Seamless Boiler Tube

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

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Supply Capability:: 15000 m.t./month

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Product Descriptions :Seamless Boiler Tube

1.O.D:13.7mm~610mm
2.W.T:2.34mm~30mm
3.Length:5-11.8m
4.Certificate:API 5L,BV

Description	Size		Typical Steel Grade	Standards	Typical Applications
	OD（mm）	WT（mm）
Medium and low pressure boiler tube and pipe	14~720	2.0~120	10	GB 3087	Wall tube, header, steam pipe formedium and low pressure boiler tube and pipe
			20
High pressure boiler tube and pipe	14~720	2.0~120	20G, 25MnG, 15MoG 12CrMoG, 15CrMoG 12Cr2MoG, 12Cr1MoVG	GB 5310	Wall tube,header, Steam pipe under the working pressure ≥9.8MPa, Temperature 450~650℃
			SA106A/B/C	ASME SA106
			SA179	ASME SA179
			SA192	ASME SA192
			T1/T1a	ASME SA209
			SA210A1/C	ASME SA210
			T2/P2, T5/P5, T9/P9, T11/P11 , T12/P12, T22/P22, T91/P91	ASME SA213 ASME SA335
			P195/235/265GH, 16Mo3 13CrMo4-5, 10CrMo9-10 15NiCuMoNb5-6-4	EN 10216
			St35.8、St45.8, 15Mo3, 13CrMo44, 10CrMo910	DIN 17175
			STPG370, STPG 410	JIS G 3454
			STPT370, STPT 410	JIS G 3456
			STBA12, STBA22,	JIS G 3462

Dalipal Company is one of the most famous enterprises of china professionally producing pipeline and oil casing.We can supply API 5CT series of pipeline and oil casing with all kinds of specifications and materials.We have first-class production equipment and technology.

Q:What is the shear strength of steel pipes?: The shear strength of steel pipes can vary depending on various factors such as the grade of steel, size and thickness of the pipe, and any additional treatments or coatings applied. Generally, the shear strength of steel pipes is high due to the inherent strength of steel, making them suitable for various structural and industrial applications.

Q:What is the maximum temperature that steel pipes can withstand?: The maximum temperature that steel pipes can withstand depends on the grade and type of steel used. Generally, carbon steel pipes can withstand temperatures up to 1000°C (1832°F), while stainless steel pipes can handle temperatures up to 1200°C (2192°F). However, it is essential to consult the specific specifications and guidelines provided by the manufacturer for accurate temperature limits.

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:What are the common grades of steel used in pipes?: The common grades of steel used in pipes include ASTM A53, ASTM A106, and API 5L.

Q:How do steel pipes handle thermal expansion and contraction?: The unique properties and design of steel pipes enable them to handle thermal expansion and contraction. When exposed to high temperatures, steel pipes expand as the molecules in the material gain energy and become more active. Conversely, when exposed to low temperatures, steel pipes contract as the molecules lose energy and become less active. To accommodate these changes, steel pipes are manufactured with specific features. One such feature is the inclusion of clearance between pipe joints. This clearance allows for expansion and contraction without causing stress or deformation in the pipe. Additionally, expansion joints or flexible connectors are used within the piping system to absorb thermal movements and prevent damage. Moreover, steel pipes are commonly installed with appropriate anchoring and support systems. These systems are designed to allow the pipes to expand and contract within a certain range without exerting excessive stress or strain on the structure or surrounding components. Anchoring and support systems also help maintain the overall stability and integrity of the piping system. In certain cases, thermal insulation materials are applied to steel pipes to minimize temperature changes and mitigate the effects of expansion and contraction. These insulating materials assist in maintaining a consistent temperature within the pipe, thereby reducing the magnitude of thermal movements. Overall, due to their inherent strength and flexibility, steel pipes are well-equipped to handle thermal expansion and contraction. With proper design, installation, and maintenance, steel pipes can effectively accommodate temperature changes without compromising their structural integrity or functionality.

Q:How are steel pipes used in the infrastructure development?: Steel pipes are widely used in infrastructure development for various purposes such as water supply, sewage systems, gas pipelines, and transportation of oil and natural gas. They provide a durable and efficient solution for the construction of underground and aboveground infrastructure, ensuring the safe and reliable transportation of fluids and gases. Steel pipes are also used in the construction of bridges, buildings, and other structural components, as they offer strength, versatility, and resilience to withstand harsh environmental conditions.

Q:Are steel pipes suitable for use in food processing industries?: Yes, steel pipes are suitable for use in food processing industries. Steel pipes are known for their durability, strength, and resistance to corrosion, making them ideal for handling food products. They are also easy to clean and maintain, ensuring proper hygiene standards in the food processing industry. Additionally, steel pipes are capable of withstanding high temperatures and pressures, making them suitable for various food processing applications such as transporting liquids, gases, and solids.

Q:What are the common welding techniques used for steel pipes?: The common welding techniques used for steel pipes include shielded metal arc welding (SMAW), gas tungsten arc welding (GTAW), gas metal arc welding (GMAW), and flux-cored arc welding (FCAW). These techniques are widely used in various industries for joining steel pipes due to their efficiency, reliability, and ability to produce strong and durable welds.

Q:What are the different methods of measuring the thickness of steel pipes?: There are several methods of measuring the thickness of steel pipes. One common method is using ultrasonic thickness gauges, which send high-frequency sound waves through the pipe and measure the time it takes for the waves to bounce back. Another method is through magnetic induction, which uses a magnetic field to determine the thickness based on the changes in the field caused by the pipe's thickness. Additionally, there are mechanical methods such as using calipers or micrometers to directly measure the thickness of the pipe.

Q:How are steel pipes used in bridge construction?: Steel pipes are commonly used in bridge construction as structural elements to provide support and stability. They are often used as piers, piles, or columns to bear the weight of the bridge and transfer it to the ground. Steel pipes are also utilized in the construction of bridge decks and railings. Their strength, durability, and versatility make them essential components in bridge engineering.

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