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 are the different types of steel coatings used for pipes?: There are several types of steel coatings used for pipes, including epoxy, polyethylene, polypropylene, and fusion bonded epoxy (FBE) coatings. Each of these coatings provides different levels of corrosion resistance and protection, making them suitable for various applications and environmental conditions.

Q:How do you determine the maximum allowable stress for steel pipes?: To determine the maximum allowable stress for steel pipes, several factors need to be considered. These factors include the type of steel, the pipe's dimensions, and the operating conditions under which the pipe will be used. Firstly, the type of steel plays a crucial role in determining the maximum allowable stress. Different grades of steel have varying mechanical properties, including yield strength, tensile strength, and elongation. These properties define the material's ability to withstand stress before deformation or failure. Therefore, understanding the specific grade of steel used in the pipes is vital in determining the maximum allowable stress. Secondly, the dimensions of the pipe are essential. The outer diameter, wall thickness, and length all influence the pipe's strength and ability to handle stress. By calculating the cross-sectional area and moment of inertia, engineers can determine the pipe's resistance to bending and axial stresses. These calculations, along with the material properties, help establish the maximum allowable stress. Lastly, the operating conditions under which the pipe will be subjected to are critical. Factors such as temperature, pressure, and the presence of corrosive substances can significantly impact a steel pipe's maximum allowable stress. Elevated temperatures can affect the steel's mechanical properties, while high pressures can induce additional stress. The presence of corrosive substances can lead to material degradation and decrease the pipe's strength. Considering these operational factors is crucial in determining the maximum allowable stress. To sum up, determining the maximum allowable stress for steel pipes involves considering the specific grade of steel, the pipe's dimensions, and the operating conditions. By analyzing these factors, engineers can ensure that the steel pipe is designed and used within its safe stress limits.

Q:How to calculate the maximum bending stress of steel pipe? Is there a list of the maximum flexural normal stresses for steel pipes of different materials and diameters?: Strength design of steel pipe by this formula to calculate the maximum normal stress in the steel pipe should be less than the value (based on your choice of different grades of steel, steel strength design value is not the same, this value can also be found through the design manual of steel structure), meet the requirements, it can meet the requirements of steel pipe under the action of bending moment strength.

Q:What are the different methods of pipe joining for steel pipes?: Steel pipes can be joined using various methods, each with its own benefits and drawbacks. These methods include: 1. Butt Welding: Two steel pipes are welded together by beveling or facing their ends to form a V-groove. Molten metal is then used to fill the groove, creating a strong and long-lasting joint. 2. Socket Welding: A socket is welded onto the end of a steel pipe, and another pipe is inserted into the socket and welded in place. This method creates a leak-proof and corrosion-resistant joint. 3. Threaded Joint: Steel pipes can be joined by threading the ends and using a threaded coupling or union to connect them. This method is commonly used for smaller pipes and allows for easy disassembly and reassembly. 4. Flanged Joint: For larger pipes, a flange is attached to the end of each pipe, and the flanges are fastened together with gaskets using bolts. This method is commonly used in industries such as oil and gas, water treatment, and chemical processing. 5. Grooved Joint: Grooving machines are used to create a groove on the outside of the pipe. A coupling or fitting is then inserted into the groove and secured with bolts or clamps. This method is quick to install and allows for easy disassembly and reassembly. The choice of pipe joining method depends on factors such as pipe size, application, and desired strength and durability. Each method has its own advantages and disadvantages.

Q:What is the difference between seamless steel pipes and seamless alloy steel pipes?: The main difference between seamless steel pipes and seamless alloy steel pipes lies in their composition. Seamless steel pipes are made from carbon steel, while seamless alloy steel pipes are made from various alloying elements such as chromium, molybdenum, and nickel, among others. This difference in composition gives seamless alloy steel pipes enhanced properties such as increased strength, corrosion resistance, and temperature resistance, making them suitable for more demanding applications in industries like oil and gas, aerospace, and power generation.

Q:How to distinguish seamless pipe and welded pipe?: If it is seamless pipe, the port can be seen inside and outside the pipe there is no welding meat exists, and even if the welding pipe welding processing, the pipe weld is very easy to observe.

Q:Can steel pipes be used for solar energy systems?: Yes, steel pipes can be used for solar energy systems. Steel pipes are commonly used for the construction of solar water heating systems and solar thermal collectors. They are durable, resistant to corrosion, and can efficiently transport hot water or heat transfer fluids, making them suitable for various solar energy applications.

Q:What is the lifespan of steel pipes?: The lifespan of steel pipes can vary depending on various factors such as the quality of the steel used, the environment in which they are installed, and the maintenance and care they receive. However, typically, steel pipes can last for several decades or even up to a century if properly installed and maintained.

Q:How are steel pipes used in structural applications?: Steel pipes are commonly used in structural applications due to their strength, durability, and versatility. They can be used as load-bearing members in buildings, bridges, and other structures to provide support and stability. Additionally, steel pipes can be easily fabricated and joined together, allowing for various configurations and designs. Their resistance to corrosion and ability to withstand high temperatures also make them suitable for applications in harsh environments. Overall, steel pipes play a crucial role in enhancing the structural integrity and longevity of various construction projects.

Q:How does the price of steel pipes vary based on size and grade?: The price of steel pipes can vary based on their size and grade. Generally, larger pipes tend to have higher prices due to the increased amount of raw materials required for their production. Additionally, pipes with higher-grade steel, which offers better strength and durability, often come at a higher cost compared to lower-grade options. The size and grade of steel pipes are important factors to consider when determining their price in the market.

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