• Square rectangular pipes of various standard materials System 1
  • Square rectangular pipes of various standard materials System 2
Square rectangular pipes of various standard materials

Square rectangular pipes of various standard materials

Ref Price:
get latest price
Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
22 m.t.
Supply Capability:
15000 m.t./month

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Specification

Standard:
DIN,BS,GB,JIS,ASTM,AISI,EN,API
Technique:
Spring,EFW,Extruded,Saw,Forged,ERW,Cold Drawn,Cold Rolled,Hot Rolled
Shape:
U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Polished,Bright,Black,PVDF Coated,Chromed Passivation
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Certification:
ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL
Thickness:
0-28mm
Length:
0-550mm
Net Weight:
0

1 Square rectangular pipes of various standard materials

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.

 

2 Square rectangular pipes of various standard materials

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3 Square rectangular pipes of various standard materials

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.
 

 

4Packaging & Delivery

Packaging Details:

seaworthy package,bundles wrapped with strong steel strip

Delivery Detail:

15-30days after received 30%TT

 

5 Square rectangular pipes of various standard materials

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 pipes of various standard materials

 

Square rectangular pipes of various standard materials

Square rectangular pipes of various standard materials

 

 

Q: How are steel pipes inspected for compliance with industry standards?
Steel pipes are inspected for compliance with industry standards through various methods such as visual examination, non-destructive testing techniques like ultrasonic testing, magnetic particle inspection, and radiography. These inspections help ensure that the pipes meet required specifications and quality standards, ensuring their integrity and safety for use in various industries.
Q: How are steel pipes used in the construction of highways?
Steel pipes are commonly used in the construction of highways for various purposes, such as drainage systems, culverts, and sign supports. They provide a durable and efficient solution for transporting stormwater and preventing damage to the road surface. Additionally, steel pipes are utilized to support highway signs and traffic signals, ensuring their stability and longevity.
Q: Can steel pipes be used for oil and gas transportation?
Yes, steel pipes can be used for oil and gas transportation. Steel pipes are widely utilized in the oil and gas industry due to their strength, durability, and ability to handle high-pressure conditions. They are commonly used for transporting crude oil, natural gas, and their derivatives over long distances. Steel pipes have excellent resistance to corrosion and can withstand extreme temperatures, making them suitable for both onshore and offshore applications. Additionally, steel pipes can be easily welded, allowing for the construction of complex pipeline networks that efficiently transport oil and gas from production fields to refineries and distribution centers.
Q: What is the compressive strength of steel pipes?
The compressive strength of steel pipes can vary depending on the specific grade and manufacturing process, but it is generally high. On average, steel pipes have a compressive strength ranging from 60,000 to 120,000 pounds per square inch (psi).
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 different methods of insulation for steel pipes?
There are several methods of insulating steel pipes, including applying a thermal insulation coating, using pipe wraps or jackets, using foam insulation, or utilizing heat shrink sleeves.
Q: How do you protect steel pipes from fire?
To protect steel pipes from fire, there are several measures that can be taken. One commonly used method is to apply fire-resistant coatings or paints to the surface of the pipes. These coatings or paints are designed to withstand high temperatures and provide a barrier that prevents the heat from reaching the steel. Another effective way to protect steel pipes from fire is to wrap them with fire-resistant insulation materials. These materials act as a buffer, reducing the heat transfer and slowing down the spread of fire. Insulation materials such as mineral wool or ceramic fiber blankets are commonly used for this purpose. In addition, it is important to ensure that the steel pipes are properly installed and supported. This includes maintaining proper clearance from other flammable materials and avoiding overcrowding or obstructions that could impede the flow of air around the pipes. Adequate spacing between pipes is also crucial to prevent the transfer of heat from one pipe to another. Furthermore, it is recommended to incorporate firestop systems when steel pipes pass through fire-rated walls or floors. Firestop systems consist of fire-resistant materials and seals that prevent the spread of fire and smoke through openings or penetrations in fire-rated barriers. Regular maintenance and inspections are essential to ensure the ongoing effectiveness of the fire protection measures. Any damage or deterioration of the coatings, insulation, or firestop systems should be promptly repaired or replaced to maintain the fire resistance of the steel pipes. Overall, a combination of fire-resistant coatings, insulation, proper installation, and maintenance practices are crucial in protecting steel pipes from fire hazards. These measures help to minimize the risk of fire-related damage and ensure the safety of both the pipes and the surrounding environment.
Q: Are steel pipes suitable for underground installations in areas with high moisture content?
In areas with high moisture content, steel pipes are commonly used for underground installations. However, it is important to consider certain factors when utilizing steel pipes in such conditions. Prolonged exposure to moisture can lead to corrosion, which is a significant concern. To mitigate this risk, it is crucial to employ steel pipes that are specifically designed for underground installations and are coated with protective materials like epoxy or polyethylene. These protective coatings act as a barrier between the steel and the surrounding moisture, preventing corrosion and prolonging the lifespan of the pipes. Furthermore, proper installation techniques, including sufficient pipe bedding and backfilling, must be adhered to in order to ensure that the pipes are adequately supported and shielded from external forces. Regular inspection and maintenance are also advisable to promptly identify any signs of corrosion or damage and address them accordingly. Overall, by taking the appropriate precautions and conducting regular maintenance, steel pipes can be a viable choice for underground installations in areas with high moisture content.
Q: What are the applications of galvanized steel pipes?
Galvanized steel pipes have a wide range of applications in various industries. They are commonly used in plumbing systems to deliver water and gas due to their excellent corrosion resistance. Additionally, they are used in the construction industry for structural purposes, such as scaffolding, fences, and handrails. Galvanized steel pipes are also utilized in the agricultural sector for irrigation systems and as posts for supporting crops. Furthermore, they find usage in oil and gas pipelines, HVAC systems, and automotive manufacturing. Overall, the applications of galvanized steel pipes are diverse, making them an essential material in multiple sectors.
Q: Can steel pipes be used for underground utility lines?
Yes, steel pipes can be used for underground utility lines. Steel pipes are known for their durability and strength, making them suitable for underground applications. They can withstand heavy loads, pressure, and corrosion, which are essential factors for utility lines that are buried underground. Additionally, steel pipes can be welded or threaded together, allowing for easy installation and maintenance.

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