Carbon Steel Seamless Steel Pipe API 5L High Quality

Carbon Steel Seamless Steel Pipe API 5L High Quality System 1

Carbon Steel Seamless Steel Pipe API 5L High Quality

Ref Price:

Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 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 Square Tube Description:

The square tubes are used in structural projects, shelves, racks, trailers and in ornamental purpose. The framework made by square steel tubes, is used for providing support to the roof. This framework is also used as roof top ventilation baffles. With compare to round steel tubes, square steel tubes are little more efficient. The reason is that the square column is more efficient than the solid circular column.

2、Main Features of the Square Tube:

high quality and low peice
quick delievry
in stock
produced by own factory
authentication:CANS CNAB IAF PAC CEC

3、Square Tube Images:

Square Tube with Low Price in China from okorder.com

Packaging & Delivery

Packaging Details	In Bundles, Varnish coating, Ends can be bevelled or square cut, End capped.
Delivery Details	10 days

4、Square Tube Specification：

Standard	JIS, GB, DIN, ASTM JIS G3445-2006, JIS G3444-2006, JIS G3446-2004, JIS G3441, GB/T 8163-1999, GB/T 8162-1999, DIN EN 10216-1-2004, DIN EN 10217-1-2005, DIN EN 10305, ASTM A106-2006, ASTM A53-2007, ASTM A789-2001, ANSI A213-2001, ASTM A179-1990
Grade	10#-45#, Cr-Mo alloy, Mo, Q195-Q345, CrNi alloy 10#, 20#, 45#, 15CrMo, 12CrMo, 13CrMo44, 12CrMo195, 16Mo, 16mo3, Q235, Q345, Q195, Q215, Cr17Ni8, 1Cr13Mn9Ni1N
Thickness	1-50mm
Outer Diameter	1515---8080
Technique	Hot Rolled
Certification	API
Surface Treatment	Copper Coated
Alloy Or Not	Non-alloy

standard: ASTM JIS DIN GB
size: O.D: 10*10——50*50 mm
W.T: 1-50 mm
length: 6-12m or as request

packing: paint,bundles or for the clients’ needs

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.

Q:How are steel pipes classified based on pressure ratings?: Steel pipes are classified based on pressure ratings into different categories such as schedule numbers or pressure classes, which indicate their ability to withstand different levels of pressure.

Q:What's the difference between seamless steel pipe and welded pipe?: Welded steel pipe, also known as welded pipe, is made of steel or strip after the formation of welding welded steel pipe, usually 6 meters in length. Welded steel pipe production technology is simple, high production efficiency, varieties and specifications, equipment investment is less, but the general strength is lower than seamless steel pipe.

Q:What are the applications of steel pipes?: Steel pipes are widely used in various industries and applications due to their exceptional strength, durability, and versatility. Some common applications of steel pipes include transportation of fluids and gases in oil and gas industry, water supply and drainage systems, structural support in construction projects, plumbing and heating systems, manufacturing of automobiles and machinery, and in the agricultural sector for irrigation and irrigation systems. Additionally, steel pipes are also used in the energy and power generation sector, chemical processing plants, and for underground and underwater installations.

Q:How do steel pipes compare to other pipe materials like PVC or copper?: Steel pipes have several advantages over other pipe materials like PVC or copper. Firstly, steel pipes are incredibly strong and durable, making them suitable for high-pressure applications and long-term use. They have a higher resistance to cracking or breaking, which is especially beneficial in demanding environments. Secondly, steel pipes have excellent heat resistance, making them ideal for transporting hot fluids. On the other hand, PVC pipes are more lightweight, cost-effective, and easy to install, making them suitable for non-pressure applications. Copper pipes are known for their corrosion resistance and ability to handle high temperatures, but they are typically more expensive. Overall, the choice between steel, PVC, or copper pipes depends on the specific requirements of the application, considering factors like pressure, temperature, cost, and ease of installation.

Q:Are steel pipes suitable for use in acidic environments?: Steel pipes may not be suitable for use in acidic environments because they can corrode and degrade when exposed to acids, leading to potential leaks and structural issues.

Q:What are the different methods of pipe coating for steel pipes?: There are several different methods of pipe coating for steel pipes, each with its own advantages and applications. One common method is fusion bonded epoxy (FBE) coating. This involves heating the steel pipe and applying a thermosetting powder that melts and adheres to the surface, creating a strong and durable coating. FBE coating provides excellent corrosion protection and is commonly used in the oil and gas industry. Another method is liquid epoxy coating. This involves applying a liquid epoxy resin to the surface of the steel pipe, which then cures and forms a protective barrier. Liquid epoxy coating is often used for smaller diameter pipes and provides good chemical resistance. Polyethylene (PE) coating is another popular method, particularly for pipelines that will be buried underground. PE coating involves wrapping the steel pipe with a layer of polyethylene, which provides excellent resistance to water, chemicals, and abrasion. Polyurethane (PU) coating is another option, offering a high level of chemical resistance and flexibility. It is typically used for offshore applications and in environments with extreme temperatures. Other methods of pipe coating include coal tar enamel (CTE) coating, which provides excellent resistance to water and chemicals, and concrete weight coating, which adds weight to the pipe to ensure stability in underwater or subsea applications. In summary, the different methods of pipe coating for steel pipes include fusion bonded epoxy (FBE), liquid epoxy, polyethylene (PE), polyurethane (PU), coal tar enamel (CTE), and concrete weight coating. The choice of coating method depends on the specific requirements of the application, such as corrosion protection, chemical resistance, or stability.

Q:How are steel pipes measured and specified?: Several key parameters are used to measure and specify steel pipes. These parameters include the outer diameter (OD), wall thickness, and length of the pipe. The outer diameter is the measurement of the pipe's outside surface from one end to the other. It is typically expressed in millimeters or inches and plays a critical role in determining the pipe's strength and carrying capacity. Different applications require different OD sizes, which can range from a few millimeters to several feet. The wall thickness refers to the distance between the pipe's outer and inner surfaces. It is measured in millimeters or inches and is crucial for determining the pipe's durability and resistance to pressure. Thicker walls can handle higher pressure, making them suitable for applications that require transporting liquids or gases under high pressure. Steel pipes are generally specified in meters or feet for their length. Standard pipe lengths are often 6 or 12 meters (20 or 40 feet), but custom lengths can be requested based on project requirements. It is important to note that longer pipes may require additional support to prevent sagging or structural issues. In addition to these primary measurements, steel pipes may also be specified based on other factors such as material grade, manufacturing standard, and surface finish. Material grade refers to the quality and composition of the steel used in the pipe, determining its strength and corrosion resistance. Manufacturing standards, such as ASTM or API, ensure that the pipes meet specific quality and performance criteria. Surface finish specifications may include factors like galvanized coating, providing protection against corrosion or other specific requirements based on the intended application. Overall, the measurement and specification of steel pipes involve considering the outer diameter, wall thickness, length, material grade, manufacturing standard, and surface finish. These parameters are crucial in determining the suitability of the pipe for various applications and ensuring its performance and durability in different environments.

Q:How do you calculate the pipe volume flow rate for steel pipes?: The pipe volume flow rate for steel pipes can be calculated using the formula: V = A * V_avg, where V is the volume flow rate, A is the cross-sectional area of the pipe, and V_avg is the average velocity of the fluid flowing through the pipe.

Q:What does the diameter of a steel pipe project mean?: Suppose we specify a standard that defines the nominal diameter of the same steel tube as G-1, then this G-1 is the same as DN50.I hope it doesn't make you any more confused, huh?. If you still don't understand, keep in mind that the nominal diameter is neither outside nor inside diameter.

Q:Can steel pipes be used for underground sewer lines?: Yes, steel pipes can be used for underground sewer lines.

1. Manufacturer Overview
Location
Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates
a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability
a)Trade Capacity
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range