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

Welded Black ERW Steel Pipe ASTM Standard

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
7500 m.t./month

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1、Structure of Welded Black ERW Steel Pipe ASTM Standard:

Welded Black ERW Steel Pipe ASTM Standard 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 ASTM Standard:

• High manufacturing accuracy

• High strength

• Good visual effect

• Good view and appearance 

• Good shape 

• Reasonable price  

• Small inertia resistance

• Strong heat dissipation ability

 

3、Welded Black ERW Steel Pipe ASTM Standard 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.
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 Welded Black ERW Steel Pipe ASTM Standard: 

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、‍‍ Welded Black ERW Steel Pipe ASTM Standard Images: ‍‍

 

Welded Black ERW Steel Pipe ASTM Standard

Welded Black ERW Steel Pipe ASTM Standard

 

 

 

Q: How do steel pipes handle ground settlement?
One possible alternative: Due to their robustness and durability, steel pipes are highly suitable for managing ground settlement. The pipes' flexibility and strength enable them to endure the shifting and settling of the ground with minimal damage. Their high resistance to deformation ensures that they can maintain their shape and structural integrity even when the ground settles or moves. When the ground settles, steel pipes can flex and bend slightly to accommodate the movement. This flexibility allows them to adapt to changes in the ground without experiencing breakage or cracking. Additionally, steel pipes often incorporate joints designed to absorb and distribute stress caused by ground settlement. Moreover, steel pipes possess a smooth interior surface that reduces friction and resistance to material flow. This characteristic becomes particularly crucial when the ground settles, as it diminishes the chances of blockages or clogs due to debris or sediment settling inside the pipes. In conclusion, steel pipes possess the necessary strength, flexibility, and resistance to deformation to effectively handle ground settlement. They can adapt to ground movement without compromising their structural integrity, making them a dependable choice for various applications such as underground infrastructure and pipeline systems.
Q: What is the process of spiral steel tube production?
X ray flaw detection: 100% X ray industrial television inspection of internal and external weld seams, and image processing system is adopted to ensure the sensitivity of flaw detection.8. press test: the steel pipe is tested by root test on the water pressure test machine to ensure the test pressure of the steel pipe to meet the standard requirement.9. chamfering flat head: the qualified steel pipe is processed at the end of the pipe to achieve the required size of the end of the pipe10. final inspection: ultrasonic and X ray inspection, and magnetic particle inspection at the end of pipe to check for welding problems and pipe end defects.11., marking: qualified steel pipe for oil, in order to prevent corrosion, and according to user requirements for marking.
Q: What are the different types of thread connections used in steel pipes?
The different types of thread connections used in steel pipes include tapered threads such as NPT (National Pipe Thread), BSPT (British Standard Pipe Taper), and API (American Petroleum Institute) threads. There are also parallel threads like BSP (British Standard Pipe) and G (ISO 228-1). These thread connections are used to join and seal steel pipes in various industries and applications.
Q: Are steel pipes suitable for underground irrigation pumping?
Yes, steel pipes are suitable for underground irrigation pumping. Steel pipes are known for their durability and strength, making them an ideal choice for underground applications. They can withstand high levels of pressure, resist corrosion, and are less likely to be affected by external factors such as soil movement or temperature changes. Additionally, steel pipes have a longer lifespan compared to other materials, reducing the need for frequent replacements. However, it is important to ensure that the steel pipes are properly coated or lined to prevent corrosion and to regularly inspect and maintain them to ensure their effectiveness and longevity.
Q: Can steel pipes be used for pharmaceutical manufacturing plants?
Yes, steel pipes can be used for pharmaceutical manufacturing plants. Steel pipes are commonly used in pharmaceutical manufacturing plants due to their durability, resistance to corrosion, and ability to withstand high pressure and temperature conditions. Additionally, steel pipes can be easily cleaned and sanitized to meet strict hygiene standards required in pharmaceutical production.
Q: What is the difference between ERW and SAW steel pipes?
ERW (Electric Resistance Welded) steel pipes are manufactured by welding the edges of the steel strip or coil together to form a pipe. On the other hand, SAW (Submerged Arc Welded) steel pipes are manufactured by welding the steel plates or coils together using a submerged arc welding process. The main difference between the two is the method of welding used. SAW pipes generally have a higher strength and better dimensional accuracy compared to ERW pipes.
Q: What are the different methods of cleaning steel pipes?
There are several methods for cleaning steel pipes, including mechanical cleaning, chemical cleaning, and high-pressure water jetting.
Q: How are steel pipes used in the construction of nuclear power plants?
Steel pipes are used in the construction of nuclear power plants for various purposes, including transporting coolant, steam, and gases, as well as providing structural support for the overall system. These pipes are specifically designed to withstand high pressures, extreme temperatures, and corrosive environments, ensuring the safe and efficient operation of the nuclear power plant.
Q: Theoretical weight of 25*25*1.5 square steel tubes
Theoretical weight can be directly from the steel tube under the table look up, you can also press type calculation:Weight per meter =4x, wall thickness x (side length - wall thickness) x0.00785. The length of the square tube and the wall thickness are in millimeters, and the weight of each square meter is in kilograms.
Q: What is the difference between steel pipes and fiberglass-reinforced pipes?
The main difference between steel pipes and fiberglass-reinforced pipes lies in their composition and structural properties. Steel pipes are made primarily of iron and carbon, which provide high strength and durability. On the other hand, fiberglass-reinforced pipes consist of a composite material that combines a resin matrix with glass fibers, offering excellent corrosion resistance and high tensile strength. Additionally, steel pipes are heavier and require more maintenance, while fiberglass-reinforced pipes are lighter, easier to install, and have a longer lifespan.

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