Steel Pipe --Various Standard Welded Steel Pipe

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
30 m.t.
Supply Capability:
8000 m.t./month
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1、Structure of Steel Pipe --Various Standard Welded Steel Pipe

Pipe is to be used for conveying gas, water, and petroleum foroil and natural gas industries. And used for structural steel pies purpose. 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.

 

2、‍‍Main Features of Steel Pipe --Various Standard Welded Steel Pipe

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3、Steel Pipe --Various Standard Welded Steel 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) 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 Steel Pipe --Various Standard Welded Steel Pipe

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、‍‍Steel Pipe --Various Standard Welded Steel Pipe: Images: ‍‍

 

 Steel Pipe --Various Standard Welded Steel Pipe

Q:
Steel pipes are commonly used in the transportation of fluids due to their durability and strength. They are used to carry various types of liquids and gases, such as water, oil, natural gas, and chemicals. Steel pipes are able to withstand high pressure and temperature, making them ideal for long-distance transportation of fluids. They are widely used in industries like oil and gas, water supply, and sewage systems, providing a reliable and efficient means of fluid transportation.
Q:
To prevent corrosion, steel pipes can be coated using different methods and materials. One common approach is to apply a protective layer of paint or epoxy on the pipe's surface. This coating acts as a barrier between the steel and the external environment, preventing direct contact with moisture and corrosive substances. Another technique involves galvanization, where the steel pipes are coated with a layer of zinc. Zinc is highly resistant to corrosion and acts as a sacrificial anode. In case of any damage to the coating, the zinc corrodes instead of the steel, ensuring the steel remains intact and free from corrosion. Polyethylene or polypropylene materials can also be fused onto the steel surface, creating a strong bond that provides excellent resistance against corrosion. This method, known as fusion bonding, is commonly used in offshore and underground pipelines. Moreover, a layer of corrosion-resistant alloy can be applied to the steel pipe. This alloy is typically a combination of metals such as nickel, chromium, and molybdenum, which offer superior protection against corrosion in harsh environments. The choice of coating method depends on factors like operating conditions, the presence of corrosive substances, and the expected lifespan of the steel pipes. By effectively applying these coatings, steel pipes can be safeguarded against corrosion, extending their durability and ensuring the integrity of the infrastructure they are used in.
Q:
Steel pipes are commonly used in the transportation industry for various purposes such as the construction of pipelines, including oil and gas pipelines, water pipelines, and sewage pipelines. They are also used in the manufacturing of automotive parts, such as exhaust systems, and in the construction of infrastructure such as bridges and tunnels. Additionally, steel pipes are used in the transportation of goods through shipping containers and railway tracks.
Q:
Steel pipes are commonly used in transportation for various purposes. They are used in the construction of pipelines for transporting fluids, such as oil, gas, and water, over long distances. Steel pipes are also utilized in the manufacturing of vehicle components, including exhaust systems, chassis, and suspension parts. Additionally, steel pipes can be found in infrastructure projects like bridges and tunnels, providing structural support for transportation networks.
Q:
Galvanized steel pipes are commonly used in various industries and applications such as plumbing, water supply systems, gas pipelines, electrical conduits, construction projects, fencing, and outdoor structures. The galvanization process adds a protective zinc coating to the steel, making it resistant to corrosion and extending its lifespan, making it ideal for applications requiring durability and longevity.
Q:
Steel pipes perform well in extreme temperature variations due to their high thermal conductivity and low thermal expansion coefficient. This allows them to efficiently transfer heat and withstand the expansion and contraction caused by temperature fluctuations without compromising their structural integrity.
Q:
There are several methods of pipe joining using steel pipes, each with its own advantages and disadvantages. 1. Threaded and coupled: This method involves threading the ends of the steel pipes and using couplings to connect them. It is a simple and cost-effective method, but it is not suitable for high-pressure or gas applications. 2. Welding: Welding is a popular method for joining steel pipes. It involves heating the ends of the pipes and fusing them together using a welding process. This method creates a strong and leak-proof joint, but it requires skilled labor and can be time-consuming. 3. Grooved: In this method, the ends of the steel pipes are grooved and then connected using mechanical couplings or fittings. It is a quick and reliable method, suitable for both high-pressure and low-pressure applications. However, it requires specialized tools and equipment. 4. Flanged: Flanged joints involve connecting steel pipes using flanges, which are flat discs with bolt holes. The pipes are aligned and bolted together using gaskets to create a secure connection. This method is commonly used for large-diameter pipes and high-pressure applications, but it can be expensive and time-consuming to install. 5. Compression: Compression fittings are used to join steel pipes by compressing a ferrule or sleeve against the pipe. This method is quick, easy, and requires no special tools. However, it is not suitable for high-pressure or high-temperature applications. 6. Brazing: Brazing involves heating the ends of the steel pipes and melting a filler material between them to form a joint. It is a reliable method for joining pipes in HVAC and refrigeration systems, but it requires skilled labor and careful temperature control. It is important to consider the specific requirements of the application, such as pressure, temperature, and material compatibility, when selecting the appropriate method of pipe joining using steel pipes.
Q:
The safety regulations for working with steel pipes may vary depending on the specific circumstances and location, but some common safety measures include wearing appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toed boots, ensuring proper handling techniques to prevent injuries, using proper lifting equipment to prevent strain or back injuries, implementing proper ventilation and respiratory protection when working in confined or poorly ventilated spaces, and following proper procedures for welding, cutting, or bending steel pipes to minimize the risk of fire or explosions. It is essential to consult and adhere to local safety regulations and guidelines to ensure a safe working environment when dealing with steel pipes.
Q:
There are several grades of steel pipes, including ASTM A53, ASTM A106, and API 5L. These grades vary in terms of their composition, strength, and intended use.
Q:
Steel pipes are tested for quality control through various methods such as visual inspection, dimensional checks, and non-destructive testing techniques including ultrasonic testing, magnetic particle inspection, and hydrostatic pressure testing. These tests ensure that the pipes meet the required specifications, standards, and structural integrity, ensuring their quality and reliability.

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