel pipes can have maximum pressure ratings ranging from a few hundred psi (pounds per square inch) to several thousand psi. It is crucial to consult the appropriate industry standards, codes, and specifications or consult with a qualified engineer or manufacturer to determine the specific maximum pressure rating for a particular stainless steel pipe in a given application.

Q:How do stainless steel pipes compare to other materials like copper or PVC?: Stainless steel pipes have several advantages over other materials such as copper or PVC. Firstly, stainless steel is highly resistant to corrosion and rust, making it suitable for various applications, especially in environments with high moisture or chemical exposure. Copper pipes, on the other hand, are susceptible to corrosion over time and may require additional protective coatings or treatments. Secondly, stainless steel pipes have excellent strength and durability, allowing them to withstand high pressure and temperature conditions. PVC pipes, although lightweight and easy to install, are not as strong as stainless steel and may crack or deform under extreme conditions. Another advantage of stainless steel pipes is their ability to handle a wide range of fluids, including corrosive substances and high-temperature liquids. PVC pipes, in contrast, are limited in their compatibility and may not be suitable for certain applications that require resistance to chemicals or extreme temperatures. Furthermore, stainless steel pipes offer superior fire resistance compared to PVC pipes, which are highly flammable and release toxic fumes when exposed to fire. This makes stainless steel pipes a safer option, especially in buildings or industries where fire safety is crucial. Lastly, stainless steel pipes have a longer lifespan compared to copper or PVC pipes. While copper pipes may develop leaks or pinholes over time, and PVC pipes may become brittle and crack, stainless steel pipes are designed to last for decades with minimal maintenance. In summary, stainless steel pipes are a reliable and durable choice for various applications due to their corrosion resistance, strength, versatility, fire resistance, and long lifespan. They outperform copper and PVC pipes in terms of durability, compatibility, safety, and overall performance, making them an excellent choice for a wide range of industries and applications.

Q:Can stainless steel pipes be used for sewage treatment plants?: Yes, stainless steel pipes can be used for sewage treatment plants. Stainless steel offers exceptional resistance to corrosion, making it an ideal choice for handling wastewater and other corrosive substances commonly found in sewage treatment plants. Additionally, stainless steel pipes are durable, hygienic, and easy to maintain, making them suitable for the demanding conditions of sewage treatment facilities.

Q:What are the different types of stainless steel pipe couplings?: There are several different types of stainless steel pipe couplings available in the market, each offering unique features and functionalities. Some of the common types include: 1. Compression couplings: These couplings are designed to provide a tight and secure connection by compressing the pipe ends together using a compression nut. They are easy to install and suitable for both rigid and flexible pipe systems. 2. Flanged couplings: These couplings have flanges on both ends, which can be bolted together to create a strong and leak-proof connection. Flanged couplings are commonly used in industrial applications where high pressures and temperatures are involved. 3. Grooved couplings: These couplings consist of two segments that grip the pipe ends when tightened, creating a reliable and flexible connection. They are often used in fire protection systems and HVAC applications due to their ease of installation and ability to withstand vibration and movement. 4. Threaded couplings: As the name suggests, these couplings have threads on the inside, allowing them to be screwed onto the pipe ends. They are commonly used in low-pressure applications and are easy to assemble and disassemble. 5. Quick connect couplings: These couplings feature a quick-connect mechanism that allows for easy and rapid installation without the need for tools or additional components. They are often used in plumbing and irrigation systems. 6. Welded couplings: These couplings require the pipe ends to be welded together to create a permanent and robust connection. They are commonly used in high-pressure and high-temperature applications where a strong joint is essential. It is important to select the appropriate type of stainless steel pipe coupling based on the specific requirements of the application, such as the operating conditions, pipe material, and system design. Consulting with a professional or referring to industry standards can help ensure the right choice is made.

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