Cold Drawn Carbon Steel Seamless Pipe Q215 CNBM

Cold Drawn Carbon Steel Seamless Pipe Q215 CNBM System 1

Cold Drawn Carbon Steel Seamless Pipe Q215 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:	1.2 - 20 mm	Section Shape:	Round	Outer Diameter:	12.7 - 168 mm
		Secondary Or Not:	Non-secondary	Application:	Boiler Pipe
Technique:	Cold Drawn	Certification:	PED	Surface Treatment:	oil coating
Special Pipe:	Thick Wall Pipe	Alloy Or Not:	Is Alloy	ASTM A213:	T2,T5,T9,T11,T12,T22,T23,T91,T91
ASTM A335:	P1,P2,P5,P9,P11,P12,P22,P23,P91,P92	DIN17175:	15Mo3,10CrMo910,12CrMo195,13CrMo44	Grade:	12Cr1MoV,Cr5Mo,Cr9Mo,12Cr1MoVG,Cr5MoG,A335 P11,A335 P5,A335 P9,A335 P1,A213,A192,A210,A335 P12,A335 P23,St35.8,Cr-Mo alloy,A53-A369,ST35-ST52
Standard:	BS 3059-2,DIN EN 10216-1-2004,DIN 17175,ASTM A213-2001,ANSI A210-1996,ASTM A179-1990,BS,DIN,ASTM

Packaging & Delivery

Packaging Detail:	Seaworthy export packing
Delivery Detail:	45 Days

Specifications

Standard:ASTM A179,DIN17175
Material:SA179,ST35.8
Size:12*1.2-168*20
Manufacture:cold drawn
Heat treating: normalized

Product Description

Commodity: cold drawn carbon steel seamless pipe

Standard&material: ASTM A213 T2,T5,T9,T11,T12,T22,T23,T91,T92, ASTM A335 P1,P2,P5,P9,P11,P12,P22,P23,P91,P92, DIN17175 15Mo3,10CrMo910,12CrMo195,13CrMo44, and equivalent standard and material.

Size range: 12mm*1.2mm - 168mm*20mm

Manufacture method: cold rolled, cold drawn

Delivery condition: Normalized, Normalized and Tempered.

Mill test certificate as per EN10204 3.1B is available.

Third party inspection is acceptable.

Tubes will be ECT+UT.

Packaging & Shipping

Packing: tubes will be packed in bundles tied with steel strips.

Oil coating,varnish,or black painting to be confirmed.

End plastic caps to be confirmed.

External packing by knit bags.

Marking: to be confirmed.

Q: What are the common sizes of steel pipes available?: The specific industry or application determines the availability of common sizes of steel pipes. However, different industries commonly use several standard sizes. These sizes are usually identified by their nominal pipe size (NPS) or outside diameter (OD). Steel pipes are commonly found in sizes such as 1/8 inch, ¼ inch, ½ inch, ¾ inch, 1 inch, 1 ¼ inch, 1 ½ inch, 2 inch, 2 ½ inch, 3 inch, 3 ½ inch, 4 inch, 5 inch, 6 inch, 8 inch, 10 inch, 12 inch, 14 inch, 16 inch, 18 inch, 20 inch, 24 inch, 26 inch, 30 inch, 36 inch, 42 inch, 48 inch, and 54 inch. These sizes are widely used in various applications, including plumbing, construction, oil and gas pipelines, structural supports, and industrial processes. It is important to note that these sizes may slightly differ according to industry standards or requirements. Moreover, steel pipes are available in different wall thicknesses known as schedules. The most commonly used schedules are schedule 40, schedule 80, schedule 160, and schedule XXS (extra extra strong). The schedule number indicates the pipe's wall thickness, with higher numbers indicating thicker walls. To summarize, the available common sizes of steel pipes range from 1/8 inch to 54 inches in diameter. These sizes are commonly used in different industries and applications, and their wall thickness can vary based on the specific schedule.

Q: How are steel pipes coated to prevent corrosion?: To prevent corrosion, steel pipes can be coated using different methods and materials. One common approach is to apply a protective layer of paint or epoxy on the pipe's surface. This coating acts as a barrier between the steel and the external environment, preventing direct contact with moisture and corrosive substances. Another technique involves galvanization, where the steel pipes are coated with a layer of zinc. Zinc is highly resistant to corrosion and acts as a sacrificial anode. In case of any damage to the coating, the zinc corrodes instead of the steel, ensuring the steel remains intact and free from corrosion. Polyethylene or polypropylene materials can also be fused onto the steel surface, creating a strong bond that provides excellent resistance against corrosion. This method, known as fusion bonding, is commonly used in offshore and underground pipelines. Moreover, a layer of corrosion-resistant alloy can be applied to the steel pipe. This alloy is typically a combination of metals such as nickel, chromium, and molybdenum, which offer superior protection against corrosion in harsh environments. The choice of coating method depends on factors like operating conditions, the presence of corrosive substances, 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 you calculate the pipe friction loss for steel pipes?: To calculate the pipe friction loss for steel pipes, you need to use the Darcy-Weisbach equation. This equation is commonly used in fluid dynamics to determine the pressure drop or friction loss due to the flow of fluid through a pipe. The equation is as follows: ΔP = (f * L * ρ * V²) / (2 * D) Where: ΔP = Pressure drop or friction loss f = Darcy friction factor L = Length of the pipe ρ = Density of the fluid V = Velocity of the fluid D = Diameter of the pipe The Darcy friction factor (f) is a dimensionless value that depends on the Reynolds number (Re) and the relative roughness (ε/D) of the pipe, where ε is the absolute roughness of the pipe. To determine the friction factor, you can use various correlations or Moody's diagram. Once you have the friction factor, you can plug in the values for length, density, velocity, and diameter into the equation to calculate the pressure drop or friction loss. It is important to note that the units of all the variables should be consistent (e.g., length in meters, density in kg/m³, velocity in m/s, diameter in meters) to obtain accurate results. By using this equation and obtaining the necessary parameters, you can calculate the pipe friction loss for steel pipes, which is crucial in designing and analyzing fluid flow systems.

Q: Can steel pipes be used for the construction of offshore wind farms?: Yes, steel pipes can be used for the construction of offshore wind farms. Steel pipes are commonly used for various offshore applications, including the installation of wind turbine foundations, subsea cables, and other infrastructure. They offer durability, strength, and resistance to corrosion, making them suitable for the challenging marine environment. Additionally, steel pipes can be easily fabricated and installed, allowing for efficient construction processes in offshore wind farm projects.

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 purpose of pipe flanges in steel pipes?: The purpose of pipe flanges in steel pipes is to provide a secure and leak-proof connection between two pipes or to other equipment, such as valves or pumps. Flanges allow for easy assembly and disassembly of pipe sections, as well as providing a means for maintenance and repairs. Additionally, they provide a stronger connection, ensuring the integrity and stability of the pipeline system.

Q: What is the difference between steel pipes and PEX pipes?: Steel pipes are made of metal and are known for their durability and strength. They are commonly used in industrial applications and for transporting fluids and gases. On the other hand, PEX pipes are made of a flexible plastic material called cross-linked polyethylene. PEX pipes are more flexible and easier to install compared to steel pipes. They are commonly used in residential plumbing systems due to their resistance to corrosion and ability to expand and contract with temperature changes.

Q: What are the different grades of steel used for pipes?: There are several different grades of steel used for pipes, each with their own specific properties and applications. Some of the most commonly used grades include: 1. Carbon Steel: This is the most common type of steel used for pipes and is typically used in low-pressure applications. It has a low carbon content, usually less than 0.30%, which makes it easy to weld and form. Carbon steel pipes are durable and cost-effective, making them suitable for a wide range of industries. 2. Stainless Steel: Stainless steel pipes are known for their corrosion resistance and high strength. They are made from an alloy of iron and chromium, with additional elements like nickel and molybdenum to enhance their properties. Stainless steel pipes are commonly used in industries such as chemical, food processing, and oil and gas, where corrosion resistance is crucial. 3. Alloy Steel: Alloy steel pipes are made by adding elements such as manganese, chromium, or nickel to carbon steel. This enhances their strength, hardness, and resistance to wear, making them suitable for high-pressure and high-temperature applications. Alloy steel pipes are commonly used in industries such as power generation, petrochemical, and aerospace. 4. Duplex Steel: Duplex steel is a type of stainless steel that contains a combination of austenite and ferrite phases. This results in a material with excellent strength, corrosion resistance, and toughness. Duplex steel pipes are commonly used in offshore oil and gas platforms, as well as in chemical and petrochemical industries. 5. Low-Temperature Steel: Low-temperature steel is designed to withstand extremely cold temperatures without becoming brittle. These pipes are typically used in industries such as cryogenic storage, LNG (liquefied natural gas) transportation, and refrigeration. It is important to select the appropriate grade of steel for a specific application to ensure the pipe's performance and longevity. Factors such as temperature, pressure, corrosion resistance, and cost should be considered when choosing the grade of steel for pipes.

Q: Can steel pipes be used for underground gas pipelines?: Yes, steel pipes can be used for underground gas pipelines. Steel pipes are often the preferred choice for underground gas pipelines due to their strength, durability, and resistance to corrosion. They can effectively handle the high pressure and extreme temperature variations associated with transporting gas underground.

Q: What is the typical lifespan of steel pipes?: The typical lifespan of steel pipes can vary depending on various factors such as the quality of the steel used, the environmental conditions, and the maintenance and usage of the pipes. However, on average, steel pipes are known to have a lifespan of around 50 to 100 years. With proper installation, regular inspections, and appropriate maintenance, steel pipes can often exceed this lifespan and provide reliable service for several decades. It is important to note that factors such as corrosion, erosion, and external damage can impact the lifespan of steel pipes, so it is crucial to implement preventive measures and necessary repairs to ensure their longevity.

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