• Seamless Black Steel Pipe API 5L Grade B System 1
  • Seamless Black Steel Pipe API 5L Grade B System 2
Seamless Black Steel Pipe API 5L Grade B

Seamless Black Steel Pipe API 5L Grade B

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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
25 m.t.
Supply Capability:
10000 m.t./month

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1Structure of Seamless Black Steel Pipe API 5L Grade B: 

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 Seamless Black Steel Pipe API 5L Grade B:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3Seamless Black Steel Pipe API 5L Grade B 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. 

 

 

4Packaging & Delivery

Packaging Details:

seaworthy package,bundles wrapped with strong steel strip

Delivery Detail:

15-30days after received 30%TT

 

5FAQ of Seamless Black Steel Pipe API 5L Grade B:  

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.

 

6‍‍Seamless Pipe ASTM A106/53 Images ‍‍

Seamless Black Steel Pipe API 5L Grade B

Q: Can steel pipes be used for chemical refineries?
Chemical refineries can utilize steel pipes for their operations. Steel pipes are frequently employed in chemical refineries because of their exceptional strength, long-lasting nature, and resistance to corrosion. Given the harsh conditions present in a chemical refinery, including exposure to corrosive chemicals and extreme temperatures, it is necessary to employ materials that can endure such circumstances. Steel pipes possess the capability to withstand these challenges and are often preferred for their ability to securely and efficiently transport diverse fluids and gases. Furthermore, the weldability of steel pipes permits easy installation and maintenance within intricate refinery systems. All in all, steel pipes are a fitting choice for chemical refineries due to their durability, ability to resist corrosion, and compatibility with the demanding conditions encountered in this industry.
Q: What is the difference between seamless and ERW steel pipes?
Seamless steel pipes are made without any welded joints, resulting in a uniform and continuous structure. On the other hand, ERW (Electric Resistance Welded) steel pipes are created by welding the edges of the steel strip or coil together, forming a seam. This seam may be visible on the surface of the pipe. While seamless pipes are considered stronger and more reliable due to their uniform structure, ERW pipes are more cost-effective and commonly used for low to medium pressure applications.
Q: What are the different types of joints used with steel pipes?
There are several types of joints used with steel pipes, including threaded joints, welded joints, flanged joints, and grooved joints.
Q: Are steel pipes resistant to vibration?
Yes, steel pipes are generally resistant to vibration due to their inherent strength and rigidity. However, the level of resistance can vary depending on factors such as pipe thickness, design, and installation. Additionally, the presence of external factors like fluid flow or mechanical forces can also affect the level of vibration resistance.
Q: How are steel pipes protected from corrosion in corrosive environments?
Steel pipes are protected from corrosion in corrosive environments through various methods such as applying protective coatings, using cathodic protection systems, and implementing corrosion inhibitors.
Q: Can steel pipes be used for underground fire protection systems?
Yes, steel pipes can be used for underground fire protection systems. Steel pipes are commonly used for their durability, high tensile strength, and resistance to heat and pressure. They are suitable for carrying water or fire suppression agents underground to protect against fire hazards.
Q: How do you prevent steel pipes from freezing in cold climates?
To prevent steel pipes from freezing in cold climates, it is important to insulate the pipes properly. This can be done by wrapping them with insulation sleeves or foam, which helps to retain heat and prevent rapid temperature changes. Additionally, ensuring that there is proper ventilation in the area where the pipes are located can help to maintain a higher temperature and prevent freezing.
Q: What's wrong with the 3PP anticorrosive steel tube?
PP and PE are similar in processability, and the 3PE coating can be used to produce 3PP coatings without the need for a special 3PP coating line. However, the difference between PP and PE materials makes the 3PP and 3PE coatings show different properties, which can be applied to different environments. The advantages of 3PP coating on some properties make it possible to play an important role in the field of 3PE coating. Therefore, many foreign pipeline projects use 3PP anticorrosive coating.
Q: What is the maximum length of a steel pipe?
The maximum length of a steel pipe can vary depending on various factors such as the manufacturing process, transportation constraints, and practical limitations. However, steel pipes can typically be manufactured and transported in lengths ranging from a few meters to several hundred meters.
Q: Are steel pipes resistant to impact or external forces?
Steel pipes are renowned for their resistance to impact and external forces. Their high strength and durability render them perfect for a wide range of applications, notably in the realm of piping. These pipes possess the remarkable ability to endure external forces, encompassing impact, pressure, and vibrations. Consequently, industries necessitating steadfast and robust piping systems, like oil and gas, construction, and infrastructure, frequently opt for steel pipes. Furthermore, when confronted with extreme conditions, steel pipes are less prone to cracking or breaking in comparison to other materials. Nonetheless, the extent of resistance to impact and external forces may hinge upon the specific grade and thickness of the steel employed in the pipes.

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