1020 Carbon Seamless Steel Pipe ST45.8 CNBM

1020 Carbon Seamless Steel Pipe ST45.8 CNBM System 1

1020 Carbon Seamless Steel Pipe ST45.8 CNBM System 2

1020 Carbon Seamless Steel Pipe ST45.8 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 - 40 mm	Section Shape:	Round	Outer Diameter:	21.3 - 609.6 mm
		Secondary Or Not:	Non-secondary	Application:	Fluid Pipe
Technique:	Hot Rolled	Certification:	BV	Surface Treatment:	Other
Special Pipe:	Thick Wall Pipe	Alloy Or Not:	Non-alloy	Standard:	API 5L,API

Packaging & Delivery

Packaging Detail:	Standard seaworthy export packing with steel strip or with plastic clothe, or as requests from the coustomer.
Delivery Detail:	7-25 days after receiveved the deposit

Specifications

Seamless Steel Pipe
Standard:API ASTM DIN
Size:OD:21.3mm-609.6mm
WT:1mm-40mm

Mechanical properties

standard	grade	Tensile strength(MPA)	yield strength(MPA)
ASTM A106	A	≥330	≥205
	B	≥415	≥240
	C	≥485	≥275

Chemical ingredients

standard	grade	Chemical ingredients
standard	grade	C	Si	Mn	P	S	Cr	Mo	Cu	Ni	V
ASTM A106	A	≤0.25	≥0.10	0.27~0.93	≤0.035	≤0.035	≤0.40	≤0.15	≤0.40	≤0.40	≤0.08
	B	≤0.30	≥0.10	0.29~1.06	≤0.035	≤0.035	≤0.40	≤0.15	≤0.40	≤0.40	≤0.08
	C	≤0.35	≥0.10	0.29~1.06	≤0.35	≤0.35	≤0.40	≤0.15	≤0.40	≤0.40	≤0.08

Company Name	Tianjin Xinlianxin
Business Type	Manufacturer and Exporter
Product	steel pipe
Main Products and Standards
product name	Specification Range	steel Grade	Executive Standard
Structure Pipe	20mm-820mm 1/2"-32"	10,20,35,45,16Mn,A53AB	GB/T8162-1999,ASTM A53-98,ASTM500-98,ASTM 500-98,JISG3441-1998,JISG3444-1994
Pipe for Liquid Transportation	20mm-820mm 1/2"-33"	10,20,Q345(16Mn),A53AB,A192,SGP	GB/T8163-1999,ASTM A53-98,ASTM A192,JISG3452-1997
Boiler Pipe	20mm-820mm 1/2"-35"	20,20G,A179,A106B,A192,ST37.0,ST44.0,ST35.8,ST45.8,Gr320	GB3087-1999,GB5310-1995,ASTM A106,ASTM A179,ASTM A192,DIN-1629-1984,DIN17175,BS3059.1-1987

1	Product		seamless steel pipe
2	Standard	U.S.A.	ASTM A53/A106/A178/A179/A192/A210/A213/ A333/A335/A283/A135/A214/A315/A500/A501/A519/A161/A334 API 5L/5CT
		Japan	JIS G3452/G3454/G3456/G3457/G3458/G3460/3461/3462/3464
		German	DIN 1626/17175/1629-4/2448/2391/17200 SEW680
		Britain	BS 1387/1600/1717/1640/3601/3602/3059/1775
		Russia	GOST 8732/8731/3183
		China	GB/T8162/T8163 GB5310/6579/9948
3	Material Grade	U.S.A.	Gr. B/Gr.A/A179/A192/A-1/T11/T12/T22/P1/FP1/T5/4140/4130
		Japan	STPG38,STB30,STS38,STB33,STB42,STS49, STBA23,STPA25,STPA23,STBA20
		German	ST33,ST37,ST35,ST35.8,ST45,ST52,15Mo3, 13CrMo44, 1.0309, 1.0305, 1.0405
		Britain	Low, Medium, high
		Russia	10, 20, 35, 45, 20X
		China	10#, 20#, 16Mn, 20G, 15MoG, 15CrMo, 30CrMo, 42Crmo, 27SiMn, 20CrMo
4	Out Diameter		21.3mm-609.6mm
5	Wall Thickness		2.31mm-40mm
6	Length		As per customers' requirements
7	Protection		Plastic caps/ Wooden case
8	Surface		Black painting/varnished surface,anti-corrosion oil, galvanized or as per required by customer

Q: Can steel pipes be used for sewer systems?: Yes, steel pipes can be used for sewer systems. Steel pipes are commonly used in sewer systems due to their durability, strength, and resistance to corrosion. They are able to withstand the harsh conditions and high pressure of sewage flow, making them a reliable choice for sewer infrastructure.

Q: How are steel pipes used in the automotive manufacturing industry?: Steel pipes are commonly used in the automotive manufacturing industry for various purposes such as exhaust systems, chassis frames, and structural components. These pipes provide durability, strength, and resistance to corrosion, making them ideal for applications that require high performance and reliability.

Q: How do you calculate the pipe volume for steel pipes?: To calculate the volume of a steel pipe, you need to know its length and the inner diameter of the pipe. The formula to calculate the volume of a cylindrical shape, like a pipe, is V = πr^2h, where V is the volume, π is a mathematical constant approximately equal to 3.14159, r is the radius of the pipe (which is half of the inner diameter), and h is the length of the pipe. Firstly, measure the inner diameter of the pipe using a measuring tape or a caliper. Divide this value by 2 to obtain the radius. Next, measure the length of the pipe in either inches, feet, or meters. Ensure that you use the same unit of measurement for both the radius and length. Once you have the radius and length, plug them into the formula V = πr^2h. For example, let's say the inner diameter of the steel pipe is 10 inches and the length is 50 feet. First, divide the inner diameter by 2 to find the radius: 10 / 2 = 5 inches. Next, convert the length to inches: 50 feet * 12 inches/foot = 600 inches. Now, plug the values into the formula: V = 3.14159 * 5^2 * 600. Calculating the volume: V = 3.14159 * 25 * 600 = 47,123.85 cubic inches. Therefore, the volume of the steel pipe is approximately 47,123.85 cubic inches.

Q: What are the different strategies for pipe laying using steel pipes?: Various strategies exist for laying steel pipes, each tailored to specific environments and needs. Here are a few commonly used approaches: 1. Open Trench: The traditional and widely employed method involves digging a trench along the desired pipeline route. Steel pipes are then placed in the trench, aligned, and welded together. This technique allows for easy access, maintenance, and repair of the pipeline. 2. Direct Pipe: This method is utilized when the pipeline needs to pass beneath obstacles like rivers or highways. It entails drilling a borehole from one side to the other while simultaneously laying the steel pipe. The pipe is subsequently pulled through the borehole, resulting in a continuous pipeline. 3. Horizontal Directional Drilling (HDD): HDD is employed when the pipeline must be installed beneath existing infrastructure or environmentally sensitive areas. A pilot hole is drilled horizontally, and the steel pipe is then pulled through using a reaming tool. This approach minimizes surface disruption and reduces environmental impact. 4. Sliplining: This technique involves inserting a smaller diameter steel pipe into an existing larger pipe. The smaller pipe is pushed or pulled into the larger one, providing a new corrosion-resistant lining. Sliplining is commonly used for rehabilitating deteriorated or damaged pipelines. 5. Microtunneling: Similar to HDD, microtunneling employs a microtunnel boring machine (MTBM) that simultaneously excavates the soil and installs the steel pipe. This method is frequently used for precise pipe laying, particularly in urban areas with limited space. 6. Jacking: Jacking, also referred to as pipe jacking or pipe ramming, is suitable for installing steel pipes in soil conditions that are unsuitable for open trenching. Hydraulic jacks or pneumatic rams are used to push the steel pipe into the ground. Jacking is commonly employed for crossing under railways, roads, or buildings. 7. Offshore Pipeline Laying: When it comes to subsea applications, various techniques can be employed, including S-lay, J-lay, or reel-lay. These methods involve deploying the pipeline from a vessel, either vertically or at an inclined angle, and welding the steel pipes together as they are lowered to the seabed. Each strategy possesses unique advantages and considerations, depending on factors such as terrain, environmental impact, existing infrastructure, and project requirements. It is crucial to thoroughly assess these factors and select the most appropriate pipe laying strategy to ensure the safe and efficient installation of steel pipes.

Q: How much is the wall thickness standard of building 48?: According to the "construction of fastener type steel pipe scaffold safety technical specifications JGJ130-2011" stipulates that the specification of steel pipe should be Phi 48.3 * 3.6, that is, wall thickness is 3.6mm.

Q: How do steel pipes handle pressure surges?: Steel pipes possess exceptional strength and durability, enabling them to effectively manage pressure surges. When pressure surges arise within a pipeline system, steel pipes exhibit the capability to withstand and absorb heightened forces without experiencing breakage or rupture. The commendable tensile strength of steel grants resistance against the pressure imposed upon the pipes, preventing deformation or collapse during sudden surges. Furthermore, steel pipes possess a commendable burst pressure rating, signifying their capacity to endure substantial pressure increases without succumbing to failure. Additionally, steel pipes are frequently engineered with thicker walls, bolstering their capacity to handle pressure surges. The increased wall thickness assists in distributing the augmented force evenly, thereby minimizing the possibility of localized stress and potential points of failure. Moreover, steel pipes are frequently employed in conjunction with fittings and valves specially designed to tackle pressure surges. These fittings and valves are composed of similar materials, ensuring compatibility and preserving the integrity of the pipeline system. All in all, steel pipes are excellently suited to manage pressure surges due to their strength, durability, and ability to endure high pressures. Their resistance to deformation, notable burst pressure rating, and compatibility with specialized fittings and valves render them a dependable choice for applications where pressure surges may arise.

Q: Can steel pipes be used for underground geothermal systems?: Yes, steel pipes can be used for underground geothermal systems. Steel pipes are commonly used in geothermal applications due to their durability, strength, and resistance to corrosion. They can withstand high temperatures and pressures associated with geothermal systems, making them suitable for underground installations. Additionally, steel pipes are readily available and cost-effective, making them a popular choice in geothermal projects.

Q: Are steel pipes suitable for underground installations in areas with high moisture content?: Steel pipes are generally suitable for underground installations in areas with high moisture content. However, there are certain factors to consider when using steel pipes in such conditions. Corrosion is a major concern when steel pipes are exposed to moisture for extended periods. To mitigate this risk, it is important to use steel pipes that are specifically designed for underground installations and are coated with protective materials such as epoxy or polyethylene. These coatings act as a barrier between the steel and the surrounding moisture, preventing corrosion and extending the lifespan of the pipes. Additionally, proper installation techniques, including adequate pipe bedding and backfilling, should be followed to ensure the pipes are properly supported and protected from external forces. Regular inspection and maintenance are also recommended to identify any signs of corrosion or damage and address them promptly. Overall, with the right precautions and maintenance, steel pipes can be a suitable choice for underground installations in areas with high moisture content.

Q: What is the difference between steel pipes and fiberglass-reinforced pipes?: The main difference between steel pipes and fiberglass-reinforced pipes lies in their composition and structural properties. Steel pipes are made primarily of iron and carbon, which provide high strength and durability. On the other hand, fiberglass-reinforced pipes consist of a composite material that combines a resin matrix with glass fibers, offering excellent corrosion resistance and high tensile strength. Additionally, steel pipes are heavier and require more maintenance, while fiberglass-reinforced pipes are lighter, easier to install, and have a longer lifespan.

Q: Can steel pipes be used for transporting chemicals?: Yes, steel pipes can be used for transporting chemicals. Steel pipes are known for their strength and durability, making them suitable for various applications, including the transportation of chemicals. Additionally, steel pipes are resistant to corrosion, which is crucial when dealing with potentially corrosive substances. However, it is important to ensure that the specific type of steel used in the pipes is compatible with the chemicals being transported to prevent any reactions or contamination.

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