18'' CARBON STEEL LSAW WELDED PIPE API/ASTM/JIS/DIN

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 5 m.t

Supply Capability:: 300 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

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
Brand:TPCO

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 wastewater treatment?: Steel pipes are an essential component in the wastewater treatment process. They are used to transport and distribute wastewater from various sources to the treatment facilities. Steel pipes are chosen for this purpose due to their durability, strength, and resistance to corrosion. In wastewater treatment plants, steel pipes are commonly used for multiple applications. Firstly, they are used for the intake of raw wastewater. These pipes are typically large in diameter to accommodate the high flow rate of incoming wastewater. Steel pipes are ideal for this purpose as they can withstand the pressure and turbulence of the wastewater flow. Once inside the treatment facility, steel pipes are used to transport the wastewater to different treatment processes. They connect various units such as screens, grit chambers, sedimentation tanks, and biological reactors. Steel pipes are preferred in these applications due to their ability to handle the corrosive elements present in wastewater, such as chemicals, acids, and gases. Additionally, their durability ensures a long service life, reducing maintenance and replacement costs. Steel pipes are also utilized in the wastewater treatment process for the distribution of treated water. After the wastewater is treated, it undergoes disinfection and other processes to remove harmful contaminants. The treated water is then distributed through steel pipes to be reused for irrigation, industrial processes, or discharged back into water bodies. Furthermore, steel pipes are employed in the construction of wastewater treatment infrastructure. They are used in the installation of underground sewer lines, pumping stations, and manholes. Steel pipes provide the necessary strength and stability to withstand the weight of the soil and other external forces. In summary, steel pipes play a vital role in wastewater treatment by transporting and distributing wastewater, connecting different treatment units, and distributing treated water. Their durability, resistance to corrosion, and ability to handle high-pressure flows make them an ideal choice for this demanding application.

Q:What are the common standards for steel pipe manufacturing?: Steel pipe manufacturing is regulated by various common standards that guarantee the excellence and uniformity of the products. One of the most renowned standards is the American Society for Testing and Materials (ASTM) standard, which encompasses diverse specifications for different kinds of steel pipes. These specifications encompass dimensions, mechanical properties, and testing prerequisites. Another widespread standard is the American National Standards Institute (ANSI) standard, which establishes directives for the manufacturing procedure, material requirements, and performance attributes of steel pipes. ANSI standards are commonly employed in industrial applications and construction undertakings. Furthermore, international standards such as the International Organization for Standardization (ISO) standard exist, providing guidelines for the design, production, and testing of steel pipes. The ISO standard ensures that steel pipes align with global quality and safety standards. Moreover, specific industries may have their own standards for steel pipe manufacturing. For instance, the American Petroleum Institute (API) has devised standards exclusively for oil and gas industry applications. These standards, like API 5L, outline requirements for the manufacturing, testing, and inspection of steel pipes employed in the transportation of oil and gas. Ultimately, these common standards for steel pipe manufacturing play a vital role in guaranteeing the quality, dependability, and safety of the products. They establish a standardized framework that manufacturers can adhere to, enabling customers to have confidence in the performance and durability of the steel pipes they acquire.

Q:What are the different methods of pipe repair for steel pipes?: There are several different methods of pipe repair for steel pipes, depending on the severity and location of the damage. Here are some of the most common methods: 1. Welding: This is a common method used for repairing steel pipes, especially when the damage is localized. The damaged section of the pipe is cut out, and a new piece of pipe is welded in its place. The weld is then inspected to ensure its strength and integrity. 2. Pipe wrapping: This method involves wrapping a layer of fiberglass or epoxy around the damaged section of the pipe. The wrap is applied tightly and securely to provide structural reinforcement and prevent further leakage or corrosion. 3. Pipe lining: This technique involves inserting a flexible liner into the damaged pipe. The liner is made of materials such as epoxy, PVC, or cured-in-place pipe (CIPP). Once inserted, the liner is inflated or heated to conform to the shape of the pipe, creating a new inner surface that is resistant to corrosion and leakage. 4. Slip lining: Similar to pipe lining, slip lining involves inserting a smaller diameter pipe into the damaged pipe. The smaller pipe acts as a protective sleeve, providing structural reinforcement and preventing further deterioration of the original pipe. 5. Pipe bursting: This method is used when the damage to the pipe is extensive. A new pipe is pulled through the damaged one, using a hydraulic or pneumatic system. As the new pipe is pulled through, it bursts the old pipe, creating a larger diameter pipe with minimal disruption to the surrounding area. 6. Clamp or sleeve repair: In cases where the damage is small and localized, a clamp or sleeve can be used to provide a temporary or permanent fix. The clamp or sleeve is placed over the damaged section and tightened securely to prevent leakage. It is important to note that the best method of pipe repair for steel pipes depends on various factors such as the extent of damage, accessibility, cost, and structural requirements. Consulting with a professional pipe repair specialist or engineer is recommended to determine the most suitable method for your specific situation.

Q:Can steel pipes be used for underground oil pipelines?: Yes, steel pipes can be used for underground oil pipelines. Steel pipes are commonly used in the construction of underground oil pipelines due to their strength, durability, and resistance to corrosion. They are able to withstand the high pressure and weight of the oil being transported, as well as any external forces such as soil movement or seismic activity. Additionally, steel pipes can be coated or lined with materials such as epoxy or polyethylene to further protect against corrosion and increase their lifespan. Overall, steel pipes are a reliable and widely used choice for underground oil pipelines.

Q:How are steel pipes used in the manufacturing of wind turbines?: Steel pipes are an integral component in the manufacturing of wind turbines, primarily in the construction of the tower and the foundation. The tower of a wind turbine is typically constructed using large steel pipes that are welded together to form a sturdy and tall structure. These pipes provide the necessary strength and stability to support the entire weight of the wind turbine and withstand the strong forces generated by the rotating blades. In addition to the tower, steel pipes are also used for the foundation of the wind turbine. The foundation requires a strong and stable base to ensure the turbine remains upright and secure. Steel pipes are commonly used to create the deep foundation piles that are driven into the ground to provide support and stability. These piles are typically made of thick-walled steel pipes, which are driven deep into the ground to anchor the wind turbine and prevent it from toppling over. Furthermore, steel pipes are utilized in the transportation of electricity generated by wind turbines. Once the wind turbine converts wind energy into electrical energy, the electricity is transmitted through an internal electrical system to the base of the tower. From there, the electricity is often transferred through underground cables to a substation for distribution into the power grid. Steel pipes are used to protect and encase these cables, providing insulation and ensuring the safe transmission of electricity. Overall, steel pipes play a crucial role in the manufacturing of wind turbines by providing structural support, stability, and efficient transmission of electricity. The durability and strength of steel make it an ideal material for withstanding the harsh environmental conditions and the immense forces associated with wind turbine operation.

Q:How are steel pipes used in the renewable energy industry?: Steel pipes are commonly used in the renewable energy industry for various applications. They are used to transport fluids, such as water or steam, in geothermal power plants. Steel pipes are also used in solar thermal power plants for transferring heat transfer fluids. Additionally, steel pipes are utilized in the construction of wind turbine towers, providing structural support for the turbines. Overall, steel pipes play a vital role in the renewable energy industry by facilitating the efficient and reliable operation of different renewable energy technologies.

Q:How are steel pipes measured and sized?: Steel pipes are measured and sized based on their outer diameter (OD) and wall thickness. The OD is the measurement of the outer circumference of the pipe, while the wall thickness refers to the thickness of the pipe's walls. These two measurements are essential in determining the size of steel pipes, which are commonly categorized using nominal pipe size (NPS) or nominal diameter (DN). NPS is a North American standard, while DN is an international standard. The sizing process ensures uniformity and facilitates compatibility with fittings and other pipeline components.

Q:Are steel pipes resistant to impact?: Yes, steel pipes are generally resistant to impact due to their high strength and durability. They can withstand external forces and are less likely to deform or break upon impact compared to other materials.

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, nickel, or molybdenum. These alloying elements enhance the properties of the steel, making it more resistant to corrosion, higher in strength, and suitable for specific applications in industries like oil and gas, chemical, or power generation.

Q:What are the different end finishes for steel pipes?: The different end finishes for steel pipes include plain ends, beveled ends, threaded ends, and grooved ends.

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