• Seamless Carbon Steel Pipe 3/4"-4" System 1
  • Seamless Carbon Steel Pipe 3/4"-4" System 2
  • Seamless Carbon Steel Pipe 3/4"-4" System 3
Seamless Carbon Steel Pipe 3/4"-4"

Seamless Carbon Steel Pipe 3/4"-4"

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1Structure of Seamless Pipe : 

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 :

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable 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

 

 

 

Models of Steel Pipes

Chemical Component

Steel 20

(ASTM A106B)

C

Si

Mn

P

S

Cu

Ni

Cr

0.17~0.24

0.17~0.37

0.35~0.65

0.035max

0.035max

0.25max

0.25max

0.25max

Steel45 (ASTM 1045)

0.42~0.50

0.17~0.37

0.50~0.80

0.035max

0.035max

0.25max

0.25max

0.25max

16Mn(Q345B)

0.12~0.20

0.20~0.55

1.20~1.60

0.035max

0.035max

0.25max

0.25max

0.25max

45Mn2 ( ASTM1345)

0.42~0.49

0.17~0.37

1.40~1.80

0.035max

0.035max

0.3max

0.3max

0.30max

 

 

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?
    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.

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?
    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.

 

Any question, pls feel free to contact us !

 

6‍‍Seamless Pipe ASTM A106/53 Images

 

Q: Can steel pipes be threaded?
Yes, steel pipes can be threaded. Threading is a common process used to create a screw-like pattern on the outer surface of the pipe, allowing it to be connected to other fittings or components. Threading can be done manually or with the help of machinery, depending on the size and requirements of the pipe.
Q: What are the different methods of repairing damaged steel pipes?
There are several methods of repairing damaged steel pipes, including welding, epoxy lining, pipe bursting, and pipe relining. Welding involves joining the damaged sections of the pipe together using heat, while epoxy lining involves applying a protective coating to the inner surface of the pipe. Pipe bursting involves replacing the damaged pipe with a new one by pulling it through the existing pipe, and pipe relining involves inserting a new liner into the damaged pipe to create a new, seamless pipe within the existing one. The choice of method depends on factors such as the extent of damage, accessibility, and cost-effectiveness.
Q: What is the difference between steel pipe and fiberglass pipe?
Steel pipe and fiberglass pipe differ in terms of material composition, durability, flexibility, and cost. Steel pipe is made of steel, which provides strength and resilience, making it ideal for high-pressure applications and underground installations. Fiberglass pipe, on the other hand, is composed of reinforced plastic fibers, resulting in a lightweight and corrosion-resistant material suitable for above-ground and corrosive environments. While steel pipe offers higher tensile strength, fiberglass pipe excels in its flexibility, allowing for easier installation and reduced maintenance. Additionally, steel pipe is typically more expensive due to the cost of materials and manufacturing processes, while fiberglass pipe is more cost-effective in terms of initial installation and long-term maintenance.
Q: Can steel pipes be used for structural supports?
Yes, steel pipes can be used for structural supports. Steel pipes are strong, durable, and have high load-bearing capacity, making them suitable for providing structural support in various applications such as buildings, bridges, and infrastructure projects.
Q: How are steel pipes threaded?
Steel pipes are typically threaded using a threading machine or a hand-held die. The process involves cutting grooves on the outer surface of the pipe to create a spiral pattern, allowing the pipe to be easily connected to fittings or other pipes.
Q: What is the maximum length of steel pipes available in the market?
The market offers steel pipes in varying maximum lengths, which are influenced by factors like steel type, manufacturing capacity, transportation restrictions, and customer demands. Generally, steel pipes can be produced up to 12 meters (40 feet) or even longer. However, it is crucial to consider that handling and transporting longer lengths might pose challenges, necessitating specialized equipment or techniques. Ultimately, the industry and customers' specific requirements and capabilities determine the maximum length of steel pipes available in the market.
Q: D108*4 what does "D108" mean by seamless steel tubes? What does "*4" mean?
Seamless steel pipe: a pipe with a hollow cross section, used as a conduit for transporting fluids, such as pipelines for transporting petroleum, natural gas, gas, water, and certain solid materials. Compared withsteel and roundsteelinsolid, flexural torsional strength in the same time, the weight is light, is a kind of economic section steel, widely used in the manufacture of structural parts and mechanical parts, such as the oil pipe, automobile transmission shaft, the bicycle frame and steel construction with scaffold with steel pipe manufacturing ring parts can be improved the utilization rate of materials, simplify the manufacturing process, material saving and working hours, has been widely used to manufacture steel tube.
Q: How are steel pipes used in the manufacturing of railways?
Steel pipes are commonly used in the manufacturing of railways for various purposes. They are used for the construction of railway tracks, providing a strong and durable foundation. Steel pipes are also used in the manufacturing of railway bridges and tunnels, ensuring structural integrity and support. Additionally, steel pipes are utilized for the transportation of fluids and gases within the railway system, such as fuel or water.
Q: What are the different types of steel pipe connections for steam pipelines?
There are several types of steel pipe connections commonly used for steam pipelines, including threaded connections, flanged connections, welded connections, and grooved connections.
Q: How are steel pipes used in the construction of airports?
Steel pipes are commonly used in the construction of airports for various purposes such as drainage systems, water supply lines, fuel pipelines, and structural supports. They provide durability, strength, and corrosion resistance, ensuring the efficient operation and safety of airport infrastructure.

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