All kinds of stainless steel tube you can choose

All kinds of stainless steel tube you can choose

Ref Price:

Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 8000 m.t./month

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

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: How are steel pipes inspected for compliance with industry standards?: Steel pipes are inspected for compliance with industry standards through various methods such as visual inspection, dimensional checks, non-destructive testing, and mechanical testing. Visual inspection involves examining the pipes for any visible defects or imperfections. Dimensional checks ensure that the pipes meet the required measurements and tolerances. Non-destructive testing techniques like ultrasonic testing, magnetic particle inspection, or radiography are used to detect any internal or surface defects. Mechanical testing involves conducting tests to verify the mechanical properties such as tensile strength, yield strength, and hardness of the pipes. These inspections ensure that the steel pipes meet the required industry standards and are safe for use.

Q: What are the common methods of joining steel pipes?: The common methods of joining steel pipes include welding, threading, and using mechanical couplings. Welding involves fusing the pipes together using heat, while threading involves screwing the pipes together using threads on the ends. Mechanical couplings are devices that connect the pipes together using compression or other means.

Q: Are steel pipes fire-resistant?: Yes, steel pipes are fire-resistant. Steel is a non-combustible material, which means it does not burn or contribute to the spread of fire. Steel pipes have high melting points and can withstand extreme temperatures, making them highly resistant to fire. They are commonly used in various applications where fire protection is crucial, such as fire sprinkler systems, fire hydrant systems, and fire-resistant building structures. Additionally, steel pipes are also known for their durability and strength, which further enhances their fire resistance capabilities.

Q: How do you calculate the pipe volume flow rate for steel pipes?: To calculate the volume flow rate of steel pipes, you need to consider the pipe's diameter and fluid velocity. The formula used for this calculation is Q = A * V, where Q represents the volume flow rate, A is the cross-sectional area of the pipe, and V is the fluid velocity. To start, you need to determine the cross-sectional area of the pipe. For a circular pipe, you can use the formula A = π * r², where A is the area and r is the radius of the pipe. If the diameter of the pipe is given, you can simply divide it by 2 to obtain the radius. Next, you need to determine the fluid velocity. This can be done by measuring the velocity directly using a flowmeter or by calculating it based on the fluid's properties and the pressure drop across the pipe using the Bernoulli equation or other appropriate equations. Once you have both the cross-sectional area and fluid velocity, you can multiply them together to find the volume flow rate. Make sure the units are consistent throughout the calculation. For example, if the area is in square meters and the velocity is in meters per second, the resulting volume flow rate will be in cubic meters per second. It is worth noting that the calculation assumes the fluid is incompressible and flows steadily through the pipe. If the fluid properties or flow conditions change, additional considerations may be required to accurately calculate the volume flow rate.

Q: What are the common problems or issues faced with steel pipes?: Common problems or issues faced with steel pipes include corrosion, leakage, cracking, and scaling. Corrosion can occur due to exposure to moisture, chemicals, or environmental factors, leading to reduced structural integrity and potential leaks. Leakage can result from faulty welds, damaged seals, or pipe degradation. Cracking can occur due to excessive stress, temperature fluctuations, or manufacturing defects, compromising the pipe's strength. Scaling or buildup of mineral deposits can also restrict flow and affect performance. Regular inspection, maintenance, and proper coating or lining can help mitigate these issues.

Q: Can steel pipes be used for irrigation pivot systems?: Indeed, irrigation pivot systems can indeed utilize steel pipes. Steel pipes are commonly employed in irrigation systems owing to their robustness, longevity, and resistance to corrosion. They possess the ability to endure the water flow's pressure and stress within pivot systems, exhibiting a decreased likelihood of leaks or cracks when contrasted with alternative materials. Moreover, steel pipes offer convenience as they can be effortlessly welded or threaded together, facilitating the selection of various lengths and configurations for irrigation systems. Nonetheless, it is crucial to take into account the precise requirements of the irrigation pivot system and seek guidance from professionals to ascertain the suitability of the chosen steel pipes for the specific application.

Q: How does galvanization protect steel pipes from corrosion?: Galvanization protects steel pipes from corrosion by applying a protective zinc coating on the surface of the pipes. This zinc coating acts as a sacrificial anode, meaning it corrodes first before the steel, effectively preventing rust and corrosion from reaching the underlying steel.

Q: Can steel pipes be used for high-temperature applications?: Yes, steel pipes can be used for high-temperature applications. Steel is known for its excellent strength and durability, making it suitable for handling high temperatures. However, the specific grade of steel used and the operating conditions must be considered to ensure it can withstand the desired temperature range without compromising its structural integrity.

Q: Can steel pipes be bent or shaped?: Yes, steel pipes can be bent or shaped through various methods such as hot bending, cold bending, or using specialized machinery like pipe benders.

Q: What are the advantages of using steel pipes over other materials like PVC or copper?: There are several advantages of using steel pipes over other materials like PVC or copper. Firstly, steel pipes are extremely durable and can withstand high pressure and extreme temperatures, making them ideal for various applications including industrial and underground use. Secondly, steel pipes have a longer lifespan compared to PVC or copper, reducing the need for frequent replacements and maintenance. Additionally, steel pipes are more resistant to corrosion and are not prone to cracking or leaking, ensuring a reliable and leak-free plumbing system. Lastly, steel pipes have a higher fire resistance rating compared to PVC, making them a safer option for certain environments.

Send your message to us

*Email

*TEL

*Quantity

*Unit