Cold Drawn Carbon Steel Seamless Pipe CNBM

Cold Drawn Carbon Steel Seamless Pipe CNBM System 1

Cold Drawn Carbon Steel Seamless Pipe 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 different methods of pipe cutting for steel pipes?: There exists a variety of techniques for cutting steel pipes, each tailored to specific circumstances and demands. Some of the most prevalent techniques are as follows: 1. Manual Pipe Cutters: These handheld tools are frequently employed for cutting smaller steel pipes. They typically feature a rotating cutting wheel that gradually creates a groove until the pipe is severed. Portable and relatively user-friendly, manual pipe cutters are suitable for on-site cutting tasks. 2. Hacksaw: The use of a hacksaw is a traditional and cost-effective means of cutting steel pipes. This method requires physical exertion and time; however, it can effectively cut pipes with smaller diameters. It is crucial to use a fine-toothed blade and apply steady pressure to ensure a clean and precise cut. 3. Reciprocating Saw: Also known as a sawzall, the reciprocating saw is a power tool that employs a back-and-forth cutting motion to swiftly and efficiently cut through steel pipes. These versatile saws can accommodate different types of blades to handle various pipe sizes and thicknesses. 4. Band Saw: Band saws are commonly employed in industrial settings for the purpose of cutting large steel pipes. These saws feature a continuous loop of teethed metal blade that moves on wheels, enabling precise and rapid cutting. Band saws are ideal for cutting large-diameter pipes and can be operated manually or fully automated for high-volume cutting tasks. 5. Pipe Cutting Machines: Pipe cutting machines are often utilized to achieve precise and consistent cuts. These machines are designed to cut steel pipes swiftly and accurately, making them suitable for large-scale industrial applications. Depending on the machine and requirements, various cutting methods like abrasive cutting, flame cutting, or plasma cutting can be employed. It is important to note that the selection of a pipe cutting method depends on factors such as pipe diameter, thickness, location, precision requirements, and available resources. It is imperative to adhere to proper safety precautions when working with any cutting method to prevent injury or damage to the pipes.

Q: Can steel pipes be bent or curved?: Yes, steel pipes can be bent or curved using specialized equipment and techniques such as pipe bending machines or hydraulic bending.

Q: How do you calculate the pipe head loss for steel pipes?: The Darcy-Weisbach equation is utilized for calculating the pipe head loss in steel pipes. This equation establishes a connection between the head loss (hL) and various factors such as the flow rate (Q), pipe diameter (D), pipe length (L), fluid density (ρ), fluid velocity (V), and the friction factor (f). The formula can be expressed as: hL = (f * (L/D) * (V^2))/(2g) Where: - The head loss (hL) is measured in meters - The friction factor (f) is dimensionless - The pipe length (L) is measured in meters - The pipe diameter (D) is measured in meters - The fluid velocity (V) is measured in meters per second - The acceleration due to gravity (g) is typically taken as 9.81 m/s^2 The friction factor (f) relies on the Reynolds number (Re) of the flow, which is a dimensionless quantity representing the ratio of inertial forces to viscous forces. The Reynolds number can be calculated using the following equation: Re = (ρ * V * D) / μ Where: - The Reynolds number (Re) is dimensionless - The fluid density (ρ) is measured in kg/m^3 - The fluid velocity (V) is measured in meters per second - The pipe diameter (D) is measured in meters - The dynamic viscosity of the fluid (μ) is measured in Pa·s or N·s/m^2 The friction factor (f) can be obtained from empirical correlations or from Moody's diagram, which establishes a connection between the Reynolds number, the relative roughness of the pipe surface, and the friction factor. By substituting the calculated friction factor (f) and other known values into the Darcy-Weisbach equation, the head loss in the steel pipe can be determined. It is important to note that the head loss represents the energy lost due to friction and other factors and is usually expressed in terms of pressure drop or height difference.

Q: What are the different methods of pipe insulation for steel pipes?: There are several methods of pipe insulation for steel pipes, each with its own advantages and suitability for specific applications. Some of the commonly used methods include: 1. Fiberglass insulation: This is one of the most popular methods of pipe insulation. Fiberglass insulation is made of fine glass fibers and is available in various forms such as rolls, sheets, or pre-formed sections. It is lightweight, easy to install, and provides excellent thermal insulation properties. 2. Foam insulation: Foam insulation is another effective method for insulating steel pipes. It is available in different forms, including rigid foam boards or spray foam. Foam insulation is known for its high insulating value and its ability to seal gaps and cracks, providing enhanced energy efficiency. 3. Rubber insulation: Rubber insulation, commonly known as elastomeric insulation, is widely used for insulating steel pipes in HVAC systems. It is flexible, durable, and resistant to moisture, making it suitable for both indoor and outdoor applications. Rubber insulation also offers good thermal and acoustic insulation properties. 4. Polyethylene insulation: Polyethylene insulation is a cost-effective option for insulating steel pipes. It is available in different forms, such as foam tubes or molded sections, and is easy to install. Polyethylene insulation provides good thermal insulation, protects against condensation, and is resistant to water vapor diffusion. 5. Cellular glass insulation: Cellular glass insulation is a rigid insulation material made from crushed glass and a foaming agent. It is known for its exceptional thermal insulation properties, as well as its resistance to moisture, fire, and chemicals. Cellular glass insulation is commonly used in cryogenic and high-temperature applications. It is important to consider factors such as temperature, moisture conditions, and the specific requirements of the project when selecting the appropriate method of pipe insulation for steel pipes. Consulting with a professional or an insulation expert can help determine the best insulation method based on the specific needs and conditions of the project.

Q: What is the difference between steel pipe and PVC pipe?: Steel pipe and PVC pipe are both commonly used materials for plumbing and other construction applications, but they have several key differences. Firstly, the material itself is different. Steel pipe is made from steel, which is an alloy of iron and carbon. It is known for its strength and durability, making it suitable for high-pressure applications and underground installations. On the other hand, PVC (polyvinyl chloride) pipe is made from a type of plastic known as PVC. It is lightweight, flexible, and easy to handle, making it a popular choice for residential plumbing and irrigation systems. Secondly, the installation process differs. Steel pipe requires skilled labor and specialized tools for cutting, threading, and welding. It often involves a complex installation process, especially for larger pipe sizes. PVC pipe, on the other hand, can be easily cut with a saw or specialized pipe cutter and joined together using solvent cement or threaded fittings. This makes PVC pipe more suitable for do-it-yourself projects and simpler installations. Thirdly, steel pipe has a higher cost compared to PVC pipe. Steel is a more expensive material, and the manufacturing process for steel pipe is more complex, involving multiple steps and additional materials. PVC pipe, being made from plastic, is generally cheaper and more cost-effective, especially for smaller diameter applications. In terms of performance, steel pipe has higher tensile strength, can withstand higher pressure, and is more resistant to temperature changes, making it ideal for heavy-duty and industrial applications. PVC pipe, on the other hand, has a lower tensile strength but is resistant to corrosion, chemicals, and scale buildup. It is commonly used in residential plumbing, irrigation systems, and other non-industrial applications. In summary, the main differences between steel pipe and PVC pipe lie in the material, installation process, cost, and performance characteristics. While steel pipe is stronger and more suitable for heavy-duty applications, PVC pipe is lighter, easier to install, and more cost-effective for residential and non-industrial uses.

Q: Can steel pipes be used for gas transportation?: Yes, steel pipes can be used for gas transportation. Steel pipes are commonly used for the transportation of natural gas, propane, and other gases due to their high strength, durability, and resistance to corrosion. They can effectively withstand high pressure and extreme temperatures, making them a reliable choice for gas transportation systems.

Q: Can steel pipes be bent?: Yes, steel pipes can be bent. The process of bending steel pipes typically involves using specialized tools and techniques such as pipe bending machines or hydraulic presses. These tools apply force to the pipe, causing it to deform and take on the desired shape or angle. The ability to bend steel pipes makes them versatile and suitable for various applications, including plumbing, construction, and manufacturing. However, it's important to note that the degree to which a steel pipe can be bent depends on factors such as the pipe's diameter, wall thickness, and the type of steel used.

Q: Can steel pipes be used for chemical storage tanks?: The utilization of steel pipes for chemical storage tanks is contingent upon the specific application and the composition of the chemicals in question. Steel, being a robust and enduring material, is generally well-suited for a multitude of industrial purposes. Nevertheless, certain chemicals have the potential to corrode steel, thereby compromising the tank's integrity. In such instances, it is imperative to employ corrosion-resistant coatings or linings on the steel pipes to safeguard against chemical reactions. Furthermore, adherence to industry standards and regulations during the tank's design and construction is crucial to guarantee the safe storage of chemicals. Consequently, while steel pipes can indeed be deployed for chemical storage tanks, meticulous consideration must be given to the nature of the chemicals being stored, and appropriate measures must be taken to prevent corrosion and ensure safety.

Q: How are steel pipes used in the construction of power transmission lines?: Steel pipes are commonly used in the construction of power transmission lines as they provide a strong and durable structure to support the weight of the lines and withstand environmental conditions. These pipes serve as the main support structure for overhead power lines and are often used to elevate the lines above ground level or across bodies of water. Additionally, steel pipes are used to protect and encase underground power cables, ensuring their safety and longevity.

Q: Can steel pipes be used for steam systems?: Yes, steel pipes can be used for steam systems. Steel pipes are commonly used in steam systems due to their high strength, durability, and heat resistance properties. Additionally, steel pipes can withstand high pressures and temperatures, making them suitable for transporting steam safely and efficiently.

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