• low carbon square rectangular pipe hot sell System 1
  • low carbon square rectangular pipe hot sell System 2
low carbon square rectangular pipe hot sell

low carbon square rectangular pipe hot sell

Ref Price:
get latest price
Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
20 m.t.
Supply Capability:
7000 m.t./month

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Specification

Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Extruded,EFW
Shape:
Square,Rectangular
Surface Treatment:
Galvanized,Coated,Color Coated,Oiled,Polished,Bright,Black
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,A53(A,B)
Certification:
ISO,SGS,BV,IBR,RoHS,CE,UL
Thickness:
0-40
Length:
0-18
Net Weight:
0-10

 

1Structure of   low carbon square rectangular pipe hot sell

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 pipe hot sell :

• 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 pipe hot sell

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  low carbon square rectangular pipe hot sell

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 low carbon square rectangular pipe hot sell Images ‍‍

 

low carbon square rectangular pipe hot sell

low carbon square rectangular pipe hot sell

Q: Can steel pipes be used for HVAC systems?
Yes, steel pipes can be used for HVAC systems. Steel pipes are commonly used in HVAC systems for their durability, strength, and resistance to corrosion. They are suitable for transporting hot or cold air, water, or refrigerant throughout the system.
Q: Can steel pipes be used for conveying steam?
Yes, steel pipes can be used for conveying steam. Steel pipes are commonly used in steam systems due to their high strength and durability, as well as their ability to withstand high temperature and pressure conditions. However, it is important to ensure that the steel pipes are properly insulated and the system is adequately designed to prevent any potential issues such as corrosion or thermal expansion.
Q: What are the common problems or issues faced with steel pipes?
Common problems or issues faced with steel pipes include corrosion, rusting, leaks, cracks, and blockages. Corrosion can occur due to exposure to moisture or chemicals, leading to a decrease in pipe integrity and potential leaks. Rusting is another common problem, especially in outdoor or wet environments, which can weaken the pipe and cause structural issues. Leaks can result from pipe corrosion or cracks, leading to water damage and potential pipe failure. Blockages can occur due to debris, scale buildup, or pipe collapse, restricting the flow of fluid or causing complete pipe blockage. Regular maintenance and inspections are necessary to identify and address these issues promptly.
Q: What are the different types of joints used in steel pipes?
The different types of joints used in steel pipes include butt weld, socket weld, threaded, and flanged joints.
Q: How are steel pipes used in agriculture?
Various purposes in agriculture make steel pipes widely used, with one common application being irrigation systems. These pipes, known for their durability and ability to withstand water pressure, transport water from wells or reservoirs to different areas of farms, enabling efficient water distribution over long distances. Furthermore, steel pipes find utility in agricultural drainage systems. By removing excess water from fields, they prevent waterlogging and ensure proper drainage. Their resistance to corrosion is particularly significant in agricultural settings, where exposure to moisture and various chemicals is common. Moreover, steel pipes serve a vital purpose in the construction of greenhouse structures. They provide structural support for the greenhouse framework and facilitate the installation of irrigation systems and other equipment. The strength and sturdiness of steel pipes enable them to withstand harsh weather conditions, making them an ideal choice for greenhouse construction. Additionally, livestock farming benefits from the use of steel pipes. They are frequently employed in the creation of fences and enclosures for animals, providing a secure and long-lasting barrier. Steel pipes also play a crucial role in the construction of animal shelters and barns. To summarize, steel pipes play a crucial and versatile role in agriculture. They are integral components in irrigation systems, drainage systems, greenhouse construction, and livestock farming. Thanks to their durability, strength, and resistance to corrosion, steel pipes are an excellent choice for a wide range of agricultural applications.
Q: What is the difference between hot-finished and cold-finished steel pipes?
Hot-finished steel pipes are produced by heating the steel to a high temperature and then passing it through a series of rollers to give it the desired shape and size. This process results in a smooth surface finish and improved mechanical properties. On the other hand, cold-finished steel pipes are produced by cold drawing the steel through a die, resulting in a smaller diameter and improved dimensional accuracy. Cold-finished pipes have a smoother surface finish and tighter tolerances compared to hot-finished pipes.
Q: What are the different types of expansion joints used with steel pipes?
There are several types of expansion joints used with steel pipes, including bellows expansion joints, universal expansion joints, hinged expansion joints, and gimbal expansion joints. These expansion joints are designed to accommodate the movement and thermal expansion of steel pipes, ensuring their integrity and preventing damage.
Q: Can steel pipes be used for underground utility lines?
Yes, steel pipes can be used for underground utility lines. Steel pipes are commonly used for various underground applications, including utility lines for water, gas, and sewage. They are durable, strong, and resistant to corrosion, making them suitable for long-term use in underground environments. Additionally, steel pipes can be easily welded and connected, allowing for efficient installation and maintenance.
Q: What are the factors to consider when selecting steel pipes?
When selecting steel pipes, some of the key factors to consider include the intended use or application, the required strength and durability, the size and dimensions of the pipes, the corrosion resistance properties, the cost and availability, and any specific industry or regulatory requirements.
Q: How do you calculate the pipe friction loss coefficient for steel pipes?
The pipe friction loss coefficient for steel pipes can be calculated using the Darcy-Weisbach equation, which takes into account the pipe diameter, length, roughness, and fluid velocity. The coefficient can be determined by dividing the friction factor (obtained from Moody's chart or using empirical equations) by the Reynolds number (calculated using the fluid properties and pipe dimensions).

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