SPIRAL STEEL PIPE 32’‘ ASTM / ISO / API/ EN / DIN

Ref Price:

Loading Port:: China Main Port

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: -

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

You Might Also Like

Line Pipe

Seamless Carbon Steel Tubes

Hot-rolled seamless steel tubes for hydraulic pillar service

API 5L Seamless line Pipe J55

Seamless Steel Alloy Pipe with Factory Price

Square tube and rectangular tube for building structure

Seamless pipe API,GB,ASTM,ASME,DIN high quality

America Standard A53 Q215 150g Hot Dipped or Pre-galvanized Pipe

Packaging & Delivery

Packaging Detail:	standard export packing or as customer's requirement
Delivery Detail:	within 10 - 30 days

Specifications

Spiral Welded Steel Pipes and Tubes
1.Material:Q195-Q235
2.Length:1-12m
3.WT:1.0-14mm
4.O.D.:20-273mm

Spiral Welded Steel Pipes and Tubes

Product Description:

1.Material : Q235,Q345,L245,L290,L360,L415,L450,L485,GrB,X42,46,X52,X56,X60,X65,X70,X80,X100

2,Standard: SY/T5037-2000,GB/T9711-2011,API Spec 5L PSL1/PSL2,ASTM A252\A53,ISO3183,DIN17172,EN10217,JIS G3457,AWWA C200,ASTM A139,ASTM A671,ASTM A672

3.Wall thickness: 3.0mm-30mm

4.Outer diameter: φ168mm-3020mm

5,Length: 5m-12m or as your requirement

6,Corrosion protection standard: DIN30670,DIN30671, AWWAC210, AWWA C203, SY/T0413-2002,SY/T0414-2002

7,Application: Oil, gas, natural gas, water pipe, thermal electricity pipe, steel structure engineering, etc

Q195-q345 Material Steel Pipe's Materials

Elements Material	Chemical Compsition%					Mechanical Property
	C%	Mn%	S%	P%	Si%	Yield Point (Mpa)	Tensile Strength(Mpa)	Elongation (%)
Q195	0.06-0.12	0.25-0.50	<0.050	<0.045	<0.030	>195	315-430	32-33
Q215	0.09-0.15	0.25-0.55	<0.05	<0.045	<0.030	>215	335-450	26-31
Q235	0.12-0.20	0.30-0.70	<0.045	<0.045	<0.030	>235	375-500	24-26
Q345	<0.20	1.0-1.6	<0.040	<0.040	<0.55	>345	470-630	21-22

Q: How do steel pipes perform in high-temperature environments?: Steel pipes perform well in high-temperature environments due to their excellent heat resistance properties. They can withstand elevated temperatures without losing their structural integrity or strength. Additionally, steel pipes have low thermal expansion, which reduces the risk of deformation or cracking under extreme heat. This makes steel pipes a reliable choice for various applications in industries such as oil and gas, power generation, and chemical processing, where high temperatures are common.

Q: Can steel pipes be used for conveying abrasive materials?: Yes, steel pipes can be used for conveying abrasive materials. Steel pipes are known for their durability and resistance to wear, making them suitable for handling abrasive materials. Additionally, steel pipes can be lined with various protective coatings or linings to further enhance their resistance to abrasion and extend their lifespan.

Q: What is the difference between internal lining and external coating of steel pipes?: The distinction between the internal lining and external coating of steel pipes can be found in their respective functions and locations. Internal lining serves as a safeguard for the inner surface of steel pipes, shielding it from corrosion, abrasion, and other forms of harm. It creates a barrier between the transported fluids or substances and the steel pipe, preventing direct contact and potential deterioration. The materials utilized for internal lining, such as epoxy, polyethylene, or cement mortar, are dependent on specific requirements and the nature of the substances being transported. The internal lining ensures the longevity and integrity of the steel pipe by reducing the risk of internal corrosion and contamination. On the other hand, external coating is applied to the outer surface of steel pipes. Its primary purpose is to provide protection against external factors such as weathering, soil corrosion, and mechanical damage. Acting as a shield, the external coating safeguards the steel pipe from environmental conditions like moisture, UV radiation, chemicals, and physical impact. Common materials used for external coatings include fusion-bonded epoxy, polyethylene, polypropylene, or bitumen. The selection of coating depends on factors such as exposure conditions, temperature, and the type of soil or surroundings the steel pipe will encounter. In summary, internal lining safeguards the inner surface of steel pipes from corrosion and damage caused by transported substances, while external coating acts as a barrier against external elements and physical stresses. Both internal lining and external coating play crucial roles in ensuring the durability and reliability of steel pipes in various applications, such as oil and gas pipelines, water supply systems, or industrial processes.

Q: Can steel pipes be used for water supply lines?: Yes, steel pipes can be used for water supply lines. Steel pipes are commonly used in industrial and commercial applications for transporting water and other fluids. They offer a high level of durability and strength, making them suitable for high-pressure systems. Additionally, steel pipes have excellent resistance to corrosion, which is important for maintaining the quality and safety of the water supply. However, it is essential to ensure that the steel pipes used for water supply lines are properly coated or lined to prevent any potential contamination of the water.

Q: Can steel pipes be used for underground water supply networks?: Steel pipes are a viable option for underground water supply networks; they possess qualities such as durability, strength, and corrosion resistance. These pipes are commonly employed due to their ability to endure high pressure and bear the weight of the soil and other external forces. Furthermore, steel pipes come in a range of sizes and can be easily welded, making them suitable for diverse water supply system needs. Nevertheless, it is crucial to consider factors like soil quality, the presence of corrosive substances or chemicals, and the necessity of routine maintenance to guarantee the long-lasting effectiveness of steel pipes in underground water supply networks.

Q: What are the uses of seamless steel tubes?: Compared withsteel and roundsteelinsolid, flexural torsional strength in the same time, the weight is light, is a kind of economic section steel, widely used in the manufacture of structural parts and mechanical parts, such as the oil pipe, automobile transmission shaft, the bicycle frame and steel construction with scaffold with steel pipe manufacturing ring parts can be improved the utilization rate of materials, simplify the manufacturing process, material saving and working hours, such as rolling bearing ring, Jack and so on, has been widely used in steel pipe manufacturing.

Q: What are the dimensions of steel pipes?: Steel pipes can have varying dimensions depending on specific requirements and industry standards. However, they generally adhere to standardized measurements for their outer diameter (OD), wall thickness, and length. The OD of steel pipes can range from small sizes, such as ¼ inch (6.35 mm) or ⅛ inch (3.175 mm), to larger sizes like 48 inches (1219.2 mm) or more for specialty applications. The wall thickness of steel pipes can also vary significantly, ranging from thin pipes with a few millimeters of thickness to thick pipes with several inches of thickness. Regarding length, standard steel pipes are typically produced in lengths of 20 feet (6.1 meters) or 40 feet (12.2 meters). However, custom lengths can also be manufactured to meet specific project requirements. It is important to note that these dimensions are only general examples and may not encompass all potential variations in steel pipe sizes. Therefore, consulting relevant industry standards and specifications is always recommended to determine the precise dimensions necessary for a specific application.

Q: How are steel pipes used in the construction of skyscrapers?: Steel pipes are commonly used in the construction of skyscrapers for various purposes. They are primarily used as structural components, providing strength and stability to the building's framework. Steel pipes are used to create columns, beams, and trusses, which support the weight of the entire structure. Additionally, steel pipes are used for plumbing and HVAC systems, allowing for efficient distribution of water, air, and other utilities throughout the building. Overall, steel pipes play a crucial role in the construction of skyscrapers, ensuring their durability, safety, and functionality.

Q: What is the lifespan of galvanized steel pipes?: The lifespan of galvanized steel pipes can vary depending on various factors such as the environment, usage, and maintenance. However, on average, galvanized steel pipes can last between 40 to 70 years.

Q: What is the difference between steel pipe and polyethylene pipe?: The main difference between steel pipe and polyethylene pipe lies in their materials and properties. Steel pipe is made from a durable and strong material, which makes it suitable for high-pressure applications and environments where strength is crucial. On the other hand, polyethylene pipe is made from a plastic material that offers flexibility and resistance to corrosion, making it ideal for underground and aboveground installations. Additionally, steel pipe requires welding or threading for connections, while polyethylene pipe uses fusion or mechanical fittings. Ultimately, the choice between steel pipe and polyethylene pipe depends on the specific requirements of the project and the desired characteristics needed.

Send your message to us

*Email

*TEL

*Quantity

*Unit