• Hot-Dipped Galvanized Seamless Steel Pipe System 1
  • Hot-Dipped Galvanized Seamless Steel Pipe System 2
Hot-Dipped Galvanized Seamless Steel Pipe

Hot-Dipped Galvanized Seamless Steel Pipe

Ref Price:
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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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Product Description:

1Structure of Welded Steel Tube: 

We are company that have many years experience and professional manager team and engineer team and sales team, sure we will provide you high quality of pipe and professioanl service.Welded Steel Tube is formed by drawing a solid billet over a piercing rod to create the hollow shell. We are company that have many years experience and professional manager team and engineer team and sales team, sure we will provide you high quality of welded pipe and professioanl service.

 

2‍‍Main Features of the Welded Steel Tube:

• High manufacturing accuracy

• The higher strength

• The small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Satisfy price 

 

3Welded Steel Tube 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 Welded Steel Tube:  

How is the quality of your products?
    Our products are strictly in accordance with international and domestic standard. We test on every pipe before delivery. Any quality certification or testing report you want to see, please tell us.
Guaranteed: If products’ quality is not in accordance with description as we provide or the promise before you place order, we promise 100% refund.

How about the price?
    Yes, we are factory and be capable of offering you the lowest price. One of our policy is that “ to save time and be absolutely honest with our business relationship, we quote as low as possible for every client, and discount can be given according to the quantity”, if you are interested in bargain and dissatisfy our factory price, just don’t waste your time. Our quotation is professional.

Why should you choose us?
    Choice happens because of our quality and price. Additionally, we can also offer professional products inquiry, products knowledge train (for agents), fast goods delivery, outstanding 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 OK.

 

6‍‍ Welded Steel Tube Images

 

 

 

 

Q: How are steel pipes used in mining?
Steel pipes are extensively used in mining for various purposes, such as transporting fluids, ventilation systems, and structural support. They are commonly employed for carrying water, slurry, or other liquids to different parts of the mine. Additionally, steel pipes are utilized for creating ventilation systems to ensure fresh air supply and remove harmful gases from underground mining operations. Moreover, they provide crucial structural support for tunnels, shafts, and other mining infrastructure due to their strength and durability.
Q: What does GALV mean in a steel tube?
GALV is the abbreviation of English galvanized (Galvanized), which means galvanized steel pipe.
Q: What are the different methods of coating steel pipes for insulation?
There are several methods of coating steel pipes for insulation, including applying a layer of thermal insulation material, such as foam or fiberglass, directly onto the surface of the pipe, using a heat shrink sleeve or tape to wrap around the pipe, or applying a liquid coating that hardens and provides insulation.
Q: What is the thermal expansion coefficient of steel pipes?
The thermal expansion coefficient of steel pipes is typically around 0.000011 to 0.000012 per degree Celsius, which means that for every degree Celsius increase in temperature, the length of the steel pipe will expand by approximately 0.0011% to 0.0012%.
Q: What are the different manufacturing standards for steel pipes?
There are several manufacturing standards for steel pipes that are widely recognized and implemented in the industry. These standards ensure that the steel pipes are produced to meet specific requirements and quality standards. Some of the most common manufacturing standards for steel pipes include: 1. American Society for Testing and Materials (ASTM): ASTM standards are widely used in the United States and cover a wide range of steel pipe specifications. These standards include specifications for seamless and welded steel pipes, as well as various grades and dimensions. 2. International Organization for Standardization (ISO): ISO standards are globally recognized and provide guidelines for the production of steel pipes. ISO standards cover areas such as dimensions, materials, testing, and quality control. 3. European Norm (EN): EN standards are applicable in Europe and provide specifications for various types of steel pipes. These standards cover aspects such as dimensions, materials, manufacturing processes, and testing. 4. Japanese Industrial Standards (JIS): JIS standards are widely used in Japan and have gained international recognition. These standards cover dimensions, materials, and testing methods for steel pipes. 5. British Standards (BS): BS standards are commonly used in the United Kingdom and cover a range of steel pipe specifications. These standards include requirements for dimensions, materials, and testing procedures. 6. American Petroleum Institute (API): API standards are specifically developed for the oil and gas industry and cover various aspects of steel pipe manufacturing. These standards include specifications for seamless and welded pipes used in oil and gas exploration, production, and transportation. It is important for manufacturers, buyers, and users of steel pipes to be aware of these standards to ensure the quality, compatibility, and reliability of the pipes. Compliance with these standards helps to ensure that the steel pipes meet the necessary requirements and are suitable for their intended applications.
Q: What are the different methods of cleaning steel pipes?
There are several methods of cleaning steel pipes, including mechanical cleaning, chemical cleaning, and high-pressure water jetting. Mechanical cleaning involves the use of brushes, scrapers, or other abrasive tools to remove dirt and debris from the pipe's surface. Chemical cleaning involves the application of solvents or acids to dissolve tough stains or residues. High-pressure water jetting uses a powerful stream of water to dislodge and remove contaminants from the pipe. These methods can be used individually or in combination depending on the specific cleaning requirements.
Q: The difference between carbon and welded steel tubes
Seamless steel pipe is made of Steel No. 10-20. It is of high quality carbon structural steelWelded steel pipe is usually welded by Q235 steel plate
Q: How are steel pipes coated to prevent external corrosion?
Steel pipes are commonly coated to prevent external corrosion through various methods such as galvanization, epoxy coating, or polyethylene wrapping. These coatings act as barriers between the steel surface and the external environment, protecting the pipes from moisture, chemicals, and other corrosive elements.
Q: Can steel pipes be used for conveying abrasive slurries?
Indeed, abrasive slurries can be effectively conveyed through steel pipes. The remarkable durability and strength of steel pipes render them highly suitable for the transportation of abrasive substances like slurries. Nevertheless, to guarantee prolonged service life and avert excessive deterioration, it is crucial to carefully choose the right grade of steel and take into account factors such as pipe thickness, lining choices, and flow velocity. Furthermore, the implementation of adequate maintenance and inspection protocols can play a pivotal role in promptly identifying and resolving any wear or corrosion issues that may arise with time.
Q: Can steel pipes be used for oil refineries?
Yes, steel pipes are commonly used in oil refineries due to their high strength, durability, and resistance to corrosion, making them suitable for transporting various petroleum products and chemicals within the refinery infrastructure.

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