• Square rectangular pipe for high quality structure System 1
  • Square rectangular pipe for high quality structure System 2
Square rectangular pipe for high quality structure

Square rectangular pipe for high quality structure

Ref Price:
get latest price
Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
5 m.t.
Supply Capability:
9000 m.t./month

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Item specifice

Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring
Shape:
U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#
Certification:
ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL
Thickness:
0mm-35mm
Length:
3m-12m
Net Weight:
0-5

 

1Structure of  Square rectangular pipe for high quality structure

Square tube, square tube is a kind of call and rectangular tube, is equal and not equal to the length of steel pipe. Is the strip through the process of processing roll system. In general is the strip through the demolition of the package, flat, curly, welded to form a circular tube, and then rolled into a square tube and then cut into a square tube and then cut into the required length.

 

2‍‍Main Features of  Square rectangular pipe for high quality structure:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3 Square rectangular pipe for high quality structure Specification

Standard

GB, DIN, ASTM

Grade

10#-45#, 16Mn

10#, 20#, 45#, 16Mn

Thickness

1.5 - 25 mm

Section Shape

Square  and rectangular

Outer Diameter

20*20 mm-------400*400mm   20*30mm*300*500mm

Place of Origin

Tianjin, China (Mainland)

Length

3-12M

Outer Diameter

20*20 mm-------400*400mm   20*30mm*300*500mm

Grade 

235B   345B 

Standard

ASME, ASTM

 

1) Material:(ASTM A 106/A53 GRB.API5LGRB,GB,235B,345B

2) Specification range:OD: 20*30mm----300*500mm 20*20 mm---400*400mm    ,WT: 1.5 - 25 mm   ,length:3-12m or according to the requirement of clients.

3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above
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  Square rectangular pipe for high quality structure:  

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.

 

6 Square rectangular pipe for high quality structure  Images ‍‍

Square rectangular pipe for high quality structure

Square rectangular pipe for high quality structure

 

 

Q:How to distinguish between steel pipe and spiral pipe material?
The alloy tube can be divided into: low alloy pipe, alloy pipe structure, high alloy tube, high strength tube. Bearing tube, heat resistant acid resistant stainless pipe, precision alloy (such as cutting alloy) pipe, high temperature alloy tube, etc..
Q:What is the maximum temperature and pressure that steel pipes can withstand?
The maximum temperature and pressure that steel pipes can withstand depend on various factors such as the grade of steel, wall thickness, and intended application. However, in general, steel pipes can typically withstand temperatures up to 1000-1200°C (1800-2200°F) and pressures ranging from 1000-5000 psi (6.9-34.5 MPa). It is important to consult specific industry standards and engineering guidelines for accurate information based on the specific steel grade and application.
Q:Are steel pipes fire resistant?
Indeed, steel pipes possess fire-resistant properties. Steel, being a non-combustible substance, does not ignite or aid in the propagation of flames. Moreover, steel pipes exhibit a remarkable resistance to high temperatures, allowing them to endure extreme conditions. Consequently, they are ideal for situations demanding fire resistance. Furthermore, steel is a resilient material that maintains its structural integrity and does not deteriorate when subjected to fire. Consequently, steel pipes are frequently selected for fire protection systems, including building sprinkler systems, as well as for industrial purposes when confronted with fire risks.
Q:What are the uses of welded steel pipes?
Low pressure fluid conveying galvanized steel tube (GB/T3091-1993) is also called galvanized pipe, commonly known as white tube. It is used for hot water, gas, air, oil, heating, steam, warm water and other generally low pressure fluid or other hot dip galvanizing (furnace welding or welding) steel pipe. The wall thickness of the steel pipe is divided into ordinary galvanized steel pipe and thick galvanized steel pipe. The end of the pipe is divided into non - threaded galvanized steel pipe and threaded galvanized steel pipe. The specification of steel pipe is expressed by nominal caliber (mm). The nominal diameter is the approximate value of the inner diameter. Usually used in inches, such as 11/2.
Q:How do steel pipes compare to other types of piping materials?
Steel pipes are highly durable and have excellent strength, making them superior to other types of piping materials in terms of longevity and resistance to extreme conditions. They are also more cost-effective, as steel pipes require less maintenance and have a longer lifespan. Additionally, steel pipes have better corrosion resistance, making them ideal for various applications, especially in industries where chemical exposure is common.
Q:What are the common standards for manufacturing steel pipes?
The common standards for manufacturing steel pipes include specifications set by international organizations such as the American Society for Testing and Materials (ASTM), the International Organization for Standardization (ISO), and the European Committee for Standardization (EN). These standards cover aspects such as material composition, dimensions, mechanical properties, and testing methods to ensure quality and compatibility in steel pipe production.
Q:Can steel pipes be used for underground drainage systems?
Yes, steel pipes can be used for underground drainage systems.
Q:How are steel pipes inspected for defects?
Steel pipes are inspected for defects using various methods, including visual inspection, ultrasonic testing, magnetic particle inspection, dye penetrant testing, and radiographic examination. These techniques help identify any cracks, corrosion, or other defects in the pipes to ensure their structural integrity and prevent any potential hazards or failures.
Q:Do steel pipes expand or contract with temperature changes?
When the temperature increases, steel pipes undergo expansion, while they contract when the temperature decreases. This occurrence is due to the thermal expansion and contraction characteristics of steel, which are present in most materials. When steel pipes are heated, the molecules within the metal gain energy and vibrate more intensely, causing them to separate and increase in size. On the contrary, when the temperature of the steel pipes decreases, the molecules lose energy and move closer together, resulting in a reduction or shrinking in size. It is crucial to take into consideration these thermal expansion and contraction properties of steel pipes during their design and installation, as failure to accommodate these fluctuations might result in structural damage, leaks, or other complications.
Q:What is the difference between hot-dip galvanizing and electroplating for steel pipes?
Hot-dip galvanizing and electroplating are two common methods used to provide corrosion protection for steel pipes, but there are key differences between the two processes. Hot-dip galvanizing involves immersing the steel pipes into a bath of molten zinc, which forms a metallurgical bond with the steel. This results in a thick and durable zinc coating that provides excellent corrosion resistance. The process of hot-dip galvanizing creates a uniform coating that covers the entire surface of the steel pipe, including both the external and internal surfaces. This makes hot-dip galvanizing particularly effective for protecting both the inside and outside of the pipes. On the other hand, electroplating is a process that involves the deposition of a thin layer of metal onto the surface of the steel pipes using an electric current. In the case of electroplating for steel pipes, typically a layer of zinc is applied. Unlike hot-dip galvanizing, electroplating does not provide a metallurgical bond between the zinc and the steel. Instead, it creates a mechanical bond, which is not as strong or durable as the bond formed through hot-dip galvanizing. The electroplated zinc layer is thinner compared to hot-dip galvanizing, which means it may not provide the same level of corrosion protection. Another difference between hot-dip galvanizing and electroplating is the application process. Hot-dip galvanizing requires immersing the steel pipes into a bath of molten zinc, which can be a time-consuming process. Electroplating, on the other hand, involves applying the zinc coating through an electrolytic cell, which can be faster and more efficient. In summary, the main difference between hot-dip galvanizing and electroplating for steel pipes lies in the thickness and durability of the coating, as well as the bonding mechanism between the zinc and the steel. Hot-dip galvanizing provides a thicker and more durable coating with a metallurgical bond, making it more effective for long-term corrosion protection. Electroplating, on the other hand, creates a thinner coating with a mechanical bond, which may be suitable for applications requiring a less robust level of corrosion resistance.

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