• Seamless Hot Rolled Steel Pipe 4"-12" System 1
  • Seamless Hot Rolled Steel Pipe 4"-12" System 2
  • Seamless Hot Rolled Steel Pipe 4"-12" System 3
Seamless Hot Rolled Steel Pipe 4"-12"

Seamless Hot Rolled Steel Pipe 4"-12"

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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

 

1. Carbon seamless steel pipe

2. Standard: ASME SA106/53B, ASTM A106/53B, GB/T8162 GB/T8163, API 5L GR.B, DIN2391, JIS S20C S45C

3. Grade: A53B A106B 20# 45# 16Mn st52

4. Size: 1"-16" SCH40 SCH80 SCH160

4. Processing technique: hot rolled/cold drawn;

5. Length: 6-12m

6. Surface: painted with varnish;

7. Plastic caps at ends.

8. Tolerance: OD   +1%/-1%

                        WT  +12.5%/-10%

 

 

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: What are the different methods of inspecting steel pipes for defects?
There are several methods for inspecting steel pipes for defects, including visual inspection, ultrasonic testing, magnetic particle inspection, eddy current testing, and radiographic testing.
Q: How are steel pipes coated for protection?
Steel pipes are coated for protection through a process called corrosion protection coating. This typically involves applying a layer of epoxy, polyethylene, or other specialized coatings onto the surface of the steel pipes. The coating acts as a barrier, preventing direct contact between the steel and any corrosive substances in the environment, thereby extending the lifespan of the pipes and enhancing their durability.
Q: How are steel pipes used in the manufacturing industry?
Steel pipes are commonly used in the manufacturing industry for various purposes such as transporting fluids and gases, providing structural support, and facilitating the flow of materials in industrial processes. They are essential for conveying liquids and gases over long distances or within manufacturing plants, ensuring efficient and reliable transportation. Additionally, steel pipes are utilized in the construction of infrastructure, machinery, and equipment, serving as a robust and durable component. Overall, steel pipes play a crucial role in the manufacturing industry due to their versatility, strength, and ability to withstand high pressure and temperature conditions.
Q: Can steel pipes be used for sewage and wastewater systems?
Yes, steel pipes can be used for sewage and wastewater systems. Steel pipes are highly durable, resistant to corrosion, and can withstand high pressure and temperature conditions, making them suitable for transporting sewage and wastewater efficiently and securely. Additionally, steel pipes have a long lifespan and can handle the abrasive nature of sewage and wastewater, making them a reliable choice for such systems.
Q: Can steel pipes be used for oil well casing?
Yes, steel pipes can be used for oil well casing. Steel pipes are commonly used for oil well casing due to their strength, durability, and ability to withstand high pressure and extreme environmental conditions.
Q: Is there any difference between thermal expansion seamless steel pipe and seamless steel pipe?
Differ,Thermal expansion seamless steel tube is what we often call "thermal expansion tube", the density is relatively low, but a strong contraction of the steel pipe, (seamless steel pipe) can be referred to as "heat expansion.". A finishing rolling process for pipe rolling by using oblique rolling or drawing method to enlarge pipe diameter. In a relatively short period of time, the outer diameter of the steel pipe becomes larger, and the seamless tube with nonstandard and special type can be produced, and the cost is lower and the production efficiency is high, which is the development trend of the international rolling tube field at present.
Q: What are the safety measures to be followed while working with steel pipes?
There are several safety measures that should be followed while working with steel pipes. Firstly, it is important to wear appropriate personal protective equipment (PPE) such as safety glasses, gloves, and steel-toed boots to protect against potential hazards. Secondly, workers should be cautious of sharp edges or burrs on the pipes and handle them with care to avoid cuts or injuries. Additionally, proper lifting techniques should be employed when moving heavy steel pipes to prevent strains or back injuries. It is also crucial to secure pipes properly during transport or storage to prevent accidents. Finally, workers should be trained on the safe use of tools and equipment associated with steel pipe work to minimize the risk of accidents or damage.
Q: Steel pipe is particularly long, how to clean the inner wall of the pipe so that it can be thoroughly cleaned
The urban water supply pipeline cleaning is a very necessary work, it can not only improve the transmission efficiency of pipeline to reduce energy consumption, but also to clear the pipeline dirt, remove two pollution, improve water quality, protect the people's physical and mental health.
Q: How are steel pipes protected against microbial corrosion?
Various methods are employed to safeguard steel pipes against microbial corrosion. One widely used technique entails applying coatings onto the surface of the pipes. These coatings act as a shield, effectively blocking the entry of microbes and their corrosive byproducts into the steel, thereby safeguarding it from degradation. Coatings like epoxy, polyethylene, and fusion bonded epoxy are frequently utilized to bestow this protection. Another method involves the use of corrosion inhibitors. These inhibitors are added to the fluid that flows through the pipes in order to impede microbial growth and prevent corrosion. They can be either organic or inorganic compounds that function by either eradicating the microbes or inhibiting their metabolic activity. Furthermore, ensuring proper maintenance and cleaning of the pipes is vital in preventing microbial corrosion. Regular inspections and cleaning routines aid in the elimination of any biofilms or microbial deposits that may have formed on the pipe's surface. This significantly reduces the likelihood of microbial corrosion and prolongs the lifespan of the pipes. In certain cases, cathodic protection may also be employed. This method entails utilizing sacrificial anodes or impressed current systems to supply a protective electrical current to the pipe. This current helps prevent the formation of corrosive microorganisms and shields the steel from corrosion. In summary, a combination of coatings, corrosion inhibitors, regular maintenance, and cathodic protection techniques are employed to protect steel pipes from microbial corrosion. By utilizing these strategies, the longevity and integrity of the pipes are ensured, benefiting various industries such as oil and gas, water supply, and sewage systems.
Q: Can stainless steel pipes spray black paint?
Can. The surface roughening with a thick gauze, do not use ordinary paint intensity difference. With resin paint, paint can be

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