2016 best factory price seamless steel pipe

2016 best factory price seamless steel pipe System 1

2016 best factory price seamless steel pipe

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Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 50 m.t.

Supply Capability:: 3000000 m.t./month

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1.Structure of Seamless Steel Pipe Description:

A large amount of Seamless Steel Pipes is offered to the clients at cost effective rates. These pipes are extremely durable, resistant to corrosion and have high tensile strength. Our pipes are used in nuclear plants, power plants, refineries and construction industry across the country. Furthermore, we are capable of providing these seamless pipes to the clients in bulk quantity.

2.Main Features of the Steel Pipe:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

•Reasonable price

3.Packaging & Delivery：

Packaging Details:	Seaworthy packages, bundles wrapped with strong steel strip
Delivery Detail:	15-30 days after received 30% TT

‍‍4.Seamless Steel Pipe Specification：‍‍

Standard:	GB, DIN, ASTM，ASME, ASTM A106-2006, ASTM A53-2007
Grade:	10#,20#, 45#, 16Mn
Thickness:	8 - 33 mm
Section Shape:	Round
Outer Diameter:	133 - 219 mm
Place of Origin:	Shandong, China (Mainland)
Secondary Or Not:	Non-secondary
Application:	Hydraulic Pipe
Technique:	Cold Drawn
Certification:	API
Surface Treatment:	factory state or painted black
‍‍‍Special Pipe:	API Pipe
Alloy Or Not:	Non-alloy
‍Length：	5-12M
Outer Diameter:	21.3-610mm

5.Product pictures

2016 best factory price seamless steel pipe

6.FAQ of Seamless steel pipe:

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 used in the shipbuilding industry?: Steel pipes are commonly used in the shipbuilding industry for various applications such as the construction of the ship's hull, piping systems for fuel, water, and other fluids, as well as for the ventilation and drainage systems on board. These pipes provide strength, durability, and corrosion resistance, making them ideal for withstanding the harsh marine environment.

Q:What are the different methods of lining steel pipes?: There exist various techniques for lining steel pipes, each possessing distinct advantages and applications. Some popular methods comprise: 1. Cement Mortar Lining: This technique entails the application of a cement mortar layer onto the inner surface of the steel pipe. Cement mortar offers outstanding protection against corrosion and grants smoothness to the pipe, consequently diminishing friction and enhancing flow rates. It finds common usage in water supply systems and sewage treatment plants. 2. Polyethylene (PE) Lining: PE lining necessitates the insertion of a polyethylene tube into the steel pipe. Typically, the tube is heat fused or mechanically connected to the steel pipe, resulting in a seamless and corrosion-resistant lining. PE lining is commonly employed in gas transmission and distribution pipelines. 3. Epoxy Lining: Epoxy lining involves the application of an epoxy resin onto the inner surface of the steel pipe. Epoxy coatings exhibit exceptional resistance to corrosion, abrasion, and chemicals, thereby making them suitable for a variety of applications such as oil and gas pipelines, water treatment, and industrial processes. 4. Trenchless Pipe Lining: This method serves to rehabilitate existing steel pipes without the requirement of excavation. It encompasses the insertion of a liner or resin-coated fabric into the existing pipe, which is subsequently inflated and cured to form a new lining. Trenchless pipe lining is commonly utilized for sewer and water main rehabilitation. 5. Polyurethane (PU) Lining: PU lining involves the spraying or pouring of a polyurethane coating onto the inner surface of the steel pipe. Polyurethane linings deliver excellent resistance to abrasion, impact, and chemicals, thereby suiting applications in mining, slurry pipelines, and wastewater treatment. These represent merely a few of the numerous methods accessible for lining steel pipes. The selection of a lining approach is contingent upon factors such as the intended application, the environment, and the desired level of corrosion resistance and durability.

Q:What are the factors that affect the pressure rating of steel pipes?: There are several factors that can affect the pressure rating of steel pipes. 1. Material strength: The strength of the steel used in the pipe construction plays a crucial role in determining its pressure rating. Higher strength steel can withstand higher pressure levels, whereas weaker grades of steel may have lower pressure ratings. 2. Wall thickness: The thickness of the pipe wall directly impacts its pressure rating. Thicker walls can handle higher pressure levels as they provide more resistance against the internal forces exerted by the fluid or gas flowing through the pipe. 3. Pipe diameter: The diameter of the steel pipe also influences its pressure rating. Generally, larger pipes have higher pressure ratings as they have a larger cross-sectional area to distribute the internal pressure forces. 4. Temperature: Elevated temperatures can significantly affect the pressure rating of steel pipes. High temperatures can weaken the steel material, reducing its overall strength and, consequently, its pressure rating. Therefore, it is important to consider the maximum operating temperature when determining the pressure rating of steel pipes. 5. Corrosion resistance: Corrosion can weaken the pipe material over time, leading to a decrease in its pressure rating. Various factors such as the type of fluid being transported, pH levels, and environmental conditions can impact the corrosion resistance of steel pipes. Utilizing corrosion-resistant coatings or selecting stainless steel pipes can help mitigate this factor. 6. Manufacturing standards: Compliance with recognized industry standards and specifications is crucial in determining the pressure rating of steel pipes. These standards ensure that the pipes are manufactured using proper techniques and materials, providing reliable and accurate pressure ratings. 7. External loads: External loads or forces acting on the pipes, such as soil settlement, traffic loads, or installation practices, can affect their pressure rating. Proper design and installation techniques, including adequate support and protection, are essential in ensuring the pipes can withstand these external forces without compromising their pressure rating. It is important to consider all these factors and consult relevant industry standards and guidelines to determine the appropriate pressure rating for steel pipes in different applications.

Q:What are the different types of steel pipe joints for underwater applications?: There are various types of steel pipe joints commonly used for underwater applications, including buttweld joints, socket weld joints, and threaded joints. These joints provide secure connections and maintain the integrity of the pipeline system in underwater environments.

Q:How are steel pipes repaired in case of damage?: Steel pipes are repaired in case of damage through various methods such as welding, patching, or replacing the damaged section. The appropriate repair technique depends on the type and extent of the damage to ensure the structural integrity and functionality of the pipe.

Q:How are steel pipes used in the manufacturing of boilers and heat exchangers?: Boilers and heat exchangers rely on steel pipes as an essential component due to their exceptional properties and capabilities. These pipes are specifically designed to endure high temperatures, pressures, and corrosive environments, making them highly suitable for these purposes. When constructing boilers, steel pipes are employed to form the main body or shell. This shell contains the water or steam that is heated to generate heat or produce steam for diverse industrial processes. The steel pipes used in boilers are typically seamless or welded, possessing precise dimensions and exceptional strength to ensure structural integrity and prevent any potential leaks. Heat exchangers, on the other hand, are devices used for transferring heat between two fluids, often with varying temperatures. Steel pipes are utilized in heat exchangers as the primary medium for heat transfer. The pipes are commonly arranged in a pattern, allowing the hot fluid to pass through one set of pipes while the cold fluid passes through another set. This arrangement facilitates efficient heat transfer between the two fluids. The use of steel pipes in boilers and heat exchangers provides numerous advantages. Firstly, steel pipes exhibit excellent thermal conductivity, enabling efficient heat transfer between the fluid and the surrounding environment. Secondly, steel pipes possess high tensile strength and can withstand high pressures, ensuring the safety and reliability of the equipment. Thirdly, steel pipes are highly resistant to corrosion, which is crucial in environments where the processed fluids are corrosive or contain impurities. Furthermore, steel pipes can be easily fabricated and customized to meet the specific requirements of boilers and heat exchangers. They can be manufactured in various sizes, lengths, and thicknesses to accommodate diverse applications. Additionally, steel pipes can be coated or lined with materials such as ceramic or epoxy to provide additional protection against corrosion or abrasion. In conclusion, steel pipes play a crucial role in the manufacturing of boilers and heat exchangers. Their exceptional properties, including high strength, thermal conductivity, and corrosion resistance, make them the optimal choice for these applications. The use of steel pipes ensures the efficient operation, safety, and longevity of boilers and heat exchangers in various industrial processes.

Q:How are steel pipes classified based on their diameter?: Various categories exist for classifying steel pipes based on their diameter. The most commonly used classification system for steel pipes is the nominal pipe size (NPS), which is a set of standard sizes in North America that designate the diameter of the pipe. The NPS is expressed in inches and represents the approximate inside diameter (ID) of the pipe. Steel pipes can be divided into three main categories based on their diameter: small bore, medium bore, and large bore. Small bore pipes have an NPS of 2 inches and below, medium bore pipes have an NPS between 2 and 24 inches, and large bore pipes have an NPS greater than 24 inches. In addition to the NPS classification, steel pipes can also be classified based on their actual outside diameter (OD). This classification is used to determine the compatibility of pipes with fittings and other components. The OD classification is typically expressed in inches or millimeters. Overall, the diameter-based classification of steel pipes provides a standardized system that facilitates the easy identification and selection of pipes for various applications. It ensures compatibility and enables the efficient installation and effective functioning of piping systems in industries such as construction, oil and gas, plumbing, and more.

Q:Are steel pipes suitable for high-temperature applications?: Yes, steel pipes are suitable for high-temperature applications. Steel has excellent heat resistance properties and can withstand high temperatures without deformation or structural failure. Additionally, steel pipes can be specifically designed and coated to enhance their heat resistance, making them ideal for various industrial processes and applications involving high temperatures.

Q:How do steel pipes handle high-pressure applications?: Steel pipes are commonly used in high-pressure applications because of their inherent strength and durability. The high tensile strength of steel allows it to withstand the pressure exerted on the pipes without deforming or bursting. Moreover, steel pipes are resistant to corrosion, making them ideal for handling various types of fluids and gases under high-pressure conditions. Additionally, the seamless construction of steel pipes eliminates weak points and ensures their reliability and safety in high-pressure environments.

Q:What is the maximum allowable deflection for steel pipes?: The maximum allowable deflection for steel pipes depends on various factors such as pipe diameter, wall thickness, material strength, and the intended application. It is typically determined by industry standards and specific engineering considerations.

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