Steel Pipe with High Quality and so on System 1

Steel Pipe with High Quality and so on

Ref Price:

Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 35 m.t.

Supply Capability:: 8000 m.t./month

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

Product Description:

‍‍1、Structure of Steel Pipe Q345 Descrption: ‍‍

steel welded pipe is actually a cover term, covering a wide range of alloy and making them suitable for different attributes that are used in a very wide and large numbers of different industries. Stainless steel pipe is resistant to erosion, highly flexible, powerful, easy to use, and can be done in distinct approaches, which means that more and more stainless steel was used as a construction material for large-scale, high impact buildings. It can be molded, rolling, and it can create amazing shapes to make it perfect, It is used as experimental buildings, The use of steel pipe welding of large stainless steel covers other examples.

2、Main Features of the Steel Pipe Q345:

·Highly demanded

·Durable

·Reliable

·resist corrosion

·reasonable price

3、Steel Pipe Q345 Images：

Steel Pipe with High Quality and so on

4、The Steel Pipe Q345 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:

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,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

Q: What are the common protective coatings used on the inner surface of steel pipes?: The common protective coatings used on the inner surface of steel pipes include epoxy, polyurethane, and cement mortar coatings. These coatings provide corrosion resistance, prevent the formation of scales, and improve the durability and lifespan of the pipes.

Q: Can steel pipes be used for underground fire sprinkler systems?: Underground fire sprinkler systems can indeed utilize steel pipes. The reason for their frequent usage in fire sprinkler systems is because of their robustness, endurance, and ability to withstand heat and corrosion. They prove to be suitable for underground installations as they guarantee a dependable and long-lasting performance. Moreover, steel pipes come in a variety of sizes and configurations, allowing for flexibility in the design and installation of underground fire sprinkler systems. Nevertheless, it is crucial to ensure that the steel pipes are properly coated or protected to prevent corrosion and maintain their effectiveness in an underground setting. Regular inspections and maintenance are also imperative in order to identify any potential issues or damages to the steel pipes, thus preserving the safety and functionality of the fire sprinkler system.

Q: How long do steel pipes typically last?: Steel pipes typically last for several decades, with an average lifespan ranging from 50 to 100 years depending on various factors such as usage, maintenance, and environmental conditions.

Q: Can steel pipes be coated for additional protection?: Yes, steel pipes can be coated with various materials to provide additional protection against corrosion, abrasion, and other environmental factors. Coatings such as epoxy, polyethylene, and zinc can be applied to enhance the durability and lifespan of steel pipes, making them suitable for diverse applications in different industries.

Q: What are the standard specifications for steel pipes?: The standard specifications for steel pipes vary depending on the intended use and industry. However, some common standard specifications for steel pipes include dimensions (such as diameter, wall thickness, and length), material composition (such as chemical and mechanical properties), and specific requirements for different applications (such as pressure ratings or corrosion resistance). These specifications are established by industry organizations like ASTM International, American Society of Mechanical Engineers (ASME), and International Organization for Standardization (ISO) to ensure the quality, safety, and compatibility of steel pipes in various sectors such as construction, oil and gas, plumbing, and manufacturing.

Q: What are the common standards for coating and lining of steel pipes?: Various organizations and regulatory bodies have outlined the common standards for coating and lining steel pipes to ensure their durability, corrosion resistance, and overall quality. These standards are widely recognized and utilized in different industries. Here are some examples: 1. The American Society for Testing and Materials (ASTM) has developed numerous standards for coating and lining steel pipes. For instance, ASTM A775/A775M addresses epoxy-coated reinforcing steel, ASTM A1064/A1064M focuses on metallic-coated steel wire, and ASTM A1057/A1057M covers fusion-bonded epoxy-coated steel reinforcement. 2. The American Water Works Association (AWWA) has established standards specifically for coating and lining steel pipes used in the water industry. AWWA C210 deals with liquid epoxy coating systems for both the interior and exterior of steel water pipelines, while AWWA C213 focuses on fusion-bonded epoxy coating for these pipelines. 3. The National Association of Corrosion Engineers (NACE) develops standards and recommended practices for corrosion control in steel pipes. NACE SP0169 provides guidelines for selecting and applying coatings for underground or submerged steel pipelines, and NACE SP0198 offers recommendations for external coatings of steel pipelines. 4. The International Organization for Standardization (ISO) has also developed various standards pertaining to coating and lining steel pipes. ISO 21809-1 specifies the requirements for external coatings applied to buried or submerged pipelines, while ISO 21809-2 concentrates on the internal coating and lining of such pipelines. These standards encompass multiple aspects of the coating and lining process, including surface preparation, application methods, minimum coating thickness, adhesion, and quality control. Adhering to these standards ensures that steel pipes receive proper protection against corrosion, abrasion, and other forms of deterioration. Consequently, they enjoy a longer service life and enhanced performance in industries such as oil and gas, water supply, and infrastructure.

Q: What are the main aspects of precision steel tubes?: Products according to their application areas are divided into: automotive, precision machinery tubes; power plants, nuclear power tubes; titanium and titanium alloy tubes; chemical tubes; varieties include colored, black; seamless; welding; general and special-shaped

Q: What are the different types of steel pipe supports for overhead piping?: There are several types of steel pipe supports for overhead piping, including pipe hangers, pipe clamps, beam clamps, and pipe rollers. Pipe hangers are used to support vertical pipes, while pipe clamps provide support for horizontal pipes. Beam clamps are designed to attach to structural beams and provide support for the pipe. Pipe rollers are used to allow the pipe to move freely, accommodating expansion and contraction.

Q: What does carbon seamless steel pipe mean? What is the difference between a seamless 20# and an ordinary one? What is it used in detail?: Carbon steel is actually relative to alloy steel, mainly carbon content, and 20# seamless steel is carbon steel! In addition, there are stainless steel, stainless steel is considered a kind of alloy steel, but the processing is not the same, the performance is not the same, good looking outside!The description of the material in alloy steel is actually the content of the metal elements in the steel (usually the percentage number).

Q: What are the different types of steel pipe coatings for corrosive environments?: There are several types of steel pipe coatings used for corrosive environments, including epoxy coatings, polyethylene coatings, fusion bonded epoxy coatings, and zinc coatings. These coatings provide a protective barrier against corrosion and extend the lifespan of the steel pipes in harsh conditions.

Send your message to us

*Email

*TEL

*Quantity

*Unit