• Pre-Galvanized ERW Steel Pipe JIS, GB, DIN, ASTM System 1
  • Pre-Galvanized ERW Steel Pipe JIS, GB, DIN, ASTM System 2
Pre-Galvanized ERW Steel Pipe JIS, GB, DIN, ASTM

Pre-Galvanized ERW Steel Pipe JIS, GB, DIN, ASTM

Ref Price:
get latest price
Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
20 m.t.
Supply Capability:
15000 m.t./month

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1Structure of Seamless Pipe: 

We are company that have many years experience and professional manager team and engineer team and sales team, sure we will provide you high quality of pipe and professioanl service.

Seamless pipe possesses a hollow section and without seam around the strip steel. It is made with solid bar or steel ingot by perforating machine. As the facture process does not include any welding, seamless pipes are considered to be stronger and more durable. Generally speaking, seamless pipe has better pressure resistance and security than other classifications, and was usually more easily available than welded pipe.

 

2‍‍Main Features of the Seamless Pipe:

High working accuracy

High strength

Small inertia resistance

Strong therming dissipine ability

Good appearance

Reasonble price

 

3Seamless 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) Executive 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:  

How is the quality of your products?
     We have many years business experience in this area, and we have professional engineer and manager team and sure we can provide you high quality production and professional service.

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?
    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 Images ‍‍

 

 

 

Q: What is the dimensional stability of steel pipes?
The ability of steel pipes to retain their shape and dimensions in different conditions and external forces is referred to as dimensional stability. Steel pipes are well-known for their exceptional dimensional stability due to the inherent properties of the material. Steel, being a strong and rigid material, can maintain its shape even when subjected to high pressure or temperature fluctuations. This characteristic makes steel pipes highly suitable for applications that demand stability and resistance to deformation, such as plumbing, oil and gas pipelines, and structural supports. In addition to its inherent strength, the dimensional stability of steel pipes is also a result of their manufacturing processes. These pipes are typically produced using methods like seamless or welded construction, ensuring uniformity and consistent dimensions throughout the pipe's length. This precise manufacturing contributes to the dimensional stability of steel pipes. Furthermore, steel pipes are often coated with various protective coatings to increase their resistance to environmental factors. These coatings, such as galvanization or epoxy coatings, not only provide corrosion protection but also enhance the dimensional stability of the pipes by adding an extra layer of strength and durability. In conclusion, the widespread use of steel pipes in different industries is largely attributed to their dimensional stability. Their ability to maintain their shape and dimensions, even in challenging conditions, guarantees reliable and long-lasting performance in various applications.
Q: What are the safety precautions while working with steel pipes?
Some safety precautions while working with steel pipes include wearing appropriate personal protective equipment such as gloves, safety glasses, and steel-toed boots to prevent injuries. It is important to ensure the work area is clear of any obstacles or tripping hazards. Workers should be trained in proper lifting techniques to prevent strain or back injuries. Additionally, it is crucial to follow proper procedures for handling and storing steel pipes to prevent accidents and maintain a safe working environment.
Q: How do you determine the wall thickness of a steel pipe?
To determine the wall thickness of a steel pipe, there are a few methods you can use. The most common and accurate method is to measure it using a caliper or micrometer. First, ensure that the pipe is clean and free from any debris or rust. Then, take the caliper or micrometer and gently place it around the circumference of the pipe, making sure it is perpendicular to the surface. Carefully close the jaws of the measuring tool until they are snug against the pipe, but not so tight that they deform the shape. Once the jaws are closed, read the measurement displayed on the tool. This measurement represents the distance between the inner and outer diameter of the pipe, which is equal to the wall thickness. Alternatively, if you don't have access to a caliper or micrometer, you can use a pipe wall thickness gauge. These gauges have a set of pins or rollers that can be inserted into the pipe, providing you with an accurate measurement. Simply insert the pins into the pipe, ensuring they are properly aligned with the wall, and check the reading displayed on the gauge. It's important to note that when measuring the wall thickness of a steel pipe, you should take multiple readings at different points along the pipe to account for any variations. This will provide you with a more accurate average measurement.
Q: What is the maximum bending radius for steel pipes?
The maximum bending radius for steel pipes depends on various factors, such as the pipe diameter, wall thickness, and the type of steel used. Generally, larger diameter pipes with thicker walls have a larger maximum bending radius. However, it is important to follow industry standards and guidelines to ensure the structural integrity of the pipe is maintained during the bending process. Consulting the manufacturer's specifications or referring to relevant codes and standards, such as the American Society of Mechanical Engineers (ASME) B31.1 or B31.3, can provide specific information on the maximum bending radius for steel pipes in different applications.
Q: What are the different methods of threading steel pipes?
There are several methods of threading steel pipes, including manual threading, machine threading, and cutting threads using a thread cutting die. Manual threading involves using a handheld pipe threading tool to create threads on the pipe. Machine threading utilizes a power-driven pipe threading machine to efficiently create threads. Cutting threads using a thread cutting die involves using a die and a handle to manually cut threads on the pipe. These methods are commonly used in various applications, such as plumbing, construction, and industrial settings.
Q: Can steel pipes be used for water supply lines?
Yes, steel pipes can be used for water supply lines. Steel pipes are durable and have high tensile strength, making them suitable for carrying water. However, it is important to ensure that the steel pipes are properly treated to prevent corrosion and rusting.
Q: Are steel pipes suitable for use in food processing industries?
Yes, steel pipes are suitable for use in food processing industries. They are highly durable, corrosion-resistant, and can withstand high temperatures and pressure. Additionally, steel pipes are easy to clean, maintain hygiene standards, and do not contaminate the food being processed.
Q: How are steel pipes used in the manufacturing of food processing equipment?
Steel pipes are commonly used in the manufacturing of food processing equipment due to their durability, strength, and resistance to corrosion. These pipes are used to transport various food products such as liquids, powders, and gases within the equipment. They are also utilized in the construction of frames, supports, and structures for food processing machinery, ensuring stability and longevity. Additionally, steel pipes are often employed in the creation of heat exchangers, which are crucial for heating or cooling purposes in food processing equipment.
Q: Can steel pipes be used for bridge construction?
Yes, steel pipes can be used for bridge construction. Steel pipes are commonly used in bridge construction due to their high strength-to-weight ratio, durability, and ability to withstand heavy loads and harsh environmental conditions. They are often used for constructing bridge piers, supporting structures, and for carrying utilities such as water or gas pipelines across the bridge.
Q: DN150 welded steel tubes one meter multiple
The theoretical weight table of welded steel pipe (Kg) can be checked, and the outer diameter and wall thickness can be measured according to the formula.For example: DN150 welded steel pipe, diameter 165mm, thickness 4.5mm, weight kg per meter.Welded steel pipe theoretical weight (Kg/m) = (165-4.5) * 4.5 * 0.02466=17.81Kg

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