• Seamless Pipe for Pressure Purpose(ASME/ASTM A333) System 1
  • Seamless Pipe for Pressure Purpose(ASME/ASTM A333) System 2
  • Seamless Pipe for Pressure Purpose(ASME/ASTM A333) System 3
  • Seamless Pipe for Pressure Purpose(ASME/ASTM A333) System 4
Seamless Pipe for Pressure Purpose(ASME/ASTM A333)

Seamless Pipe for Pressure Purpose(ASME/ASTM A333)

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Loading Port:
China Main Port
Payment Terms:
TT or LC
Min Order Qty:
30 m.t.
Supply Capability:
12000 m.t./month

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Seamless pipe for pressure purpose

Standard Specification: DIN1629

●Steel grades, Chemical composition and Mechanical properties

 

1Structure of Seamless Pipe DIN1629

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.

 

2‍‍Main Features of the Seamless Pipe  DIN1629:

1) Material:20#( DIN1629),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. 

 

3Seamless Pipe  DIN1629 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

  

 

4Packaging & Delivery

Packaging Details:

seaworthy package,bundles wrapped with strong steel strip

Delivery Detail:

15-30days after received 30%TT

 

5FAQ of Seamless Pipe DIN1629:

 

Q1: Why buy Materials & Equipment from OKorder.com?

A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.

 

Q2: How do we guarantee the quality of our products?

A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.

 

Q3: How soon can we receive the product after purchase?

A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.

 

 Q4:How about price?
 A4:   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.

Q5:Why should you chose us?
 A4: 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  DIN1629 Images ‍‍

 

 

Q:How do steel pipes compare to other materials like PVC or copper?
Steel pipes are known for their exceptional strength and durability, making them suitable for various applications. Compared to materials like PVC or copper, steel pipes offer higher resistance to corrosion, fire, and extreme temperatures. They also have a longer lifespan and can withstand high pressure and heavy loads. However, steel pipes are generally more expensive and require regular maintenance to prevent rusting. PVC pipes, on the other hand, are more affordable, lightweight, and easy to install, but they are less durable and have lower temperature resistance. Copper pipes are known for their excellent heat conductivity and resistance to corrosion, but they are more expensive and can be prone to theft. Ultimately, the choice between steel, PVC, or copper pipes depends on the specific requirements of the project and the budget.
Q:Can steel pipes be used for irrigation pumps?
Yes, steel pipes can be used for irrigation pumps. Steel pipes are commonly used in irrigation systems due to their durability, strength, and resistance to corrosion. They can handle the high pressures and flow rates required for efficient irrigation, making them a suitable choice for connecting and transporting water from irrigation pumps.
Q:Fastener type steel pipe scaffold steel pipe wall thickness
The scaffold steel pipe shall be made of 48.3 * 3.6 steel tube. The maximum mass of each steel tube shall not be greater than 25.8kg.Fastener type steel pipe scaffold: for building construction and build, bear the load by the fastener and steel pipe and other scaffolding and support frame, collectively referred to as scaffolding. The fastener is a fastening piece which is fastened by bolts.
Q:How are steel pipes used in power plants?
Power plants rely heavily on the extensive use of steel pipes for a variety of purposes. When it comes to transporting fluids and gases, steel pipes are the go-to choice. They effectively carry water, steam, and fuel (like oil or gas) throughout the power plant. The reason steel pipes are so widely used for this purpose is because of their exceptional strength and durability. They can withstand the high pressures and temperatures found in power plants without faltering. Another crucial role steel pipes play in power plants is in the boilers. They are an integral part of the boiler system, responsible for the transportation of hot gases and steam. These pipes are specifically designed to endure extreme heat and pressure, ensuring the safe and efficient operation of the boiler. Moreover, steel pipes are utilized in the cooling systems of power plants. They facilitate the circulation of water to cool down essential equipment such as turbines and condensers. These pipes are built to withstand corrosion caused by the cooling water, all while maintaining the required flow rate and pressure. Additionally, steel pipes find their place in the construction of power plant structures. They are extensively used for fabricating support structures like frames, platforms, and walkways. Steel pipes possess excellent structural integrity and can bear heavy loads, making them the perfect choice for these applications. In conclusion, steel pipes fulfill a crucial role in power plants by efficiently transporting fluids and gases, serving as an essential component of the boiler system, facilitating cooling processes, and providing structural support. Their strength, durability, and resistance to extreme conditions make them indispensable in the operation of power plants.
Q:How are steel pipes inspected for defects?
Steel pipes are typically inspected for defects using various non-destructive testing methods such as ultrasonic testing, magnetic particle inspection, and visual inspection. These techniques help identify any cracks, corrosion, or other defects in the pipes, ensuring their structural integrity and quality.
Q:Are steel pipes resistant to UV radiation?
Generally, steel pipes have resistance to UV radiation. UV radiation is known to cause damage to materials over time, resulting in fading, discoloration, and degradation. However, steel pipes usually have protective layers, such as paint or galvanization, that help shield them from UV radiation. These coatings act as a barrier, preventing direct exposure of the steel to UV rays and minimizing potential damage. Furthermore, steel's inherent properties, including strength and durability, make it less susceptible to the effects of UV radiation compared to materials like plastics or rubber. Nevertheless, it is important to note that prolonged exposure to intense UV radiation can still have some impact on steel pipes, such as slight discoloration or surface degradation. To ensure the continued performance and longevity of steel pipes in outdoor or UV-exposed environments, regular maintenance and inspection are recommended.
Q:What are the different types of flanges used with steel pipes?
There are several types of flanges that are commonly used with steel pipes, including slip-on flanges, weld neck flanges, threaded flanges, socket weld flanges, lap joint flanges, and blind flanges. Each type has its own unique design and application, and they are used to connect and secure steel pipes together in various industrial and construction settings.
Q:What does "spiral welded steel pipe" DN325*10 mean?
Spiral welded steel pipe with nominal diameter of 325mm and wall thickness of 10mm
Q:Hot galvanized steel pipe for use?
Hot galvanized pipe: in order to improve the corrosion resistance of steel pipe, galvanized steel pipe. Galvanized steel pipe hot galvanized and galvanized two kinds, hot galvanized, zinc coating thickness, zinc plating cost is low, the surface is not very smooth.The hot-dip galvanized pipe is an alloy layer that causes molten metal to react with the iron matrix, thus combining the substrate with the two coating. Hot dip galvanizing is the first steel pickling, in order to remove iron, steel pipe surface after pickling, cleaning by ammonium chloride or zinc chloride solution or ammonium chloride and zinc chloride aqueous solution tank, and then into the hot dip tank. Hot galvanizing has the advantages of uniform coating, strong adhesion, long service life and so on. A complex physical and chemical reaction is formed between the steel tube matrix and the molten plating solution to form a corrosion resistant structure with a tight zinc - iron alloy layer. The alloy layer is integrated with the pure zinc layer and the steel pipe matrix. Therefore, it has strong corrosion resistance.
Q:How do you calculate the flow velocity in a steel pipe?
In order to determine the flow velocity in a steel pipe, one must take into account the principles of fluid mechanics and apply relevant equations. The Bernoulli equation is the most commonly used equation for this purpose, as it establishes a relationship between the pressure, velocity, and elevation of a fluid. The first step is to ascertain the volumetric flow rate (Q) of the fluid that passes through the pipe. This can be achieved either by measuring the mass flow rate (m) or by directly measuring the volumetric flow rate using a flow meter. Once the volumetric flow rate is obtained, the flow velocity (V) can be calculated. To calculate the flow velocity (V), divide the volumetric flow rate (Q) by the cross-sectional area (A) of the pipe. The cross-sectional area of the pipe can be determined using the formula A = πr^2, where r represents the radius of the pipe. Hence, the formula to calculate the flow velocity (V) in a steel pipe is: V = Q / A It is important to note that this calculation assumes an ideal flow condition and does not take into account any frictional losses or other factors that could impact the flow. In real-world scenarios, it is crucial to consider additional factors such as pipe roughness, fluid viscosity, and pipe diameter to obtain a more accurate estimation of the flow velocity.

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