• Hollow Sections api 5l hot formed Welded erw mild Steel Rectangular Pipes System 1
  • Hollow Sections api 5l hot formed Welded erw mild Steel Rectangular Pipes System 2
Hollow Sections api 5l hot formed Welded erw mild Steel Rectangular Pipes

Hollow Sections api 5l hot formed Welded erw mild Steel Rectangular Pipes

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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 ASTM A106/53: 

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.

 

 

Application

carbon seamless steel pipes are widely used in gas, water and oil, transpotation;constructions;Bridge,highway,windows of model steel door; building materials;fences;heating facilities Fluid Pipe;conduit pipe,scaffolding pipe.etc.

Payment Terms: L/C D/A D/P T/T

Packing and shipment

Packaged in bundles,as per customers' requirements, it can also bepackagesd as beveled ends, typed marking, black painting, plastic caps protection,woven bags packing

For 20" container the max length is 5.8m; For 40" container the max length is 12m. other options are available based on customer requests. Please discuss when placing orders.

 

 

2‍‍Main Features of the Seamless Pipe ASTM A106/53:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price

 

 

3Seamless Pipe ASTM A106/53 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

 

4FAQ of Seamless Pipe ASTM A106/53:  

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.

 

5‍‍Seamless Pipe ASTM A106/53 Images 

 

 

 

Q: How do you calculate the pipe thermal expansion for steel pipes?
In order to calculate the thermal expansion of steel pipes, one must take into account the material's coefficient of thermal expansion (CTE), the temperature fluctuation, and the pipe's length. The CTE represents the extent to which a material expands or contracts in response to temperature changes. For steel, the average CTE is typically approximately 12 x 10^-6 per degree Fahrenheit (or 6.5 x 10^-6 per degree Celsius). However, this value may vary depending on the specific grade of steel. Subsequently, the temperature change that the pipe will encounter must be determined. This can be the discrepancy between the operating temperature and the ambient temperature, or the temperature variation caused by the fluid or gas flowing through the pipe. Finally, the thermal expansion can be calculated using the following formula: Thermal Expansion = CTE x Length x Temperature Change Where: - CTE signifies the coefficient of thermal expansion - Length denotes the pipe's length - Temperature Change represents the temperature difference For instance, if a steel pipe has a length of 10 meters (32.8 feet) and experiences a temperature change of 100 degrees Celsius (180 degrees Fahrenheit), assuming a CTE of 12 x 10^-6 per degree Celsius, the thermal expansion would amount to: Thermal Expansion = 12 x 10^-6 x 10 x 100 = 0.012 meters (or 12 millimeters) This means that the pipe would expand by 12 millimeters due to the temperature alteration. It is important to note that this calculation provides an approximation of the thermal expansion. However, other factors such as pipe supports, restraints, and the specific application should also be taken into consideration to ensure the proper design and installation of the steel pipe system.
Q: Are steel pipes fire-resistant?
Indeed, steel pipes possess fire-resistant qualities. Being a non-combustible substance, steel does not ignite or aid in the propagation of flames. Steel pipes exhibit elevated melting points and can endure extreme temperatures, rendering them exceptionally fire-resistant. Consequently, they find widespread utilization in critical areas necessitating fire safety measures, including fire sprinkler systems, fire hydrant systems, and fire-resistant architectural frameworks. Moreover, the fire resistance capabilities of steel pipes are reinforced by their renowned robustness and resilience.
Q: Why can't stainless steel be put together with carbon steel tube?
The bimetallic corrosion is terminated only when one of the three conditions is changed. Galvanic corrosion is related to the contact area of bimetal and the greater the contact area. Corrosion is less. The driving force of galvanic corrosion is the potential difference.[galvanic corrosion] refers to two or more than two kinds of electrode potential of metal in the corrosive medium, and contact with each other caused by electrochemical corrosion, also known as contact corrosion or double metal corrosion.
Q: Can steel pipes be used for underground gas distribution?
Yes, steel pipes can be used for underground gas distribution. Steel pipes are commonly used for gas distribution as they are strong, durable, and can withstand high pressure. Additionally, steel pipes have excellent resistance to corrosion, which is crucial for underground installations. However, it is important to ensure proper coating and insulation to prevent any potential damage or leakage.
Q: What are the different methods of bending steel pipes?
There are several methods of bending steel pipes, including hot bending, cold bending, mandrel bending, rotary draw bending, and induction bending.
Q: How are steel pipes used in the manufacturing of machinery and equipment?
Steel pipes are commonly used in the manufacturing of machinery and equipment due to their strength, durability, and versatility. They serve various purposes such as the transportation of fluids, gases, and materials within the machinery, acting as structural components, providing support for moving parts, and facilitating heat transfer or cooling. Steel pipes also allow for easy assembly and disassembly, making them essential in the manufacturing process of machinery and equipment.
Q: What are the common defects found in steel pipes?
Some common defects found in steel pipes include corrosion, cracks, dents, and leaks. Other defects may include misalignment or misshapen sections, improper welding, and brittleness.
Q: What are the different types of pipe fittings used with steel pipes?
Some of the different types of pipe fittings used with steel pipes include elbows, tees, couplings, unions, flanges, and reducers.
Q: What are the different sizes available for steel pipes?
Steel pipes are available in a wide range of sizes, ranging from small diameters as small as 1/8 inch to larger diameters exceeding 72 inches. The sizes of steel pipes are typically measured based on their outside diameter (OD) and wall thickness, with various standard sizes available to meet different application requirements.
Q: How do you prevent leaks in steel pipes?
One effective way to prevent leaks in steel pipes is to apply a high-quality coating or lining to the pipes. This protective layer acts as a barrier, preventing corrosion and minimizing the chances of leaks. Regular inspection and maintenance are also crucial to identify any potential issues early on and address them promptly. Additionally, ensuring proper installation techniques, using durable and reliable fittings, and following industry standards can help minimize the risk of leaks in steel pipes.

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