• A variety of low carbon square rectangular tube System 1
  • A variety of low carbon square rectangular tube System 2
A variety of low carbon square rectangular tube

A variety of low carbon square rectangular tube

Ref Price:
get latest price
Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
15 m.t.
Supply Capability:
18000 m.t./month

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Specification

Standard:
AISI,JIS,GB,BS,API,EN,ASTM
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Saw,Extruded,EFW
Shape:
Square,Rectangular,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,10#,20#
Certification:
ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL
Thickness:
0-32
Length:
0-17
Net Weight:
0-10

 

1Structure of  A variety of low carbon square rectangular tube

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.

 

2A variety of low carbon square rectangular tube for steel structure:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3 A variety of low carbon square rectangular tubefor steel structure

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 ,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  Kinds of A variety of low carbon square rectangular tube

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 A variety of low carbon square rectangular tube Images ‍‍

 

A variety of low carbon square rectangular tube

A variety of low carbon square rectangular tube

Q: What are the different methods of coating steel pipes for insulation?
Insulating steel pipes can be achieved through various methods, each with its own pros and cons. 1. One method involves applying a layer of thermal insulation material, like mineral wool or foam, onto the steel pipes. This helps minimize heat transfer and energy loss. While these coatings are easy to apply and offer excellent insulation properties, they are prone to degradation over time and require regular maintenance and replacement. 2. Another approach is to coat the steel pipes with materials that protect against corrosion, such as epoxy or polyethylene. These coatings act as a barrier, shielding the pipes from moisture, chemicals, and other corrosive elements. They are durable and long-lasting, providing effective protection. However, they may not offer significant thermal insulation. 3. Fusion-bonded epoxy (FBE) coating is a popular method that combines both insulation and corrosion protection. It involves applying a layer of epoxy powder to the pipes and heating it to create a strong bond. FBE coatings offer excellent adhesion, corrosion resistance, and some thermal insulation properties. They are commonly used in oil and gas pipelines, enduring harsh environments and high temperatures. 4. Polyurethane foam is often used as an insulation coating for steel pipes. It is applied by spraying or injecting the foam onto the pipe surface, where it expands and hardens, forming a protective layer. Polyurethane foam coatings provide exceptional thermal insulation and can be applied to pipes of different shapes and sizes. However, they require specialized equipment and expertise and may be susceptible to physical damage or moisture absorption if not properly sealed. 5. Ceramic coatings offer yet another option for insulating steel pipes. These coatings are typically applied through a thermal spray process, creating a layer of ceramic material on the pipe surface. Ceramic coatings provide insulation against high temperatures, corrosion resistance, and thermal shock protection. They are commonly used in industries like power generation and aerospace, where extreme temperature conditions are present. However, ceramic coatings can be costly and require specialized equipment and expertise for application.
Q: What are the different types of thread connections used in steel pipes?
There are several types of thread connections commonly used in steel pipes, including tapered threads such as NPT (National Pipe Taper), which are designed to create a tight seal, and straight threads like NPS (National Pipe Straight), which are often used for mechanical applications. Additionally, some other types of thread connections used in steel pipes include BSP (British Standard Pipe), which is widely used in Europe, and API (American Petroleum Institute) threads, which are commonly used in the oil and gas industry.
Q: What does "spiral welded steel pipe" DN325*10 mean?
Labeling is wrong: it should be said for 325*10, the diameter of pipe wall thickness of 10, 325;For example, the nominal diameter shall be: DN300.
Q: What does "DN25 PN16" mean?
Steel pipe DN25, PN16, first of all, for this annotation: pipe DN class, often used in welded pipe, such as welded pipe DN25. PN16 means pressure, that is, 16 kilograms (1.6MPa).
Q: What is the weight of a steel pipe?
The weight of a steel pipe can vary depending on its dimensions and thickness.
Q: Can steel pipes be used for signposts or street lighting poles?
Yes, steel pipes can be used for signposts or street lighting poles. Steel pipes are often chosen for their durability, strength, and resistance to harsh weather conditions, making them suitable for supporting signs or street lighting fixtures.
Q: How are steel pipes used in the manufacturing of structural frameworks?
Steel pipes are commonly used in the manufacturing of structural frameworks due to their strength, durability, and versatility. They provide a reliable means of connecting and supporting various components, allowing for the creation of robust and stable structures. Steel pipes are often used as columns, beams, and braces, providing essential support and stability to buildings, bridges, and other infrastructure projects. Additionally, steel pipes can be easily customized and fabricated to meet specific design requirements, making them a popular choice in the construction industry.
Q: What is the difference between galvanized iron pipe and galvanized steel pipe? Or called different, in fact, is referred to as galvanized pipe?
Different materials, cast iron, steel seamless steel pipe; the different production process, cast iron is hot metal casting, steel rolling mill of seamless steel tube is through processing, different performance indexes, ductile iron diameter, wall thickness, crisp texture, relatively heavy, can be made of seamless steel pipe diameter is very small, the wall is very thin, good toughness, light. Cast iron, cheap, but the bottom of the strength, can only be used in low pressure occasions.
Q: How are steel pipes used in the telecommunications infrastructure industry?
Steel pipes are commonly used in the telecommunications infrastructure industry for various purposes such as supporting overhead cables, protecting underground cables, and providing structural stability to transmission towers and equipment.
Q: Are steel pipes suitable for use in mining applications?
Yes, steel pipes are highly suitable for use in mining applications. Steel pipes offer excellent durability, strength, and resistance to corrosion, making them ideal for transporting various materials, such as water, gases, and minerals, in mining operations. Additionally, steel pipes can withstand high pressure and extreme temperatures, ensuring their reliability and longevity in demanding mining environments.

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