Schedule 40 Seamless Carbon Steel Pipe API J55 CNBM

Schedule 40 Seamless Carbon Steel Pipe API J55 CNBM System 1

Schedule 40 Seamless Carbon Steel Pipe API J55 CNBM System 2

Schedule 40 Seamless Carbon Steel Pipe API J55 CNBM

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Loading Port:: Qingdao

Payment Terms:: TT OR LC

Min Order Qty:: 10 pc

Supply Capability:: 30 pc/month

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Quick Details

Thickness:	1.73 - 59.54 mm	Section Shape:	Round	Outer Diameter:	10.3 - 914.4 mm
		Secondary Or Not:	Non-secondary	Application:	Fluid Pipe
Technique:	Hot Rolled	Certification:	API	Surface Treatment:	Galvanized,vanish covering, black painting, galvenized ect.
Special Pipe:	API Pipe	Alloy Or Not:	Non-alloy	Length:	5-12m as per customer's requirements
SCH:	SCH10~160, STD, XS & XXS	Payment Terms:	L/C T/T	Supply Ability:	5000 Ton/Tons per Week
Product:	pipe prices	Grade:	10#,20#,45#,A106(B,C),A53(A,B),12Cr1MoV,12Cr1MoVG,12Cr2Mo,13CrMo44,13CrMo45,15CrMo,15CrMoG,St52,St52.4,10#-45#,A53-A369,Cr-Mo alloy,ST35-ST52	Standard:	API 5CT,API 5L,ASTM A106-2006,ASTM A53-2007,DIN 17175,GB 3087-1999,GB 5130,GB 6479-2000,GB 9948-2006,GB/T 17396-1998,GB/T 5312-1999,GB/T 8162-1999,GB/T 8163-1999,API,ASTM,DIN,GB

Packaging & Delivery

Packaging Detail:	By bundles, seaworthy wooden cases, steel framed cases, and simple packaging or according to the demand of the customers.
Delivery Detail:	within 5-15 days

Specifications

1.pipe prices
2.Supply Ability:5000 Tons per Week
3.Payment Terms:L/C T/T

High quality Carbon steel pipe, Best pipe prices

1) Application: Overheat pipe for low and mediumpressure boiler,boiling water pipe, locomotive smoke pipe(big and small),Carry gas ,water or oil in the industries of petroleum and natural gas etc
2) Materials: 10#, 20#, 45#, 15CrMo, 12Cr1MoV, 13CrMo44, 12Cr2Mo, 13CrMo45, 12Cr1MoVG, 15CrMoG, API J55, API K55, API N80, API L80, API P110

3)Pipe according to standard: GB 3087-1999, GB/T 8163-1999, GB/T 8162-1999, GB 9948-2006, GB/T 17396-1998, GB/T 5312-1999, GB 6479-2000, GB 5130, DIN 17175, API 5CT, API 5L .

4)Packing: By bundles, seaworthy wooden cases, steel framed cases, and simple packaging or according to the demand of the customers.

Technical Parameters of Seamless Steel Pipe

schedule 40 seamless carbon steel pipe

Q:How are steel pipes used in the construction of water supply systems?: Steel pipes are commonly used in the construction of water supply systems due to their durability, strength, and resistance to corrosion. These pipes are used to transport water from the source to various points of distribution, such as buildings, homes, and industries. Steel pipes are often buried underground or installed above ground, depending on the specific requirements of the project. Additionally, steel pipes can withstand high pressure and are suitable for carrying large volumes of water, making them a reliable choice for water supply systems.

Q:What is the difference between steel pipe and concrete pipe?: The main difference between steel pipe and concrete pipe lies in their material composition. Steel pipes are made from steel, which provides strength, durability, and resistance to corrosion. On the other hand, concrete pipes are made from a mixture of cement, aggregates, and reinforcing materials, offering advantages such as fire resistance and the ability to withstand high pressure. While steel pipes are commonly used for transporting fluids and gases, concrete pipes are often used in drainage and sewage systems.

Q:How are steel pipes used in the construction of natural gas power plants?: Steel pipes are used in the construction of natural gas power plants primarily for transporting and distributing the fuel. These pipes are used to transport natural gas from the source to various components within the power plant, such as turbines and generators, for efficient combustion. Additionally, steel pipes are also used for cooling systems, waste gas removal, and other crucial functions in the overall construction and operation of natural gas power plants.

Q:Can steel pipes be used for architectural purposes?: Yes, steel pipes can be used for architectural purposes. Steel pipes are often used in construction projects for structural support, such as in the construction of buildings, bridges, and stadiums. They are also commonly used for architectural design elements, such as handrails, staircases, and decorative features. The durability, strength, and versatility of steel pipes make them a popular choice in architectural applications.

Q:What's the difference between a rectangular tube and a rectangular steel tube?: Rectangular tube is a kind of hollow long strip steel, also known as flat tube, flat square tube or square flat tube (Gu Mingsiyi). A large amount of pipe used to transport fluids, such as petroleum,Natural gas, water, gas, steam, etc., in addition to bending and torsional strength of the same weight is lighter, so it is also widely used in the manufacture of machinery parts and engineering structures. It is also used to produce all kinds of conventional weapons, guns, shells and so on.

Q:How are steel pipes coated to prevent corrosion?: Steel pipes are coated to prevent corrosion using various methods and materials. One common method is applying a protective layer of paint or epoxy on the surface of the pipe. This coating acts as a barrier between the steel and the external environment, preventing moisture and corrosive substances from coming into direct contact with the metal. Another technique involves using a process called galvanization, where the steel pipes are coated with a layer of zinc. Zinc is highly resistant to corrosion and acts as a sacrificial anode, meaning it will corrode in place of the steel if any damage occurs to the coating. This sacrificial protection ensures that the steel remains intact and corrosion-free. Additionally, steel pipes can be coated with polyethylene or polypropylene materials through a process called fusion bonding. In this method, the plastic material is melted onto the steel surface, creating a strong bond that provides excellent resistance against corrosion. This type of coating is commonly used in offshore and underground pipelines. Furthermore, another technique for preventing corrosion is the application of a layer of corrosion-resistant alloy onto the steel pipe. This alloy is typically a combination of metals such as nickel, chromium, and molybdenum, which provide superior protection against corrosion in harsh environments. Overall, the choice of coating method depends on various factors such as the operating conditions, the type of corrosive substances present, and the expected lifespan of the steel pipes. By effectively applying these coatings, steel pipes can be safeguarded against corrosion, extending their durability and ensuring the integrity of the infrastructure they are used in.

Q:How do steel pipes handle extreme weather conditions?: Steel pipes are highly durable and can withstand extreme weather conditions. They have excellent resistance to corrosion, making them suitable for humid and coastal areas. Additionally, steel pipes can withstand high temperatures, making them reliable in extreme heat or cold. Their strength and resilience make them ideal for various applications, including oil and gas pipelines, water supply systems, and construction projects in harsh weather environments.

Q:What is the difference between steel pipes and PVC-M pipes?: Steel pipes are made from a strong and durable material, steel, and are commonly used for carrying high-pressure fluids or in industrial applications. On the other hand, PVC-M pipes are made of a plastic material called polyvinyl chloride modified, which offers good flexibility and resistance to corrosion. PVC-M pipes are typically used in low-pressure applications such as domestic plumbing, irrigation, or drainage systems.

Q:How are steel pipes marked for identification and traceability?: Steel pipes are marked for identification and traceability through various methods. One common method is through the use of permanent markers or paint. These marks typically include important information such as the manufacturer's name or logo, the pipe's size and specifications, and the production date or batch number. In addition to surface marking, steel pipes may also be identified using tags or labels. These tags are usually made of durable materials such as metal or plastic and are securely attached to the pipe. They contain detailed information about the pipe, including its unique identification number, material composition, and any relevant certifications or standards it meets. Another method used for identification and traceability is the application of barcodes or QR codes. These codes can be scanned using specialized equipment or mobile applications, providing instant access to comprehensive information about the pipe's origin, production process, and quality control measures. Barcodes and QR codes offer a more efficient and automated way of tracking and tracing steel pipes throughout their lifecycle. Furthermore, some steel pipes may have embossed or engraved markings directly on their surface. These markings are typically indented into the metal and can withstand harsh conditions, ensuring long-term visibility and legibility. The goal of marking steel pipes is to ensure their proper identification and traceability throughout their lifecycle. This helps in quality control, maintenance, and inspection processes, as well as in ensuring compliance with regulatory requirements. By having clear and permanent markings, manufacturers, suppliers, and users can easily track and trace the history and specifications of steel pipes, enabling better management and accountability in various industries such as construction, oil and gas, and infrastructure development.

Q:What is the impact of steel pipe size on flow rate and pressure?: Both the flow rate and pressure are significantly impacted by the size or diameter of a steel pipe. To begin with, the flow rate represents the amount of fluid that can pass through the pipe within a given time frame. A larger diameter allows for a greater flow rate as it provides more space for the fluid to move through. This is because a larger cross-sectional area creates less resistance for the fluid. Consequently, increasing the size of the steel pipe generally leads to an increase in flow rate. Additionally, the size of a pipe affects the pressure within it. As the fluid flows through the pipe, it encounters friction against the pipe walls, resulting in resistance. This resistance causes a drop in pressure along the length of the pipe. A smaller diameter pipe experiences higher frictional losses, leading to a greater pressure drop. Conversely, a larger diameter pipe reduces frictional losses, resulting in a lower pressure drop. Therefore, increasing the size of the steel pipe typically leads to a decrease in pressure drop. It is important to note that although increasing the size of a steel pipe generally leads to a higher flow rate and lower pressure drop, other factors can also influence these parameters. These factors include the properties of the fluid, the length and layout of the pipe, and the presence of valves or fittings. Therefore, it is crucial to consider all these factors and perform accurate calculations or simulations to determine the specific impact of steel pipe size on flow rate and pressure within a given system.

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