• Seamless Steel Pipe With Best Quality And High Quality GB5310 System 1
  • Seamless Steel Pipe With Best Quality And High Quality GB5310 System 2
  • Seamless Steel Pipe With Best Quality And High Quality GB5310 System 3
  • Seamless Steel Pipe With Best Quality And High Quality GB5310 System 4
Seamless Steel Pipe With Best Quality And High Quality GB5310

Seamless Steel Pipe With Best Quality And High Quality GB5310

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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
25 m.t
Supply Capability:
9000 m.t/month

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1Structure of Seamless Pipe GB5310: 

Seamless pipe is formed by drawing a solid billet over a piercing rod to create the hollow shell. As the manufacturing process does not include any welding, seamless pipes are perceived to be stronger and more reliable. Historically seamless pipe was regarded as withstanding pressure better than other types, and was often more easily available than welded pipe.

 

Standard: GB5310: Seamless Steel Tubes And Pipes for High Pressure Boiler
● Application: For manufacture heating-pipelines, containers, coal-saving devices, super heaters and reheaters
of high pressure boilers(P>9.8Mpa,450℃<T<650℃)
● Steel Grade: 20G、20MnG、15MnG、15MnG、12Cr2MnG、12Cr1MoVG (etc),Other grade can also be provided
after consulting with customers.

 

2‍‍Main Features of the Seamless PipeGB5310:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3Seamless Pipe GB5310 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 Seamless Pipe GB5310:  

①How 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.

②How 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.

③Why 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.

 

6‍‍Seamless Pipe GB53103Images ‍‍

 

Seamless Steel Pipe With Best Quality And High Quality GB5310

Seamless Steel Pipe With Best Quality And High Quality GB5310

Seamless Steel Pipe With Best Quality And High Quality GB5310

 

Q: How do you calculate the pipe flow velocity coefficient for steel pipes?
The pipe flow velocity coefficient for steel pipes can be calculated using the Manning's equation. Manning's equation is used to calculate the flow velocity in open channels and pipes, and it takes into account the hydraulic radius, slope, and roughness coefficient of the pipe. To calculate the pipe flow velocity coefficient for steel pipes, follow these steps: 1. Determine the hydraulic radius (R) of the steel pipe. The hydraulic radius is calculated by dividing the cross-sectional area of the pipe (A) by the wetted perimeter (P). The formula is R = A/P. 2. Find the slope (S) of the pipe. The slope represents the change in elevation divided by the length of the pipe. It is usually given as a ratio or a percentage. 3. Determine the roughness coefficient (n) of the steel pipe. The roughness coefficient represents the internal roughness of the pipe and can be obtained from literature or pipe manufacturer specifications. It is commonly given in terms of the Manning's roughness coefficient. 4. Substitute the values of hydraulic radius (R), slope (S), and roughness coefficient (n) into the Manning's equation: V = (1/n) * R^(2/3) * S^(1/2) where V is the flow velocity. 5. Solve the equation for V to calculate the pipe flow velocity coefficient for steel pipes. It is important to note that the calculated velocity coefficient may vary based on the specific pipe dimensions, flow conditions, and other factors. Therefore, it is recommended to consult relevant engineering standards or consult with a hydraulic engineer to ensure accurate and reliable calculations for specific applications.
Q: How are steel pipes used in the manufacturing of scaffolding?
Steel pipes are used in the manufacturing of scaffolding as they provide a sturdy and reliable structure for supporting workers and materials at various heights. These pipes are often used as the main framework, providing the necessary strength and stability required for safe and efficient construction work.
Q: Can steel pipes be used for solar power systems?
Indeed, solar power systems can utilize steel pipes. In the realm of solar power systems, steel pipes find widespread usage in diverse applications such as constructing support structures, mounting systems, and piping systems for circulating heat transfer fluids. The reason behind the preference for steel pipes lies in their robustness, longevity, and ability to withstand various environmental conditions. These pipes possess the capability to bear the weight of solar panels and support structures, as well as endure the impact of wind and other external elements. Moreover, steel pipes can be easily tailored and welded to cater to specific project requirements. All in all, when it comes to solar power systems, steel pipes emerge as a dependable and cost-efficient alternative.
Q: Stainless steel tube, also known as why tube?
It can be divided into round tube and special-shaped tube according to the cross sectional shapeThe special-shaped tube has a rectangular tube, a rhombus tube, an elliptical tube, six square tubes, eight square tubes, various cross section asymmetric pipes, etc.
Q: Can steel pipes be insulated for thermal efficiency?
Steel pipes can indeed be insulated to enhance their thermal efficiency. By insulating steel pipes, heat loss or gain can be minimized, depending on the specific purpose. Typically, the insulation material is wrapped around the pipes, creating a protective barrier. This barrier effectively prevents heat transfer between the pipes and the surrounding environment. As a result, the energy required to heat or cool the fluid flowing through the pipes is significantly reduced, leading to improved energy efficiency. This practice is widely employed in industries such as HVAC, oil and gas, and industrial processes, where precise temperature control is crucial. Moreover, insulation also serves to prevent condensation and corrosion on the outer surface of the pipes. All in all, insulating steel pipes is a cost-effective measure that enhances thermal efficiency and reduces energy consumption.
Q: How are steel pipes insulated to prevent heat gain?
Steel pipes are typically insulated using materials such as fiberglass, foam, or mineral wool. These insulation materials are wrapped around the steel pipes to create a barrier that reduces heat transfer. The insulation helps to prevent heat gain by minimizing thermal conductivity and keeping the temperature of the pipes stable, which is crucial for maintaining the integrity and efficiency of various industrial processes.
Q: What are the different methods of insulation for steel pipes?
There are several methods of insulating steel pipes, including applying a thermal insulation coating, using pipe wraps or jackets, using foam insulation, or utilizing heat shrink sleeves.
Q: How are steel pipes specified in engineering drawings?
Steel pipes are typically specified in engineering drawings by indicating their diameter, wall thickness, material grade, and length. Additional specifications may include the type of connection or joining method, surface finish requirements, and any specific standards or codes that need to be followed.
Q: How are steel pipes used in the construction of oil and gas pipelines?
Steel pipes are commonly used in the construction of oil and gas pipelines due to their high strength, durability, and resistance to corrosion. These pipes are employed to transport crude oil and natural gas from extraction sites to refineries and distribution centers. They provide a reliable and efficient means of transporting these valuable resources over long distances, ensuring a safe and secure supply of energy. Additionally, steel pipes are capable of withstanding high pressure and extreme temperature conditions, making them suitable for the demanding environment of oil and gas transportation.
Q: Are steel pipes suitable for industrial applications?
Yes, steel pipes are highly suitable for industrial applications. Steel pipes offer several advantages that make them the preferred choice for various industries. Firstly, steel pipes have excellent strength and durability, making them capable of withstanding high pressure and heavy loads. This makes them ideal for applications involving transportation of liquids, gases, and solids. Additionally, steel pipes have a high resistance to corrosion, which is crucial in industrial environments where exposure to harsh chemicals, moisture, and extreme temperatures is common. The corrosion-resistant properties of steel pipes ensure a longer lifespan and reduce the need for frequent maintenance and replacements. Moreover, steel pipes have a smooth interior surface, which minimizes friction and allows for efficient flow of materials. This is especially important for industries such as oil and gas, where the smooth flow of fluids is essential for proper operations. Furthermore, steel pipes are available in a wide range of sizes and thicknesses, allowing for customization and flexibility in design. They can be easily welded and connected, enabling easy installation and modification as per the specific requirements of industrial applications. Overall, steel pipes offer a combination of strength, durability, corrosion resistance, and versatility, making them highly suitable and widely used in various industrial applications such as oil and gas, construction, water treatment, power generation, and chemical processing.

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