Square Tube with Low Price in China from okorder.com

Square Tube with Low Price in China from okorder.com System 1

Square Tube with Low Price in China from okorder.com

Ref Price:

Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 25 m.t.

Supply Capability:: 20000 m.t./month

Inquire Now

Chat Online

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

SIMPLE DESCRIPTION:

Square pipe/rectangular pipe
O.D	square:1515--500500mm
W.T	0.5mm-13mm
Length	5.8-12m or according to customers' demand.
Surface Treatment	Black finished /Galvanized/ Anticorrosion
International Standard	ISO 9000: 2008
Standard	GB/T6725, GB/T3094, ASTM A500, EN10210 and so on
Material	Q195/Q235/Q345, ST52-3,S235,S355 ect
Technique	Welded(electric resistance welding)
Packing	In bundles or according to customers' demand.
Usage	For construction and so on.
Place of Origin	Tianjin, China
Alloy or not	Non-alloy

A. 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.

B. 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

C. 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

D. 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

E. 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:How do you calculate the pipe thermal expansion coefficient for steel pipes?: To calculate the pipe thermal expansion coefficient for steel pipes, you need to consider the material's linear expansion coefficient and the change in temperature. The linear expansion coefficient for steel is typically around 12 x 10^-6 per degree Celsius. First, determine the initial length of the pipe, which is denoted as L0. Then, measure the change in temperature, denoted as ΔT. Next, multiply the initial length of the pipe by the linear expansion coefficient and the change in temperature: ΔL = L0 * α * ΔT. The resulting value, ΔL, represents the change in length of the steel pipe due to thermal expansion.

Q:How do steel pipes perform in high-altitude applications?: Steel pipes perform well in high-altitude applications due to their inherent strength and durability. The high tensile strength of steel allows it to withstand the harsh conditions and extreme temperature variations experienced at high altitudes. Furthermore, steel pipes are resistant to corrosion, making them suitable for use in high-altitude environments where exposure to moisture and atmospheric gases is common. Overall, steel pipes are a reliable choice for various high-altitude applications, including oil and gas transportation, construction, and infrastructure development.

Q:What is the difference between the stainless steel pipe welded pipe and seamless pipe?: Grain size: usually, the grain size of the metal is related to the heat treatment temperature and the time at which the metal is kept at the same temperature. Therefore, the welded pipe and seamless tube annealing of the same grain size. If the minimum tube cold treatment, the grain size of the weld metal is smaller than the grain size, welding or grain size is the same.Strength: the strength of the pipeline in the composition of the alloy and alloy containing the same and the same heat treatment of seamless tube and seamed tube essentially consistent strength. After the tensile test and three-dimensional vibration test, tube tearing almost all occurred in the welding point or away from the heated area where. This is because there is little impurity in the weld and the nitrogen content is slightly higher, so the strength of the welded joint is better than that of other parts. However, the ASME Boiler and Pressure Vessel Association believes that the seamed tube can withstand 85% of the allowable pressure, which is mainly due to improved welding equipment data collection prior to today. The provisions of ASME 100% completely under license by ultrasonic testing pressure tube. Similarly, Europe and Asia also stipulates that can ensure the quality of welding performance by eddy current test tube, the eddy current testing is subject to legal procedures and licensed institutions. Trent's eddy current test was approved by the Swedish power division. ASME believes the current loss is relatively small, high-quality performance based on the seamed tube.

Q:How are steel pipes used in the construction of chemical plants?: Steel pipes are widely used in the construction of chemical plants due to their durability, corrosion resistance, and ability to handle high pressure and temperature. These pipes are primarily utilized for transporting various chemicals, gases, and liquids within the plant, ensuring a safe and efficient flow of materials throughout the facility. They are commonly employed in the installation of process pipelines, utility systems, and structural supports, playing a crucial role in the overall functionality and reliability of chemical plants.

Q:Can steel pipes be used for nuclear power plants?: Yes, steel pipes can be used for nuclear power plants. Steel pipes are commonly used in the construction of nuclear power plants for various purposes such as transporting coolant, steam, and other fluids. Steel pipes offer excellent strength, durability, and resistance to high temperatures and pressure, making them suitable for the demanding conditions of nuclear power plants.

Q:What is the weight of steel pipes?: The weight of steel pipes can vary depending on their size, length, and thickness. However, on average, steel pipes typically weigh between 1.1 to 1.4 pounds per foot.

Q:Can steel pipes be used for conveying potable water?: Indeed, steel pipes have the capability to convey potable water. Nevertheless, there are certain factors and precautions that necessitate consideration. Steel pipes possess strength and durability, rendering them suitable for the transportation of water across significant distances. They are also resistant to corrosion and capable of enduring high levels of pressure. In order to guarantee the safety and quality of the water being conveyed, it is crucial to employ pipes that have been specifically designed and manufactured for potable water applications. These pipes are often equipped with coatings or linings composed of materials that inhibit the leaching of contaminants into the water, such as epoxy or cement mortar lining. Furthermore, regular maintenance and inspections should be conducted to prevent the accumulation of sediments or rust that could potentially impact the water quality. It is important to acknowledge that steel pipes may prove more costly in comparison to alternative materials such as plastic or copper. Nevertheless, their longevity and reliability render them a cost-effective choice in the long run. Adhering to local regulations and standards concerning the utilization of steel pipes for conveying potable water is also imperative to ensure the well-being and safety of consumers.

Q:What are the lengths of scaffold steel tubes?: Used to build scaffolding of steel pipes in general have two kinds, an outer diameter 48mm, wall thickness 3.5mm; another kind of outer diameter 51mm, wall thickness 3mm; according to its location and role of different, can be divided into vertical pole, horizontal rod, sweeping rod, etc.. According to the technical specification for construction of steel tubular scaffold with couplers, JGJ 130 - 2011[1]. The scaffolding steel pipe should be specified with the current national standard "GB/T13793" or "straight seam welded steel pipe welded steel pipe for low pressure liquid delivery" GB/T3091 Q235 ordinary steel pipe; steel pipe steel quality should meet the requirements of current national standard grade Q235 steel "carbon structural steel" in GB/T700. The scaffold pipe shall be made of a diameter of 48.3 * 3.6 steel tubes. The maximum mass of each steel tube shall not be greater than 25.8kg.

Q:How to descaling galvanized steel pipe?: Galvanized steel tubes will not rust in principle.... Batch rust with weak acid water immersion, individual can use steel wire brush brush on it.

Q:How to perform nondestructive inspection of steel tubes: The detection principle is based on the ferromagnetic material is magnetized in a magnetic field, discontinuity materials and products (defects) produce leakage magnetic field, magnetic powder adsorption (or detecting) and appear (or on the instrument display). Therefore, this method can only be used for the inspection of the surface or near surface defects of ferromagnetic materials or products.

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