• Welded Black ERW Steel Pipe Welded Black ERW Steel Pipe System 1
  • Welded Black ERW Steel Pipe Welded Black ERW Steel Pipe System 2
Welded Black ERW Steel Pipe Welded Black ERW Steel Pipe

Welded Black ERW Steel Pipe Welded Black ERW Steel Pipe

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

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1、Structure of Welded Black ERW Steel Pipe 5L 5 CT :

Welded Black ERW Steel Pipe 5L 5 CT  is electric resistance welding, the abbreviation for ERW for transporting oil and natural gas vapor liquid objects, can meet the requirements of high and low pressure, the transport in the world with pipe sector accounted for a pivotal position.With sound reputation and high quality , we will offer clients a wonderful business experience.

 

2、‍‍Main Features of Welded Black ERW Steel Pipe 5L 5 CT :

• High manufacturing accuracy

• High strength

• Good visual effect

• Good view and appearance 

• Good shape 

• Reasonable price  

• Small inertia resistance

 

3、Welded Black ERW Steel Pipe 5L 5 CT  Specification:

Standard

GB, DIN, ASTM

ASTM A106-2006, ASTM A53-2007

Grade

10#-45#, 16Mn

10#, 20#, 45#, 16Mn

Thickness

1 - 33 mm

Section Shape

Round

Outer Diameter

21 - 610mm

Place of Origin

Tianjin, 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.
 

4、Packaging & Delivery

Packaging Details:

seaworthy package,bundles wrapped with strong steel strip

Delivery Detail:

15-30days after received 30%TT

 

5、FAQ of Welded Black ERW Steel Pipe 5L 5②How 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、‍‍ Welded Black ERW Steel Pipe 5L 5 CT  Images: ‍‍

 Welded Black ERW Steel Pipe Welded Black ERW Steel Pipe

 Welded Black ERW Steel Pipe Welded Black ERW Steel Pipe

 

Q: What are the common applications of steel pipes in the water distribution system?
The common applications of steel pipes in the water distribution system include carrying potable water from the water treatment plants to homes and businesses, transporting water for irrigation purposes, and facilitating the flow of water in industrial processes. Steel pipes are often preferred due to their durability, resistance to corrosion, and ability to handle high water pressure.
Q: How are steel pipes tested for quality?
Steel pipes are tested for quality through various methods such as visual inspection, dimensional measurement, mechanical testing, and non-destructive testing. Visual inspection ensures that there are no surface defects or deformities on the pipes. Dimensional measurement involves checking the pipe's size, thickness, and length to meet the required specifications. Mechanical testing involves subjecting the pipes to stress, pressure, and temperature to assess their strength and durability. Non-destructive testing techniques like ultrasonic, radiographic, or magnetic particle testing are used to detect any internal flaws or defects without damaging the pipes. These comprehensive quality tests ensure that steel pipes meet the necessary standards before they are used in various applications.
Q: What are the different end finishes available for steel pipes?
Some of the different end finishes available for steel pipes include plain ends, beveled ends, threaded ends, grooved ends, and flanged ends.
Q: How do you connect steel pipes together?
Steel pipes can be connected together using various methods such as welding, threading, flanges, or mechanical couplings. Welding involves fusing the ends of the pipes together using heat, while threading involves cutting grooves into the pipe ends and screwing them together. Flanges are used to connect pipes using bolts and gaskets, providing a secure and leak-proof joint. Mechanical couplings utilize compression fittings or clamps to connect pipes without the need for welding or threading. The appropriate method depends on the specific application, pipe size, and project requirements.
Q: What is the purpose of steel pipes?
The purpose of steel pipes is to efficiently transport fluids, gases, and solids from one location to another, providing a durable and reliable means of conveying materials in various industries such as construction, oil and gas, plumbing, and infrastructure.
Q: What is the density of steel pipes?
The density of steel pipes varies depending on their composition, but on average, the density of steel pipes is around 7.8 grams per cubic centimeter.
Q: What are the different methods of cutting steel pipes?
There are several methods of cutting steel pipes, including manual methods such as hacksawing and pipe cutters, as well as more advanced methods like plasma cutting, oxy-fuel cutting, and bandsaw cutting. Each method has its own advantages and suitability depending on the specific requirements of the project.
Q: How do you prevent steel pipes from freezing in cold climates?
One way to prevent steel pipes from freezing in cold climates is by insulating them. Insulation materials such as foam or fiberglass can be wrapped around the pipes to prevent heat loss and keep them at a stable temperature. Additionally, using heat tape or cables can provide an extra layer of protection by applying low-level heat to the pipes. It is also important to ensure that pipes are properly sealed and any cracks or gaps are sealed to prevent cold air from entering and freezing the pipes.
Q: Can steel pipes be used for underground water wells?
Yes, steel pipes can be used for underground water wells. Steel pipes are commonly used for drilling water wells due to their durability, strength, and resistance to corrosion. However, it is important to ensure that the steel pipes are properly coated and protected to prevent any contamination of the underground water source.
Q: How do you calculate the pipe thermal expansion coefficient for steel pipes?
To calculate the pipe thermal expansion coefficient for steel pipes, you need to consider the material's linear expansion coefficient and the change in temperature. The linear expansion coefficient for steel is typically around 12 x 10^-6 per degree Celsius. First, determine the initial length of the pipe, which is denoted as L0. Then, measure the change in temperature, denoted as ΔT. Next, multiply the initial length of the pipe by the linear expansion coefficient and the change in temperature: ΔL = L0 * α * ΔT. The resulting value, ΔL, represents the change in length of the steel pipe due to thermal expansion.

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