• 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: What is the difference between steel pipes and copper-nickel pipes?
The main difference between steel pipes and copper-nickel pipes lies in their composition and characteristics. Steel pipes are primarily made of iron and carbon, whereas copper-nickel pipes are made of a combination of copper and nickel with trace amounts of other elements. Steel pipes are known for their strength and durability, making them suitable for a wide range of applications, particularly in industries where high pressure and temperature conditions are present. Steel pipes are also relatively cost-effective and have good corrosion resistance, especially when coated or galvanized. On the other hand, copper-nickel pipes are highly resistant to corrosion and have excellent heat transfer properties. They are commonly used in marine environments due to their resistance to saltwater corrosion. Copper-nickel pipes also exhibit antimicrobial properties, making them suitable for applications in healthcare and food processing industries. However, copper-nickel pipes are generally more expensive than steel pipes. In summary, steel pipes are valued for their strength and affordability, while copper-nickel pipes offer superior corrosion resistance and heat transfer properties, but at a higher cost. The choice between the two depends on the specific requirements of the application.
Q: What is the primary purpose of steel pipes?
The primary purpose of steel pipes is to transport fluids and gases, such as water, oil, and natural gas, over long distances efficiently and safely. They are commonly used in various industries including construction, oil and gas, and infrastructure development.
Q: What are the non-destructive testing methods used for steel pipes?
Some of the non-destructive testing methods used for steel pipes include ultrasonic testing, magnetic particle testing, eddy current testing, radiographic testing, and visual inspection.
Q: What are the common methods of joining steel pipes?
The common methods of joining steel pipes include welding, threading, and using mechanical couplings. Welding involves fusing the pipes together using heat, while threading involves screwing the pipes together using threads on the ends. Mechanical couplings are devices that connect the pipes together using compression or other means.
Q: What is the difference between black steel pipes and galvanized steel pipes?
Black steel pipes and galvanized steel pipes differ in their coating. Black steel pipes are uncoated and have a dark, matte appearance, while galvanized steel pipes are coated with a layer of zinc to prevent corrosion. The galvanization process provides added protection and durability, making galvanized steel pipes suitable for outdoor or high-moisture environments.
Q: What are the different methods of joining steel pipes for steam applications?
The different methods of joining steel pipes for steam applications include welding, threading, flanging, and grooving. Welding involves fusing the pipes together using heat, while threading involves screwing the pipes together using threaded fittings. Flanging involves connecting the pipes by creating a flared or flat surface at the end of each pipe and using bolts to secure them together. Grooving involves creating a groove on the end of each pipe and using a coupling to connect them.
Q: What is the difference between steel pipe and PVC pipe?
Steel pipe and PVC pipe are both commonly used materials for plumbing and other construction applications, but they have several key differences. Firstly, the material itself is different. Steel pipe is made from steel, which is an alloy of iron and carbon. It is known for its strength and durability, making it suitable for high-pressure applications and underground installations. On the other hand, PVC (polyvinyl chloride) pipe is made from a type of plastic known as PVC. It is lightweight, flexible, and easy to handle, making it a popular choice for residential plumbing and irrigation systems. Secondly, the installation process differs. Steel pipe requires skilled labor and specialized tools for cutting, threading, and welding. It often involves a complex installation process, especially for larger pipe sizes. PVC pipe, on the other hand, can be easily cut with a saw or specialized pipe cutter and joined together using solvent cement or threaded fittings. This makes PVC pipe more suitable for do-it-yourself projects and simpler installations. Thirdly, steel pipe has a higher cost compared to PVC pipe. Steel is a more expensive material, and the manufacturing process for steel pipe is more complex, involving multiple steps and additional materials. PVC pipe, being made from plastic, is generally cheaper and more cost-effective, especially for smaller diameter applications. In terms of performance, steel pipe has higher tensile strength, can withstand higher pressure, and is more resistant to temperature changes, making it ideal for heavy-duty and industrial applications. PVC pipe, on the other hand, has a lower tensile strength but is resistant to corrosion, chemicals, and scale buildup. It is commonly used in residential plumbing, irrigation systems, and other non-industrial applications. In summary, the main differences between steel pipe and PVC pipe lie in the material, installation process, cost, and performance characteristics. While steel pipe is stronger and more suitable for heavy-duty applications, PVC pipe is lighter, easier to install, and more cost-effective for residential and non-industrial uses.
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: How are steel pipes used in the manufacturing of chemical processing plants?
Steel pipes are commonly used in chemical processing plants for various purposes, such as transporting fluids and gases, as well as providing structural support. They are highly resistant to corrosion, making them ideal for handling corrosive materials in the plant. Additionally, steel pipes can withstand high temperatures and pressure, ensuring the safe and efficient operation of chemical processes.
Q: What are the different types of connections used with steel pipes?
There are several types of connections commonly used with steel pipes, including threaded connections, welded connections, flanged connections, and grooved connections.

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