Name: Carbon Steel Spiral Tube
SKU: 0

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Carbon Steel Spiral Tube

It is made by rolling low-carbon carbon structural steel or low-alloy structural steel strip according to a certain spiral angle(called forming angle) into a tube blank, and then welding the tube seam together.

Contact：Samantha Z

Phone：+8613583116312

Whatsapp/Wechat：+8613583116312

Email： google@s-materialgroup.com

Address: Yingsheng Steel Market, Fengnan District, Tangshan City, Hebei Province

Product Specifications

Product Details

Our company has been producing Spiral Steel Pipe for many years, and has cooperated with many countries in the world. The cooperation with customers praises our products for good quality and low price. Customers say that we are a trustworthy company. Next I will introduce Spiral Steel Pipe.It is made by rolling low-carbon carbon structural steel or low-alloy structural steel strip according to a certain spiral angle(called forming angle) into a tube blank, and then welding the tube seam together. It can be made with a narrower Strip steel produceslarge diameter steel pipes . Its specifications are expressed by outer diameter * wall thickness, and the welded pipe shall be ensured that the hydraulic test, the tensile strength of the weld and the cold bending performance must meet the requirements.

Diameter	219~3520mm
Thickness	5~30mm
Length	3m-12m or as per customers request
International standard	ISO9001-2008, GB/T 9711-1997, SY/T 5037-2000, API 5L
Certification	ISO9001, API 5L,CE
Material:	Q195,Q215,Q235,Q345(B,C,D,E)
Technique	SSAW
Packing	1.Big OD: in bulk vessel2.Small OD: packed by steel strips3.woven cloth with 7 slats4.according to the requirements of customers
Usage	Mechanical & manufacture, Steel structure,Shipbuilding, Bridging ,Automobile chassis
Remark	1.Payment terms : T/T, L/C2. Terms of trade : FOB, CFR(CNF), CIF ,DDP,EXW3 .Minimum order : 5 tons4 .Lead time: general 15~20days.
Material:	Commonly used spiral pipe materials in China are: Q235A, Q235B, Q345, L245, L290, X42, X52, X60, X70, X80, 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Ni9, 0Cr18Ni11Nb.
Features:	The production process of straight seam welded pipe is simple, the production efficiency is high, the cost is low, and the development is fast. The strength of the spiral welded pipe is generally higher than that of the straight seam welded pipe. However, compared with the same length of straight seam pipe, the length of the weld is increased by 30~100%, and the production speed is lower. Therefore, most of the welded pipes with smaller diameters use straight seam welding, and most of the welded pipes with large diameters use spiral welding.
Advantage：	(1) Steel pipes of different diameters can be produced using strip steel of the same width, and steel pipes of large diameter can be produced from narrow strip steel. (2) Under the same pressure conditions, the stress of the spiral welded seam is smaller than that of the straight seam, which is 75% to 90% of that of the straight seam welded pipe, so it can withstand greater pressure. Compared with the straight seam welded pipe of the same outer diameter, the wall thickness can be reduced by 10% to 25% under the same pressure. (3) The size is accurate, the general diameter tolerance does not exceed 0.12%, thedeflection is less than 1/2000, and the ovality is less than 1%. Generally, the sizing and straightening process can be omitted. (4) Continuous production is possible. In theory, long steel pipes can be produced, with small head and tail loss, and can increase the metal utilization rate by 6% to 8%. (5) The equipment is light in weight and low initial investment. It can be made into a trailer-type mobile unit to directly produce welded pipes at the construction site where the pipeline is laid.

Product Application:

Spiral pipes are mainly used for oil and natural gas transmission pipelines, and their specifications are

expressed by outer diameter * wall thickness. There are single-sided welding and double-sided welding

of the spiral pipe. The welded pipe should ensure that the hydraulic test, the tensile strength of the weld

and the cold bending performance meet the regulations.

FAQ:

1..Q: Can I get samples before placing an order?

A: Yes, of course. Usually our samples are free. We can produce according to your samples or technical

drawings.

2. Q: When is your delivery time?

A: Our delivery time is about one week, and the time depends on the number of customers.

3.Q: What are your payment terms?

A: Our usual payment methods are T/T, L/C, D/A, D/P, Western Union, MoneyGram, payment methods

can be negotiated and customized, collaborate with clients.

4. Q: What has your factory done in quality control?

A: We have obtained ISO, CE and other certifications. From material to product, we check every process

to maintain good quality.

5. Q: How do you make sure that what I get is good?

A: We accept all third-party inspections and support you to inspect your goods at any time. If the goods

are unqualified, you can reject this batch of goods.

6. Q: How do you keep our business in good long-term relationship?

A: We maintain good quality and competitive price to ensure the interests of our customers; we respect

every customer as our friend, we do business with them sincerely and make friends. no matter where they

come from.

7.Q: What is the minimum order quantity?

A: The minimum order quantity is 1 ton, which can be customized according to customer requirements.

8. Q: How can we trust your company?

A: We have been focusing on the steel business for many years, headquartered in Jinan City, Shandong

Province, you are welcome to visit our company and factory at any time. We also sincerely invite all

customers to conduct video conferences.

If you have any questions about us and our products, please leave a message.

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