API SSAW LSAW CARBON STEEL PIPE LINE OIL GAS PIPE 18’‘

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 5 m.t.

Supply Capability:: 3000 m.t./month

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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< span="">	<0.045< span="">	<0.030< span="">	>195	315-430	32-33
Q215	0.09-0.15	0.25-0.55	<0.05< span="">	<0.045< span="">	<0.030< span="">	>215	335-450	26-31
Q235	0.12-0.20	0.30-0.70	<0.045< span="">	<0.045< span="">	<0.030< span="">	>235	375-500	24-26
Q345	<0.20< span="">	1.0-1.6	<0.040< span="">	<0.040< span="">	<0.55< span="">	>345	470-630	21-22

Packaging & Delivery

Packaging Detail:	Normal exporting packing,in container or bulk vessel or as per clients' request
Delivery Detail:	2 months after confimed contract

Specifications

Large Diameter API 5L X70 PSL2 LSAW Steel Pipe
Grade: X42, X46, X50, X52, X60, B, C
OD: 1.5"-28"
WT: SCH10-SCH160

Large Diameter API 5L X70 PSL2 LSAW Steel Pipe

Specifications:

u Standard: API 5L

u Grade: B, C, X42, X46, X50, X52, X56, X60, X65, X70, X80

u OD: 1.5"-28"

u WT: SCH10-SCH160

u Length: 5-12m

u Ends Finish: plain end, bevel end, grooved end

u Surface Treatment: bare, black varnished, oiled finish, red color, anti-corrosion, 3PE, FBE or epoxy coating

u Technique: hot rolled or cold drawn

u Application: api 5l steel pipe for conveying oil, water, gas

u Invoicing: based on theoretical weight or actual weight

u Payment Terms: L/C at sight, T/T or Western Union

u Trade Terms: FOB, CFR, CIF

u Certification: ABS manufacturing assessment, ABS design assessment, API 5CT, API 5L, DNV manufacturer certificate, ISO9001 quality management system certificate, ISO14001 environment management system certificate, GB/T28001 occupational health and safety management system certificate, A1 class manufacturing license of special equipment certificate, CCS, GL, LR, SGS, TüV, PDE

Q:How are steel pipes used in the manufacturing of automobiles?: Steel pipes are commonly used in the manufacturing of automobiles for various applications, such as exhaust systems, fuel lines, and structural components. The high strength and durability of steel pipes make them ideal for these purposes, ensuring the safety and reliability of automobiles.

Q:How do you calculate the pipe friction loss for steel pipes?: In order to determine the pipe friction loss for steel pipes, one must utilize the Darcy-Weisbach equation. This particular equation is widely employed in the field of fluid dynamics to ascertain the drop in pressure or friction loss that arises from the flow of fluid through a pipe. The equation is formulated as follows: The pressure drop or friction loss (ΔP) can be calculated by dividing the product of the Darcy friction factor (f), the length of the pipe (L), the density of the fluid (ρ), and the square of the velocity of the fluid (V²), by twice the diameter of the pipe (D). The Darcy friction factor (f), which is a dimensionless value, is contingent upon the Reynolds number (Re) and the relative roughness (ε/D) of the pipe. Here, ε represents the absolute roughness of the pipe. There are various correlations or Moody's diagram that can be employed to determine the friction factor. Once the friction factor has been ascertained, the values for length, density, velocity, and diameter can be substituted into the equation to calculate the pressure drop or friction loss. It is of utmost importance to ensure that the units for all variables remain consistent (e.g., length in meters, density in kg/m³, velocity in m/s, diameter in meters) in order to achieve precise results. By utilizing this equation and acquiring the requisite parameters, it becomes possible to calculate the pipe friction loss for steel pipes. Such calculations are essential in the design and analysis of fluid flow systems.

Q:What kinds of steel pipe are divided into?: Welded pipe: also known as welded pipe, is made of steel or steel strip after bending forming, and then made by welding. In accordance with the form of weld is divided into longitudinal welded pipe and spiral welded pipeSpecifically refers to the use of welded steel strip or plate bending deformation of round, square shape after welded, surface jointed steel pipe. The welding steel billets is used in steel plate or strip. The welded pipe production process simple, high production efficiency, great variety, less capital equipment, but since the general strength is less than that of seamless steel.20 century 30s, along with the rapid development of high-quality strip rolling production and progress of welding and testing technology, and constantly improve the weld quality, varieties and specifications of welded steel pipe is increasing, and instead of the seamless steel pipe in more and more fields. Compared with welded steel seamless steel tube with low cost and high production efficiency.

Q:What are the different types of steel pipe connections for oil and gas pipelines?: The different types of steel pipe connections for oil and gas pipelines include threaded connections, welded connections, and flanged connections. Threaded connections involve screwing the pipes together using a threaded end, which ensures a secure fit. Welded connections involve permanently joining the pipes together using welding techniques such as butt welding or socket welding. Flanged connections involve attaching flanges to the ends of the pipes and bolting them together, providing a strong and leak-proof connection.

Q:Are steel pipes suitable for offshore drilling platforms?: Yes, steel pipes are suitable for offshore drilling platforms. Steel pipes have been used extensively in the offshore drilling industry due to their strength, durability, and corrosion resistance. Offshore drilling platforms operate in harsh marine environments where they are exposed to saltwater, extreme pressure, and temperature variations. Steel pipes are able to withstand these conditions and provide a reliable and long-lasting solution for transporting fluids such as oil and gas from the seabed to the surface. Additionally, steel pipes can be welded together, allowing for easy installation and maintenance on offshore drilling platforms. Overall, steel pipes have proven to be a suitable choice for offshore drilling platforms due to their robustness and ability to withstand the challenging conditions of the marine environment.

Q:How are steel pipes used in the agriculture industry?: Steel pipes are used in various ways within the agriculture industry. They are commonly used for irrigation systems, allowing water to be efficiently transported to crops. Steel pipes are also used for drainage systems, ensuring excess water is properly removed from fields. Additionally, steel pipes are used for building structures such as barns, fences, and animal enclosures, providing durability and strength.

Q:How are steel pipes tested for leakage?: Steel pipes are tested for leakage through various methods, including hydrostatic testing and ultrasonic testing. In hydrostatic testing, the pipes are filled with water under high pressure to check for any leaks or weaknesses in the welds or seams. Ultrasonic testing involves using high-frequency sound waves to detect any defects or cracks in the pipes. Both methods are effective in ensuring the integrity and leak-free performance of steel pipes.

Q:How are steel pipes used in the manufacturing of oil refineries?: Steel pipes are used extensively in oil refineries for various purposes. They are primarily used for transporting crude oil, refined petroleum products, and various chemicals within the refineries. These pipes are also crucial for the distribution of water, steam, and other fluids required for the refining processes. Additionally, steel pipes are used in the construction of various equipment and structures in oil refineries, including storage tanks, heat exchangers, and process units. Overall, steel pipes play a vital role in ensuring the safe and efficient operation of oil refineries.

Q:How are steel pipes used in agriculture?: Steel pipes are widely used in agriculture for various purposes. One common application is irrigation systems. Steel pipes can be used to transport water from a water source, such as a well or a reservoir, to different areas of a farm. These pipes are durable and can withstand the pressure of water, making them ideal for long-distance water transportation. Additionally, steel pipes are also used for drainage systems in agriculture. They can be used to remove excess water from fields, preventing waterlogging and ensuring proper drainage. Steel pipes are resistant to corrosion, which is important in agricultural settings where they may be exposed to moisture and various chemicals. Moreover, steel pipes are used in the construction of greenhouse structures. They provide structural support for the greenhouse framework and allow for the installation of irrigation systems and other equipment. Steel pipes are strong, sturdy, and can withstand harsh weather conditions, making them suitable for greenhouse construction. Furthermore, steel pipes are utilized in livestock farming. They are commonly used to create fences and enclosures for animals, providing a secure and durable barrier. Steel pipes are also used in the construction of animal shelters and barns. In summary, steel pipes play a crucial role in agriculture. They are used for irrigation systems, drainage systems, greenhouse construction, and livestock farming. Their durability, strength, and resistance to corrosion make them an excellent choice for various agricultural applications.

Q:What are the advantages of using steel pipes in the manufacturing industry?: There are several advantages of using steel pipes in the manufacturing industry. Firstly, steel pipes are known for their high strength and durability, making them ideal for carrying heavy loads and withstanding harsh conditions. Secondly, steel pipes have excellent resistance to corrosion, reducing the risk of leaks and ensuring a longer lifespan. Additionally, steel pipes offer a wide range of sizes and shapes, allowing for flexibility in design and easy customization. Furthermore, steel pipes are cost-effective compared to other materials, as they require minimal maintenance and have a low risk of failure. Lastly, steel pipes are environmentally friendly, as they are fully recyclable and contribute to reducing carbon emissions during manufacturing. Overall, the advantages of using steel pipes in the manufacturing industry make them a reliable and efficient choice for various applications.

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