The Complete Model Of The Seamless Steel Pipe Standard

The Complete Model Of The Seamless Steel Pipe Standard System 1

The Complete Model Of The Seamless Steel Pipe Standard

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 33 m.t.

Supply Capability:: 500 m.t./month

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Product Description:

‍‍1、Structure of Steel Pipe Descrption: ‍‍

Having vast industrial knowledge of domain, we are offering a quality approved array of Stainless Steel Round Pipe. The Stainless Steel Round Pipe we offer is widely demanded amongst the clients for its sturdiness and reliability. These products are tested for their quality before being introduced in the market.

2、Main Features of the Steel Pipe:

·Highly demanded

·Durable

·Reliable

·resist corrosion

3、Steel Pipe Images：

The Complete Model Of The Seamless Steel Pipe Standard

4、The Steel Pipe Specification:

Standard	JIS, DIN, ASTM JIS G3445-2006, JIS G3444-2006, JIS G3446-2004, DIN EN 10216-1-2004, DIN EN 10217-1-2005, DIN EN 10305, ASTM A106-2006, ASTM A53-2007, ASTM A789-2001, ASTM A1020-2002, ASTM A179-1990, ASTM A199
Grade	Cr-Mo alloy, Mo, ST35-ST52, Q195-Q345, CrNi alloy 15CrMo, 10CrMo910, 30CrMo, 15Mo3, 16Mo, St37, St52, St42, St45, Q235, Q345, Q195, Q215, Cr17Ni8, 1Cr13Mn9Ni1N
Thickness	2 - 50 mm
Section Shape	Round
Outer Diameter	10 - 900 mm
Secondary Or Not	Non-secondary
Application	Structure Pipe
Technique	EFW
Certification	API
‍‍Surface Treatment	Paint
Special Pipe	API Pipe
Alloy Or Not	Non-alloy

Specifications

1.W.T from 2mm to 70mm
2.OD from 10 to 1200mm
3.product by our own factory
4.on time dilivery

5、FAQ of Square Tube:

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.

Any question, pls feel free to contact us !

Q:What is the difference between internal coating and external lining of steel pipes?: Internal coating and external lining are two different methods used to protect steel pipes from corrosion and other forms of damage. Internal coating refers to the process of applying a protective layer or coating to the inner surface of the steel pipe. This is done to prevent the pipe from corroding or being damaged by the fluid or substance being transported through it. The coating is typically made of materials such as epoxy, polyurethane, or polyethylene, which provide a barrier between the pipe and the transported material. Internal coating helps to extend the lifespan of the pipe and maintain the quality of the transported material. On the other hand, external lining refers to the process of applying a protective layer or lining to the outer surface of the steel pipe. This is done to protect the pipe from external factors such as soil, moisture, chemicals, or physical damage. The external lining is usually made of materials such as polyethylene, polypropylene, or fusion-bonded epoxy. The lining acts as a barrier, preventing corrosive substances from coming into contact with the pipe and causing damage. It also helps to maintain the structural integrity of the pipe and prevent any leaks or cracks from forming. In summary, the main difference between internal coating and external lining of steel pipes is the location of the protective layer. Internal coating is applied to the inner surface of the pipe, while external lining is applied to the outer surface. Both methods aim to protect the pipe from corrosion and damage, but they focus on different aspects of pipe protection.

Q:How do you measure the diameter of a steel pipe?: To measure the diameter of a steel pipe, you can use a caliper or a measuring tape. Place the caliper jaws or measuring tape around the widest part of the pipe, ensuring it is perpendicular to the pipe's axis. Take the reading displayed on the caliper or measure the distance between the two points on the measuring tape. This measurement will provide you with the diameter of the steel pipe.

Q:What are the different types of gaskets used with steel pipes?: There are several types of gaskets used with steel pipes, including spiral wound gaskets, ring joint gaskets, and non-metallic gaskets. These gaskets are used to create a tight seal between pipe flanges, preventing leakage of fluids or gases.

Q:How are steel pipes protected against lightning strikes?: Steel pipes are protected against lightning strikes by installing lightning rods or grounding systems on top of the structures where the pipes are located. These systems help to divert the electrical discharge from lightning strikes, reducing the risk of damage to the steel pipes.

Q:What are the different methods of lining steel pipes?: There exist various techniques for lining steel pipes, each possessing distinct advantages and applications. Some popular methods comprise: 1. Cement Mortar Lining: This technique entails the application of a cement mortar layer onto the inner surface of the steel pipe. Cement mortar offers outstanding protection against corrosion and grants smoothness to the pipe, consequently diminishing friction and enhancing flow rates. It finds common usage in water supply systems and sewage treatment plants. 2. Polyethylene (PE) Lining: PE lining necessitates the insertion of a polyethylene tube into the steel pipe. Typically, the tube is heat fused or mechanically connected to the steel pipe, resulting in a seamless and corrosion-resistant lining. PE lining is commonly employed in gas transmission and distribution pipelines. 3. Epoxy Lining: Epoxy lining involves the application of an epoxy resin onto the inner surface of the steel pipe. Epoxy coatings exhibit exceptional resistance to corrosion, abrasion, and chemicals, thereby making them suitable for a variety of applications such as oil and gas pipelines, water treatment, and industrial processes. 4. Trenchless Pipe Lining: This method serves to rehabilitate existing steel pipes without the requirement of excavation. It encompasses the insertion of a liner or resin-coated fabric into the existing pipe, which is subsequently inflated and cured to form a new lining. Trenchless pipe lining is commonly utilized for sewer and water main rehabilitation. 5. Polyurethane (PU) Lining: PU lining involves the spraying or pouring of a polyurethane coating onto the inner surface of the steel pipe. Polyurethane linings deliver excellent resistance to abrasion, impact, and chemicals, thereby suiting applications in mining, slurry pipelines, and wastewater treatment. These represent merely a few of the numerous methods accessible for lining steel pipes. The selection of a lining approach is contingent upon factors such as the intended application, the environment, and the desired level of corrosion resistance and durability.

Q:How are steel pipes used in the construction of chemical plants?: Steel pipes are commonly used in the construction of chemical plants due to their excellent durability, strength, and resistance to corrosion. They are used to transport various chemicals, gases, and fluids throughout the plant, ensuring a safe and efficient flow. These pipes are also used for structural support, providing stability to the plant's infrastructure. Additionally, steel pipes are often used for the installation of heating, ventilation, and air conditioning systems, as well as for the construction of process equipment and storage tanks within the chemical plant.

Q:How to distinguish seamless pipe and welded pipe?: Most of the welded pipe is six meters, the pipe has obvious welding marks, and seamless pipe wall without welding marks

Q:What is a valve and how is it used in steel pipes?: A valve is a device used to control the flow of fluid or gas within a system. In steel pipes, valves are used to regulate and control the flow of liquids or gases by opening, closing, or partially obstructing the passage within the pipe. They are essential for redirecting or stopping the flow, ensuring the safe and efficient operation of the steel pipe system.

Q:How are steel pipes used in bridge construction?: Steel pipes are commonly used in bridge construction for various purposes. They are often used as piles to provide structural support to the bridge foundation, ensuring stability against soil movement and water pressure. Additionally, steel pipes are used as structural components in the bridge's superstructure, such as for trusses and beams, due to their high strength and durability. Steel pipes also play a crucial role in carrying utilities, such as water and gas pipelines, across the bridge. Overall, steel pipes are an essential element in bridge construction, providing strength, stability, and functionality to the structure.

Q:How do steel pipes compare to ductile iron pipes?: Steel pipes and ductile iron pipes have some similarities, such as being durable and strong materials for piping systems. However, there are a few key differences between the two. Steel pipes are typically lighter and more flexible, making them easier to handle and install. They also have a higher resistance to corrosion and can withstand higher pressure and temperature conditions. On the other hand, ductile iron pipes have a higher tensile strength and are more resistant to impact and vibration. Overall, the choice between steel and ductile iron pipes depends on specific project requirements, such as the intended application, location, and budget constraints.

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