1020 Carbon Seamless Steel Pipe A135 CNBM

1020 Carbon Seamless Steel Pipe A135 CNBM System 1

1020 Carbon Seamless Steel Pipe A135 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:How do you calculate the pipe pressure drop coefficient for steel pipes?: To calculate the pipe pressure drop coefficient for steel pipes, you can use the Darcy-Weisbach equation. This equation relates the pressure drop in a pipe to various factors such as the flow rate, pipe diameter, pipe length, and the properties of the fluid being transported. The pressure drop coefficient, also known as the friction factor or the Darcy-Weisbach friction factor, is denoted by the symbol f. It is a dimensionless parameter that represents the resistance to flow in the pipe. The value of f depends on the flow regime, which can be laminar or turbulent. For laminar flow, which occurs at low flow rates or with viscous fluids, the pressure drop coefficient can be calculated using the Hagen-Poiseuille equation. This equation relates the pressure drop to the fluid viscosity, pipe length, pipe diameter, and flow rate. However, for turbulent flow, which occurs at higher flow rates, the calculation of the pressure drop coefficient is more complex. It depends on the roughness of the pipe wall, which affects the flow resistance. The roughness is typically quantified using the relative roughness, which is the ratio of the pipe wall roughness to the pipe diameter. To calculate the pressure drop coefficient for turbulent flow in steel pipes, you can use empirical correlations or Moody's diagram. Moody's diagram provides a graphical representation of the friction factor as a function of the Reynolds number and the relative roughness. The Reynolds number represents the flow regime and is calculated using the fluid properties, flow rate, and pipe dimensions. By finding the intersection of the Reynolds number and relative roughness on Moody's diagram, you can determine the corresponding pressure drop coefficient. It's important to note that the pressure drop coefficient for steel pipes may vary depending on the specific pipe dimensions, surface roughness, and fluid properties. Therefore, it is recommended to consult relevant standards or engineering references for accurate and up-to-date values of the pressure drop coefficient for steel pipes in your specific application.

Q:Can steel pipes be used for transporting gases?: Yes, steel pipes can be used for transporting gases. Steel pipes are commonly used for gas transportation due to their high strength, durability, and resistance to corrosion. They can effectively withstand high pressure and temperature conditions, making them a reliable choice for gas transmission systems.

Q:How do you cut steel pipes?: One common method to cut steel pipes is by using a hacksaw or a reciprocating saw fitted with a metal-cutting blade. However, for larger and thicker pipes, professionals often employ specialized tools such as a pipe cutter or a plasma cutter, which offer more precision and efficiency.

Q:How are steel pipes used in agriculture?: Various purposes in agriculture make steel pipes widely used, with one common application being irrigation systems. These pipes, known for their durability and ability to withstand water pressure, transport water from wells or reservoirs to different areas of farms, enabling efficient water distribution over long distances. Furthermore, steel pipes find utility in agricultural drainage systems. By removing excess water from fields, they prevent waterlogging and ensure proper drainage. Their resistance to corrosion is particularly significant in agricultural settings, where exposure to moisture and various chemicals is common. Moreover, steel pipes serve a vital purpose in the construction of greenhouse structures. They provide structural support for the greenhouse framework and facilitate the installation of irrigation systems and other equipment. The strength and sturdiness of steel pipes enable them to withstand harsh weather conditions, making them an ideal choice for greenhouse construction. Additionally, livestock farming benefits from the use of steel pipes. They are frequently employed in the creation of fences and enclosures for animals, providing a secure and long-lasting barrier. Steel pipes also play a crucial role in the construction of animal shelters and barns. To summarize, steel pipes play a crucial and versatile role in agriculture. They are integral components in irrigation systems, drainage systems, greenhouse construction, and livestock farming. Thanks to their durability, strength, and resistance to corrosion, steel pipes are an excellent choice for a wide range of agricultural applications.

Q:Where is the difference between seamless steel pipe and welded pipe?: The steel tube is a hollow steel strip, used as pipe conveying fluid, such as oil, gas, water, gas, steam, in addition, the bending and torsional strength of the same, the weight is light, so it is widely used in the manufacture of machinery parts and engineering structures. It is also used to produce all kinds of conventional weapons, guns, shells and so on.Pipe classification: steel pipe seamless steel pipe and welded steel pipe (tube) two categories. It can be divided into round tube and special-shaped tube according to the sectional shape. The round steel tube is widely used, but there are some special-shaped steel tubes such as square, rectangle, semicircle, hexagon, equilateral triangle and octagon.

Q:How are steel pipes used in water transportation?: Steel pipes are commonly used in water transportation as they are durable, strong, and resistant to corrosion. These pipes are used to transport water from sources such as reservoirs, treatment plants, or wells to different areas for domestic, industrial, or agricultural purposes. Steel pipes ensure the safe and efficient flow of water, preventing leakage and contamination, and are often buried underground or used in above-ground pipelines for long-distance water transportation.

Q:What are the different types of steel pipe coatings for corrosion protection?: Some of the different types of steel pipe coatings for corrosion protection include epoxy coatings, polyethylene coatings, zinc coatings, and coal tar enamel coatings.

Q:What are the different methods of pipe joining using steel pipes?: There are multiple ways to connect steel pipes, each with its own pros and cons. 1. Threaded and coupled: This method includes threading the ends of the steel pipes and using couplings to connect them. It is a cost-effective option, but not suitable for high-pressure or gas applications. 2. Welding: Welding is a popular choice for joining steel pipes. It involves heating the pipe ends and fusing them together through welding. This method creates a strong and leak-proof joint, but it requires skilled labor and can be time-consuming. 3. Grooved: This method involves grooving the ends of the steel pipes and connecting them using mechanical couplings or fittings. It is a reliable and fast option suitable for both high and low-pressure applications, but it requires specialized tools and equipment. 4. Flanged: Flanged joints connect steel pipes using flanges, which are discs with bolt holes. The pipes are aligned and bolted together with gaskets to ensure a secure connection. This method is commonly used for large pipes and high-pressure applications, but it can be expensive and time-consuming to install. 5. Compression: Compression fittings are used to join steel pipes by compressing a ferrule or sleeve against the pipe. This method is quick, easy, and doesn't require special tools. However, it is not suitable for high-pressure or high-temperature applications. 6. Brazing: Brazing involves heating the pipe ends and melting a filler material between them to create a joint. It is a reliable method for HVAC and refrigeration systems, but it requires skilled labor and precise temperature control. When selecting the appropriate method for joining steel pipes, it is crucial to consider the specific requirements of the application, such as pressure, temperature, and material compatibility.

Q:How are steel pipes inspected for quality control?: Steel pipes are inspected for quality control through various methods such as visual inspection, non-destructive testing techniques like ultrasonic testing, magnetic particle inspection, and radiographic testing. These methods help detect any surface defects, cracks, or internal flaws in the pipes, ensuring their quality and reliability.

Q:Are steel pipes suitable for desalination plants?: Desalination plants can benefit greatly from the use of steel pipes. These pipes possess a variety of advantages that make them an ideal option for such facilities. Firstly, their resistance to corrosion is of utmost importance in desalination plants, where saltwater can be highly corrosive. The fact that steel pipes can withstand such corrosive conditions ensures the durability and longevity of the infrastructure, ultimately reducing maintenance and replacement expenses. Secondly, steel pipes exhibit remarkable strength, enabling them to withstand high-pressure situations commonly encountered in desalination plants. The ability of steel pipes to handle intense water flow without deformation or leakage guarantees the efficient and dependable operation of the desalination process. Moreover, steel pipes boast excellent heat resistance properties, rendering them suitable for desalination plants that engage in heat-intensive procedures like distillation or reverse osmosis. These pipes can endure high temperatures without suffering any structural damage, ensuring the secure and efficient transfer of heated water or steam. Furthermore, steel pipes are readily available and come in a wide range of sizes and specifications, allowing for flexibility in the design and construction of desalination plants. This availability and versatility make steel pipes a cost-effective choice for desalination projects. Overall, due to their resistance to corrosion, high strength, heat resistance, availability, and cost-effectiveness, steel pipes are highly suitable for desalination plants and are extensively used in the industry.

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