• Carbon steel seamless steel pipes in complete varieties System 1
  • Carbon steel seamless steel pipes in complete varieties System 2
  • Carbon steel seamless steel pipes in complete varieties System 3
Carbon steel seamless steel pipes in complete varieties

Carbon steel seamless steel pipes in complete varieties

Ref Price:
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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
25 m.t.
Supply Capability:
6000 m.t./month

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1、Structure of  Carbon steel seamless steel pipes: 

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.

 

2、‍‍Main Features of  Carbon steel seamless steel pipes:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3、Carbon steel seamless steel pipes 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. 

 

 

4、Packaging & Delivery

Packaging Details:

seaworthy package,bundles wrapped with strong steel strip

Delivery Detail:

15-30days after received 30%TT

 

5、FAQ of  carbon steel seamless steel pipes:  

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.

 

6、Carbon steel seamless steel pipes Images:

Q: How are steel pipes used in the defense sector?
Steel pipes are used in the defense sector for various purposes such as constructing military infrastructure, including bunkers, underground facilities, and missile silos. They are also utilized in the manufacturing of military vehicles, weapons systems, and equipment. Steel pipes provide strength, durability, and resistance to extreme conditions, making them ideal for applications in the defense sector.
Q: Is hot dipped plastic pipe steel?
The hot dipped plastic steel pipe is a steel pipe, and it is made of special antiseptic treated composite steel pipe.
Q: What is the outer diameter of the steel tube?
The diameter of a steel pipe refers to the diameter of the steel pipe. The specifications of the steel tube is normal with diameter (diameter and thickness) said, for example 100MM outer diameter and wall thickness of 5MM tube is marked with 100*5.
Q: What are the specifications for steel pipes used in high-pressure applications?
The specifications for steel pipes used in high-pressure applications typically include factors such as material composition, wall thickness, diameter, and pressure rating. These pipes are often made from strong and durable steel alloys, such as carbon steel or stainless steel, to ensure their ability to withstand high pressures. The wall thickness and diameter of the pipe are carefully selected to handle the specific pressure requirements of the application. Additionally, the pipes may need to meet certain industry standards, such as ASTM or ASME codes, to ensure their quality and performance in high-pressure environments.
Q: What are the safety precautions for handling steel pipes?
To prevent accidents and minimize the risk of injury when dealing with steel pipes, it is crucial to implement various safety measures. Consider the following key safety precautions: 1. Personal Protective Equipment (PPE): Ensure that you wear suitable PPE, such as safety glasses, hard hats, steel-toed boots, and gloves. This will shield you from potential hazards, including falling objects, sharp edges, or chemical spills. 2. Proper Lifting Techniques: Employ correct lifting techniques to avoid strain or back injuries when lifting steel pipes. Bend your knees, maintain a straight back, and use your legs instead of your back to lift. Seek assistance or employ mechanical lifting equipment if the pipe is too heavy. 3. Secure Storage and Stacking: Organize the storage of steel pipes meticulously, ensuring that they are stacked and secured appropriately. Utilize suitable storage methods like racks or pallets to prevent pipes from rolling or falling. Avoid excessive stacking to maintain stability. 4. Inspect for Defects: Prior to handling steel pipes, examine them for defects like cracks, corrosion, or dents. Identifying and removing defective pipes is vital as they can pose serious safety risks. 5. Use Appropriate Handling Equipment: When moving or transporting steel pipes, make use of suitable equipment like forklifts, cranes, or hoists. Verify that the equipment is in good working condition and always adhere to the manufacturer's guidelines for safe operation. 6. Secure Transportation: When transporting steel pipes by vehicle, ensure that they are securely fastened to prevent shifting or falling during transit. Use restraints like straps or chains to secure the load. 7. Watch for Sharp Edges: Exercise caution when handling steel pipes as they may have sharp edges that can cause cuts or injuries. Wear gloves to protect your hands. 8. Communication and Training: Establish effective communication with your team members to ensure that everyone understands the correct handling procedures and safety precautions. Conduct training sessions on safe lifting techniques, equipment operation, and hazard identification. 9. Maintain a Clean Work Area: Keep the work area clean and free from debris, oil, or other slippery substances that may lead to slips or falls. 10. Follow Safety Guidelines: Always adhere to safety guidelines and procedures set by your organization or relevant regulatory authorities. These guidelines may include additional precautions specific to your work environment. By diligently following these safety precautions, you can significantly reduce the likelihood of accidents and injuries when handling steel pipes. Remember, prioritizing safety is paramount in any work environment.
Q: Can steel pipes be used for conveying corrosive substances?
Steel pipes can be used for conveying corrosive substances, but it is important to choose the right type of steel and consider additional protective measures. Stainless steel pipes, for example, are highly resistant to corrosion and can handle a wide range of corrosive substances. However, it is crucial to consider the specific corrosive properties of the substance being conveyed and the concentration levels. In some cases, additional protective coatings or linings may be necessary to prevent corrosion and ensure the longevity of the steel pipes. Regular maintenance and inspection are also essential to detect and address any signs of corrosion to prevent leaks or failures in the piping system. Overall, steel pipes can be used for conveying corrosive substances, but proper material selection, protective measures, and maintenance are vital to ensure safe and efficient operations.
Q: What is the load-bearing capacity of steel pipes?
The load-bearing capacity of steel pipes is influenced by a range of factors, including diameter, wall thickness, and steel grade. In general, steel pipes exhibit excellent load-bearing capacity due to their inherent strength and durability. The determination of load-bearing capacity involves utilizing engineering calculations and testing techniques. These calculations take into account factors such as the applied load, pipe dimensions, and material properties of the steel. To accurately ascertain the load-bearing capacity of specific steel pipes for a particular application, it is crucial to refer to engineering standards, guidelines, and consult with a structural engineer.
Q: What is the hardness of steel pipes?
The specific grade and manufacturing process can cause the hardness of steel pipes to vary. Generally, alloys are used to make steel pipes, which offer a combination of strength and toughness. To determine the hardness of steel pipes, different methods like Rockwell or Brinell hardness tests can be carried out. These tests gauge the steel's resistance to indentation or penetration using a standardized indenter. The hardness of steel pipes is usually represented as a numerical value on a scale, like the Rockwell hardness scale (e.g., HRC or HRB) or the Brinell hardness scale (e.g., HB). The hardness of steel pipes is significant as it indicates their capacity to endure physical stresses, such as pressure, impact, or wear, in various applications such as construction, oil and gas transportation, and manufacturing.
Q: 20# seamless steel pipe and seamless steel pipe 20G what is the difference?
The difference is: 20# ordinary steel seamless steel pipe. 20G is the type of steel for high pressure boiler tubes.
Q: What are the factors to consider while selecting steel pipes for a project?
When choosing steel pipes for a project, there are several key factors to take into account. These factors encompass the material composition of the steel, the dimensions of the pipes, the intended use, the environmental conditions, and the allocated budget. Firstly, the material composition of the steel pipes plays a vital role in determining their strength, resistance to corrosion, and overall durability. Carbon steel, stainless steel, and alloy steel are commonly used types of steel for pipes, each possessing unique characteristics suitable for different applications. Secondly, the dimensions of the pipes, including diameter and wall thickness, should be carefully considered. It is crucial to ensure that these dimensions align with the project requirements and the system in which the pipes will be installed. This ensures that the selected pipes can effectively handle the required flow rates and pressures. Thirdly, thorough assessment of the intended application of the steel pipes is necessary. Different projects may demand pipes with specific features, such as heat resistance, pressure resistance, or the ability to transport particular substances like gas, oil, or water. Understanding these application requirements aids in selecting the appropriate type of steel pipes. Evaluation of the environmental conditions in which the pipes will be installed is also important. Factors such as temperature fluctuations, exposure to moisture, corrosive substances, and external pressures must be taken into account. For example, if the project involves underground installation or exposure to corrosive chemicals, corrosion-resistant steel pipes may be necessary. Lastly, the allocated budget for the project is a significant consideration. The cost of steel pipes can vary depending on their material composition, dimensions, and additional features. Striking a balance between project requirements and available budget ensures cost-effectiveness without compromising the quality and performance of the pipes. In conclusion, the selection of steel pipes for a project necessitates careful consideration of factors including material composition, pipe dimensions, intended application, environmental conditions, and budget. By thoroughly evaluating these factors, one can choose the most suitable steel pipes that meet project requirements, ensuring long-term performance and durability.

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