• High Quality Seamless Steel pipe in china System 1
  • High Quality Seamless Steel pipe in china System 2
  • High Quality Seamless Steel pipe in china System 3
  • High Quality Seamless Steel pipe in china System 4
High Quality Seamless Steel pipe in china

High Quality Seamless Steel pipe in china

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
2000000 m.t./month

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1Structure of High Quality Seamless Steel pipe in china: 

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 High Quality Seamless Steel pipe in china:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price  

 

3High Quality Seamless Steel pipe in china 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 High Quality Seamless Steel pipe in china:  

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.

 

6High Quality Seamless Steel pipe in china Images ‍‍

 

High Quality Seamless Steel pipe in china

High Quality Seamless Steel pipe in china

High Quality Seamless Steel pipe in china

 

Q: What is the role of steel pipes in the mining and extraction of minerals?
Steel pipes play a crucial role in the mining and extraction of minerals. They are widely used in various mining operations to transport water, slurry, and other fluids, as well as to provide structural support and ventilation in underground mines. One of the primary uses of steel pipes in mining is for transporting water or slurry. Water is essential in the mining process for various purposes, such as dust suppression, ore processing, and site rehabilitation. Steel pipes are used to create a network of pipelines that transport water from a source, such as a dam or reservoir, to different areas within the mine site. Similarly, slurry, a mixture of water and crushed minerals, is often transported through steel pipes to processing plants or tailings dams. Steel pipes also play a critical role in providing structural support in underground mines. Underground mining operations require tunnels and shafts to access valuable mineral deposits. These tunnels and shafts need to be reinforced to withstand the immense pressure exerted by the surrounding rock and prevent collapses. Steel pipes are used as support structures, such as roof bolts and rock bolts, to reinforce the walls and roofs of these underground excavations, ensuring the safety of miners and the stability of the mine structure. Additionally, steel pipes are used for ventilation systems in underground mines. Proper ventilation is vital in mining to ensure a constant supply of fresh air, remove harmful gases, and control temperature and humidity levels. Steel pipes are used to create ventilation shafts and ducts that facilitate the flow of air throughout the mine. This helps maintain a safe and healthy working environment for miners by preventing the buildup of toxic gases, dust, and heat. In summary, steel pipes are indispensable in the mining and extraction of minerals. They are used for transporting water, slurry, and other fluids, providing structural support in underground mines, and facilitating ventilation systems. Without steel pipes, the efficient and safe extraction of minerals from mines would be significantly hindered.
Q: How to descaling galvanized steel pipe?
Is red rust or white rust, red rust is the base material rust, white rust is Zinc Coating Rust
Q: How do steel pipes perform in high-altitude applications?
Steel pipes perform well in high-altitude applications due to their strength, durability, and resistance to extreme weather conditions. They can withstand the low temperatures and high winds typically found at high altitudes, making them a reliable choice for various industries such as oil and gas, construction, and infrastructure development. Additionally, steel pipes have the ability to maintain their structural integrity under high pressure, making them suitable for transporting fluids and gases at high altitudes.
Q: What does "HBB" glass steel pipe mean?
Non electrical corrosion, non-magnetic, suitable for single core cable laying, and steel pipe is a magnetic material, special treatment must be taken to prevent the formation of eddy currents.
Q: How are steel pipes insulated to prevent heat gain?
Steel pipes are insulated to prevent heat gain by using materials with low thermal conductivity, such as fiberglass or mineral wool, which are wrapped around the pipes. This insulation layer acts as a barrier, reducing the transfer of heat from the surroundings to the pipes, thereby minimizing heat gain. Additionally, a vapor barrier may be applied over the insulation to prevent moisture ingress, which could further impact the insulation's effectiveness.
Q: How are steel pipes used in offshore drilling platforms?
Steel pipes are used in offshore drilling platforms for various purposes such as transporting drilling fluids, casing and cementing operations, as well as providing support and stability to the platform structure. These pipes are crucial in facilitating the extraction of oil and gas from beneath the seabed by enabling the safe and efficient transfer of fluids and materials during drilling operations.
Q: Can steel pipes be used for underground oil and gas pipelines?
Yes, steel pipes are commonly used for underground oil and gas pipelines due to their durability, strength, and resistance to corrosion.
Q: Can steel pipes be used for underground compressed air pipelines?
Indeed, underground compressed air pipelines can utilize steel pipes. The strength and durability of steel pipes make them a popular choice for subterranean pipelines. They possess the capacity to endure high pressure and withstand corrosion and other environmental elements. Moreover, steel pipes are renowned for their extended lifespan, rendering them a dependable option for compressed air pipelines. Nevertheless, it is crucial to guarantee the adequate coating and protection of the steel pipes to avert any potential corrosion concerns. Furthermore, the proper installation and maintenance of these pipelines are vital to ensure their efficiency and safety.
Q: How do you prevent steel pipes from freezing?
To avoid freezing of steel pipes, there are several actions that can be taken: 1. Insulate the pipes: Utilize foam insulation sleeves or wrap the pipes with insulation tape. This will help maintain the temperature of the pipes and prevent freezing. 2. Seal any gaps or cracks: Examine the area surrounding the pipes and seal any gaps or cracks using caulk or expanding foam. This will prevent cold air from entering and causing freezing. 3. Install heat cables: Wrap heat cables around the steel pipes to provide a constant source of warmth. These cables can be controlled by a thermostat, ensuring that the pipes remain above freezing temperature. 4. Maintain above-freezing temperature: In regions with severe cold weather, it is recommended to keep the indoor temperature above freezing, even if the property is unoccupied. This will help maintain a suitable temperature for the pipes and prevent freezing. 5. Open cabinets and faucets: During extremely cold weather, open cabinet doors in kitchens and bathrooms to allow warm air to circulate around the pipes. Additionally, allowing faucets to drip slightly can keep water flowing and prevent freezing. 6. Drain the pipes: If the property will be vacant during freezing weather, it is advisable to completely drain the pipes. This can be achieved by shutting off the main water supply and opening all faucets until no water remains. This minimizes the risk of freezing and potential damage. Remember, taking preventive measures is vital in safeguarding steel pipes against freezing. By implementing these actions, you can significantly reduce the chances of frozen pipes and costly repairs.
Q: What are the different methods of lining steel pipes?
There are several methods of lining steel pipes, each with its own advantages and uses. Some common methods include: 1. Cement Mortar Lining: This involves the application of a layer of cement mortar on the inner surface of the steel pipe. Cement mortar provides excellent corrosion resistance and smoothness to the pipe, reducing friction and improving flow rates. It is commonly used in water supply systems and sewage treatment plants. 2. Polyethylene (PE) Lining: PE lining involves the insertion of a polyethylene tube into the steel pipe. The tube is usually heat fused or mechanically connected to the steel pipe, creating a seamless and corrosion-resistant lining. PE lining is commonly used in gas transmission and distribution pipelines. 3. Epoxy Lining: Epoxy lining involves the application of an epoxy resin to the inner surface of the steel pipe. Epoxy coatings provide excellent resistance to corrosion, abrasion, and chemicals, making them suitable for various applications such as oil and gas pipelines, water treatment, and industrial processes. 4. Trenchless Pipe Lining: This method is used to rehabilitate existing steel pipes without the need for excavation. It involves the insertion of a liner or resin-coated fabric into the existing pipe, which is then inflated and cured to form a new lining. Trenchless pipe lining is commonly used for sewer and water main rehabilitation. 5. Polyurethane (PU) Lining: PU lining involves spraying or pouring a polyurethane coating onto the inner surface of the steel pipe. Polyurethane linings provide excellent resistance to abrasion, impact, and chemicals, making them suitable for applications in mining, slurry pipelines, and wastewater treatment. These are just a few of the many methods available for lining steel pipes. The choice of lining method depends on factors such as the intended application, the environment, and the desired level of corrosion resistance and durability.

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