• China manufacturer carbon steel seamless pipe, ASTM A106/A53/ API5L seamless steel pipe System 1
  • China manufacturer carbon steel seamless pipe, ASTM A106/A53/ API5L seamless steel pipe System 2
  • China manufacturer carbon steel seamless pipe, ASTM A106/A53/ API5L seamless steel pipe System 3
China manufacturer carbon steel seamless pipe, ASTM A106/A53/ API5L seamless steel pipe

China manufacturer carbon steel seamless pipe, ASTM A106/A53/ API5L seamless steel pipe

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
20000 m.t./month

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1Structure of API 5L carbon seamless pipe: 

Chemical composition and mechanical property

 

 

A106: Chemical components and mechanical property

STD 

Trade mark 

CHEMICAL COMPONENT

MECHANICAL PROPERTY

 C

Si

Mn

P,S

 Cu

 Ni

 Mo

 Cr

 V

Tensile Strength(Mpa)

Yield 

 Elongation

Strength(Mpa)

 ASTM 

 ≤0.30

 ≥0.10

0.29-1.06 

≤0.035 

≤0.40 

 ≤0.40

≤0.15 

≤0.40 

≤0.08 

≥415 

≥240

≥30  

A106

C

≤0.35 

 ≥0.10

 0.29-1.06

≤0.035 

≤0.40 

≤0.40 

≤0.15 

 ≤0.40

≤0.08   

≥485  



 


 

2‍‍Main Features of API 5L carbon seamless pipe:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3API 5L carbon seamless pipe Specification

Standard

GB, DIN, ASTM

ASTM A106-2006, ASTM A53-2007

Grade

10#-45#, 16Mn

10#, 20#, 45#, 16Mn

Thickness

8 - 33 mm

Section Shape

Round

Outer Diameter

133 - 219 mm

Place of Origin

Shandong, China (Mainland)

Secondary Or Not

Non-secondary

Application

Hydraulic Pipe

Technique

Cold Drawn

Certification

API

Surface Treatment

factory state or painted black

Special Pipe

API Pipe

Alloy Or Not

Non-alloy

Length

5-12M

Outer Diameter

21.3-610mm

Grade 

20#, 45#, Q345, API J55, API K55, API L80, API N80, API P110, A53B

Standard

ASME, ASTM

 

1) Material:20#(ASTM A 106/A53 GRB.API5LGRB,GB),45#,16Mn,10#.

2) Specification range:OD:21.3-610mm,WT:6-70mm,length:6-12m or according to the requirement of clients.

3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above standards,we can also supply seamless steel pipe with standard of DIN,JIS,and so on,and also develop new products according to the requirements of our clients!
4) Surface:black lacquered,varnish coating or galvanized.
5) Ends:Beveled or square cut,plastic capped,painted.
6) Packing:bundles wrapped with strong steel strip,seaworthy packing. 

 

 

4Packaging & Delivery

Packaging Details:

seaworthy package,bundles wrapped with   strong steel strip

Delivery Detail:

15-30days after received 30%TT

 

5FAQ of API 5L carbon seamless pipe:  

How is the quality of your products?
    Our products are manufactured strictly according to national and internaional standard, and we take a test 
on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.

How about price?
    Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.

Why should you chose us?
    Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.

 

6、‍‍API 5L carbon seamless pipe Images ‍‍

China manufacturer carbon steel seamless pipe, ASTM A106/A53/ API5L seamless steel pipe

China manufacturer carbon steel seamless pipe, ASTM A106/A53/ API5L seamless steel pipe

China manufacturer carbon steel seamless pipe, ASTM A106/A53/ API5L seamless steel pipe


Q: How do you calculate the pipe volume flow rate for steel pipes?
In order to determine the volume flow rate of steel pipes, one must take into account the diameter of the pipe and the velocity of the fluid. The formula utilized in this calculation is Q = A * V, where Q represents the volume flow rate, A denotes the cross-sectional area of the pipe, and V represents the fluid velocity. To initiate the process, the cross-sectional area of the pipe must be determined. In the case of a circular pipe, the formula A = π * r² can be employed, where A signifies the area and r denotes the radius of the pipe. If the diameter of the pipe is provided, dividing it by 2 will yield the radius. Subsequently, the fluid velocity must be established. This can be accomplished by directly measuring the velocity using a flowmeter or by calculating it based on the properties of the fluid and the pressure drop across the pipe using the Bernoulli equation or other suitable equations. Once the cross-sectional area and fluid velocity have been determined, they can be multiplied together to ascertain the volume flow rate. It is important to maintain consistent units throughout the calculation. For instance, if the area is expressed in square meters and the velocity is in meters per second, the resulting volume flow rate will be in cubic meters per second. It is worth noting that this calculation assumes the fluid to be incompressible and flowing steadily through the pipe. If there are alterations in the fluid properties or flow conditions, additional considerations may need to be taken into account in order to accurately calculate the volume flow rate.
Q: What are the factors that affect the lifespan of steel pipes in different environments?
The factors that affect the lifespan of steel pipes in different environments include the presence of corrosive substances, such as chemicals or saltwater, which can corrode the steel and lead to degradation over time. Other factors include temperature fluctuations, which can cause expansion and contraction of the steel, leading to stress and potential cracking. The quality of the protective coating on the pipes also plays a role, as a strong and durable coating can provide better resistance against corrosion and prolong the lifespan of the pipes. Additionally, the maintenance and regular inspection of the pipes, including cleaning and repairs, can help identify and address any issues early on, preventing further damage and extending their lifespan.
Q: What is the difference between hot-rolled and cold-rolled steel pipes?
Hot-rolled steel pipes are produced at high temperatures and have a rougher surface finish. They are known for their flexibility and are often used in applications that require bending or shaping. On the other hand, cold-rolled steel pipes are produced at lower temperatures and undergo additional processing to achieve a smoother surface finish. They are generally stronger and more precise in dimensions, making them suitable for applications that require high precision and strength.
Q: How are steel pipes used in the oil and gas industry?
Steel pipes are widely used in the oil and gas industry for various purposes. They are primarily used for transporting and distributing oil and gas from extraction sites to refineries and end consumers. Steel pipes are also used in drilling operations, where they are utilized as casing and tubing to extract oil and gas from wells. Additionally, steel pipes are employed in the construction of storage tanks, pipelines, and other infrastructure required for the production, processing, and transportation of oil and gas. Overall, steel pipes play a crucial role in ensuring the efficient and safe operation of the oil and gas industry.
Q: How are steel pipes used in the mining and mineral processing industry?
Steel pipes are commonly used in the mining and mineral processing industry for various purposes such as transporting liquids, gases, and slurries, as well as providing structural support for mining infrastructure. These pipes are highly durable and resistant to corrosion, making them suitable for harsh and demanding environments. They are used for tasks such as transporting water for mining operations, carrying tailings and waste materials, and conveying mining chemicals. Additionally, steel pipes are utilized in the construction of mine shafts, tunnels, and processing plants, providing a strong and reliable framework for mining operations.
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 conveying oil?
Steel pipes are suitable for the transportation of oil. In the oil and gas industry, steel pipes are widely utilized for the conveyance of oil due to their robustness, longevity, and resistance to corrosion. The exceptional strength of steel pipes enables them to endure the demanding conditions of high pressure and temperature that often accompany oil transportation. Furthermore, steel pipes are less susceptible to leakage and damage in comparison to alternative materials, thus making them a dependable choice for the efficient transfer of oil over extensive distances. Moreover, the sleek interior surface of steel pipes aids in reducing friction and improving the oil flow. Overall, steel pipes are the preferred option for oil transportation owing to their superior mechanical properties and enduring performance.
Q: Are there specifications for scaffold steel pipe with 48mm * 3.2mm?
Previously used steel pipe GB 51*3.0mm, the latest national standard JGJ130-2001 stipulates that the use of steel pipe for construction projects need to be 48*3.5mm specifications, the wall thickness should be 3.5mm square for qualified products.
Q: Are steel pipes recyclable?
Yes, steel pipes are recyclable. Steel is a highly recyclable material and can be melted down and repurposed into new steel products, including pipes. Recycling steel pipes helps conserve natural resources and reduces the need for new steel production.
Q: What are the environmental impacts of steel pipe manufacturing?
The environmental impacts of steel pipe manufacturing include the extraction of raw materials such as iron ore and coal, leading to habitat destruction and increased carbon emissions. The manufacturing process itself involves high energy consumption and releases greenhouse gases, contributing to climate change. Additionally, the disposal of waste materials and chemicals used during production can contaminate soil and water sources if not handled properly. Overall, steel pipe manufacturing has significant environmental implications that need to be addressed through sustainable practices and technologies.

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