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: What are the different methods of testing steel pipes?: There are several methods used for testing steel pipes, including visual inspection, ultrasonic testing, radiographic testing, magnetic particle testing, and hydrostatic testing. Visual inspection involves examining the pipes for any surface defects or abnormalities. Ultrasonic testing uses sound waves to detect flaws or inconsistencies within the pipes. Radiographic testing involves using X-rays or gamma rays to produce images of the pipes and identify any defects. Magnetic particle testing uses magnetic fields and magnetic particles to detect surface or near-surface defects in the pipes. Hydrostatic testing involves pressurizing the pipes with water to ensure they can withstand the specified pressure without leaks or failures.

Q: How are steel pipes used in the construction of offshore oil rigs?: Steel pipes are used in the construction of offshore oil rigs for various purposes. They are primarily used for drilling and extracting oil from deep-sea wells. These pipes are durable and able to withstand harsh offshore conditions, making them ideal for transporting oil and gas from the wells to the surface. Additionally, steel pipes are used in the construction of the rig's infrastructure, including the installation of risers, production lines, and various subsea systems. Overall, steel pipes play a crucial role in ensuring the functionality and integrity of offshore oil rigs.

Q: 304 stainless steel tube with the diameter of 25*2-3 is what mean: 304 stainless steel tube with the diameter of 25*2-3 said: material for 304 (the equivalent of the American brand, Chinese numbered S30408 stainless steel or 06Cr19Ni10 stainless steel), diameter (OD) for 25mm, for the seamless steel pipe wall thickness of 2 to 3mm.

Q: Are steel pipes suitable for underground drainage systems?: Yes, steel pipes are suitable for underground drainage systems. Steel pipes have several qualities that make them a popular choice for underground drainage. Firstly, steel pipes are strong and durable, capable of withstanding high pressure and heavy loads. They are resistant to corrosion and can last for many years without the need for frequent maintenance or replacement. Steel pipes also have the advantage of being versatile and adaptable to different soil conditions. They can be easily customized to fit the specific needs of the drainage system, including varying diameters and lengths. Additionally, steel pipes can be welded together, ensuring a tight and secure connection that prevents leakage and the infiltration of groundwater. Another benefit of steel pipes in underground drainage systems is their ability to handle a wide range of temperatures. They are resistant to extreme heat or cold, making them suitable for various climates and environments. However, it is important to note that steel pipes can be more expensive than alternative materials like PVC or HDPE pipes. Additionally, they can be heavier and more difficult to install, requiring specialized equipment and expertise. Overall, steel pipes are a reliable and long-lasting option for underground drainage systems, particularly in areas where durability and strength are important considerations.

Q: What's the actual size of the DN25?: DN25 refers to the theoretical size of the inner hole of the pipe. That is to say, the theoretical dimension of the inner diameter of the pipe is 25 (the metric tube refers to the inner diameter, and the English tube is also to indicate the inner diameter, for example: 3/8, the inner diameter is 9.525, and the diameter of the 1/2 is 12.7, and the diameter of the 5/8 is 15.875). The outer diameter is theoretical in diameter, plus the wall thickness specified by the state (which is artificially specified and has no formula)The theoretical diameter of DN25 is 25, and the outer diameter is Phi 33.7 and phi 32(but there is also the outside diameter of the mark. The mark is: the outer diameter * wall thickness, such as: 32 * 2, that is to say, the outer diameter is 30, the inner diameter is 26)

Q: What is the bending strength of steel pipes?: Steel pipes have the ability to withstand bending forces without breaking or permanently deforming, which is known as their bending strength. This strength can vary depending on factors like the type of steel, the grade of steel, the diameter and thickness of the pipe, and the manufacturing process. Steel pipes are highly durable and strong, making them suitable for many different uses. The bending strength of steel pipes is typically measured by the maximum bending moment or stress that the pipe can handle without failing. Engineers and manufacturers determine the bending strength of steel pipes using various testing methods, such as three-point or four-point bending tests. These tests involve applying a known force or moment to the pipe and measuring its deflection or stress response. The bending strength of steel pipes can also be affected by mechanical properties like yield strength, tensile strength, and elongation. These properties determine the overall strength and ductility of the steel, which are crucial for its bending strength. It's important to note that the bending strength can vary depending on the specific application and the load conditions. For instance, pipes used in structural or load-bearing applications may require higher bending strength than pipes used for plumbing or conveyance purposes. In conclusion, the bending strength of steel pipes is determined by factors such as the type of steel, the grade of steel, the diameter and thickness of the pipe, and the manufacturing process. Testing methods and mechanical properties are used to assess the bending strength of steel pipes, ensuring they are suitable for different uses and load conditions.

Q: What are the different types of coatings used for external protection of steel pipes?: There are several types of coatings used for external protection of steel pipes, including but not limited to: epoxy coatings, polyurethane coatings, fusion bonded epoxy (FBE) coatings, coal tar coatings, and zinc coatings. Each coating offers unique properties and benefits, such as corrosion resistance, abrasion resistance, and UV protection, to ensure the longevity and durability of the steel pipes in various environmental conditions.

Q: Why should the weak electricity be pre buried with galvanized steel pipe?: Galvanized steel pipe with hot-dip galvanizing or galvanized coating on it. Galvanizing can increase the corrosion resistance and prolong the service life of the steel pipe. The use of galvanized pipe is very wide, except for water, gas, oil and other general low pressure fluid pipeline, is used in petroleum industry especially offshore oil well pipe and oil pipe, chemical coking equipment oil heater, cooler, oil pipe exchanger for coal distillation, and support piles, Zhanqiao mine tunnel the tubes.

Q: Can steel pipes be bent or shaped?: Yes, steel pipes can be bent or shaped through various methods such as hot bending, cold bending, or using specialized machinery like pipe benders.

Q: How are steel pipes connected to other materials like concrete or plastic?: Steel pipes can be connected to other materials like concrete or plastic through various methods such as welding, flanges, threaded connections, or using specialized fittings. These connections ensure a secure and durable bond between the steel pipe and the other material, allowing for effective transfer of fluids or structural support.

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