Carbon steel seamless pipe for boiler Cr5Mo CNBM

Carbon steel seamless pipe for boiler Cr5Mo 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
Place of Origin:	Jiangsu China (Mainland)	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,ASTM A192,ASTM A210,DIN17175,EN10216-1
Material:P235GH,ST35.8,ST45.8
Manufacture method:cold drawn

Product Description

Commodity: Carbon steel seamless pipe for boiler

Standard&material: ASTM A179,ASTM A192,ASTM A210 Gr.A1,Gr.C,DIN17175 ST35.8,ST45.8,EN10216-1 P235GH,P265GH,etc.

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.

Q: How do you calculate the pipe thermal expansion for steel pipes?: To calculate the pipe thermal expansion for steel pipes, you need to consider the coefficient of thermal expansion (CTE) of the material, the temperature change, and the length of the pipe. The CTE is a measure of how much a material expands or contracts with temperature changes. For steel, the average CTE is typically around 12 x 10^-6 per degree Fahrenheit (or 6.5 x 10^-6 per degree Celsius). However, this value can vary depending on the specific grade of steel. Next, determine the temperature change that the pipe will experience. This can be the difference between the operating temperature and the ambient temperature, or the change in temperature due to the fluid or gas flowing through the pipe. Finally, calculate the thermal expansion using the formula: Thermal Expansion = CTE x Length x Temperature Change Where: - CTE is the coefficient of thermal expansion - Length is the length of the pipe - Temperature Change is the difference in temperature For example, if you have a steel pipe with a length of 10 meters (32.8 feet) and a temperature change of 100 degrees Celsius (180 degrees Fahrenheit), and assuming a CTE of 12 x 10^-6 per degree Celsius, the thermal expansion would be: Thermal Expansion = 12 x 10^-6 x 10 x 100 = 0.012 meters (or 12 millimeters) This means the pipe would expand by 12 millimeters due to the temperature change. It's important to note that this calculation provides an estimate of the thermal expansion, but other factors such as pipe supports, restraints, and the specific application should also be considered to ensure the proper design and installation of the steel pipe system.

Q: How do you select the right size of steel pipe for a project?: To select the right size of steel pipe for a project, one must consider factors such as the intended purpose, the flow rate or pressure requirements, the material being transported, and any applicable building codes or regulations. Consulting engineering specifications, pipe size charts, and professional advice can help in determining the appropriate size that will meet the project's requirements and ensure optimal performance and safety.

Q: Can steel pipes be used for underground electrical conduits?: Yes, steel pipes can be used for underground electrical conduits. Steel pipes are durable, strong, and resistant to external forces, making them suitable for protecting electrical wiring in underground installations. Additionally, steel pipes offer excellent corrosion resistance, ensuring the longevity and safety of the electrical system.

Q: How are steel pipes used in the manufacturing of appliances?: Steel pipes are commonly used in the manufacturing of appliances as they are strong, durable, and resistant to corrosion. These pipes are used for various purposes such as supply and distribution of water, gas, and other fluids, as well as for structural support and framework in appliances. They are often used for creating the internal plumbing systems, ventilation ducts, and electrical conduits in appliances, ensuring efficient functioning and reliability.

Q: Can steel pipes be used for gas transportation?: Yes, steel pipes can be used for gas transportation. Steel is a commonly used material for gas pipelines due to its strength, durability, and resistance to corrosion. Steel pipes are able to withstand high pressures and are suitable for transporting both natural gas and propane. They are also capable of withstanding extreme temperatures, making them ideal for gas transportation in various environments. Additionally, steel pipes can be welded together, allowing for a seamless and continuous pipeline system. However, it is important to ensure that the steel pipes used for gas transportation are properly coated and protected against corrosion to prevent any leaks or damage to the pipeline.

Q: How are steel pipes coated to prevent internal corrosion?: Steel pipes are coated to prevent internal corrosion through a process called internal coating. This involves applying a protective layer of epoxy or polyethylene coating on the inner surface of the pipes. This coating acts as a barrier between the steel surface and the fluid being transported, preventing the corrosive elements from coming into direct contact with the steel and reducing the risk of internal corrosion.

Q: How to distinguish seamless pipe and welded pipe?: If it is seamless pipe, the port can be seen inside and outside the pipe there is no welding meat exists, and even if the welding pipe welding processing, the pipe weld is very easy to observe.

Q: What is the cost of steel pipes?: The cost of steel pipes can vary depending on various factors such as size, grade, quantity, and current market conditions. It is best to contact a supplier or check with local suppliers to get an accurate and up-to-date price quote.

Q: What does carbon seamless steel pipe mean? What is the difference between a seamless 20# and an ordinary one? What is it used in detail?: Carbon steel is relatively alloy steel. Its carbon content is higher than alloy steel, and 20# steel is one kind of carbon steel.

Q: Can steel pipes be used for underground utility lines?: Yes, steel pipes can be used for underground utility lines. Steel pipes are commonly used for various underground applications, including utility lines for water, gas, and sewage. They are durable, strong, and resistant to corrosion, making them suitable for long-term use in underground environments. Additionally, steel pipes can be easily welded and connected, allowing for efficient installation and maintenance.

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