• National standard low carbon square rectangular tube System 1
  • National standard low carbon square rectangular tube System 2
National standard low carbon square rectangular tube

National standard low carbon square rectangular tube

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
15 m.t.
Supply Capability:
9800 m.t./month

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Specification

Standard:
GB
Technique:
Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring,Hot Rolled
Shape:
Square,Rectangular
Surface Treatment:
Oiled,Black
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B
Thickness:
0-27
Length:
0-18m
Net Weight:
0-10

1Structure of  National standard 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.

 

2‍‍Main Features of  National standard low carbon square rectangular tube:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3 National standard low carbon square rectangular tube 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 ,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  National standard 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 National standard low carbon square rectangular tube Images ‍‍

National standard low carbon square rectangular tube

National standard low carbon square rectangular tube

 

 

Q: What are the common uses of stainless steel pipes?
Stainless steel pipes are widely used in various industries for a multitude of applications. Some of the common uses of stainless steel pipes include: 1. Plumbing and Water Supply: Stainless steel pipes are often used in residential, commercial, and industrial plumbing systems due to their corrosion resistance, durability, and ability to handle high-pressure applications. They are also used in water treatment plants and wastewater management systems. 2. Oil and Gas Industry: Stainless steel pipes are extensively used in the oil and gas industry for transporting oil, gas, and other fluids. They can withstand high temperatures, pressure, and corrosive environments, making them ideal for this industry. 3. Food and Beverage Industry: Stainless steel pipes are widely used in the food and beverage industry due to their hygienic properties and resistance to corrosion. They are commonly used for transporting liquids, gases, and food products in processing plants, breweries, wineries, dairies, and other food-related facilities. 4. Chemical and Petrochemical Industry: Stainless steel pipes are critical in the chemical and petrochemical industry, where they are used for transporting corrosive chemicals, acids, and other hazardous substances. The pipes' resistance to corrosion and high temperatures makes them suitable for these demanding applications. 5. Construction and Architecture: Stainless steel pipes are used in construction and architecture for various purposes such as structural support, handrails, guardrails, and decorative elements. Their strength, durability, and aesthetic appeal make them a popular choice in modern architectural designs. 6. Automotive and Transportation: Stainless steel pipes are used in the automotive industry for exhaust systems, fuel lines, and other components that require resistance to high temperatures and corrosion. They are also used in the transportation of fluids and gases in ships, trains, and airplanes. 7. Pharmaceutical Industry: The pharmaceutical industry requires high-quality materials that meet stringent sanitary standards. Stainless steel pipes are commonly used in pharmaceutical manufacturing processes for transporting liquids, gases, and chemicals due to their cleanability, corrosion resistance, and compatibility with pharmaceutical products. 8. Power Generation: Stainless steel pipes are used in power plants, both conventional and renewable, for various applications such as steam lines, condensers, and heat exchangers. They are chosen for their ability to withstand high temperatures, pressure, and corrosive environments. In summary, stainless steel pipes find applications in a wide range of industries including plumbing, oil and gas, food and beverage, chemical and petrochemical, construction, automotive, pharmaceutical, and power generation. Their corrosion resistance, durability, and ability to handle high temperatures and pressure make them a versatile and reliable choice for various industrial applications.
Q: How do steel pipes compare to other materials in terms of cost?
Steel pipes are generally more cost-effective compared to other materials due to their durability and longevity. While the initial investment may be higher, their lower maintenance and replacement costs make them a more economical choice in the long run. Additionally, steel pipes can withstand harsh environmental conditions and are less prone to corrosion, reducing the need for frequent repairs or replacements.
Q: How are steel pipes coated for protection against external elements?
Steel pipes are coated for protection against external elements through a process called pipeline coating. This involves applying a layer of protective material, such as epoxy or polyethylene, onto the surface of the steel pipes. The coating acts as a barrier, preventing corrosion and damage from external factors like moisture, chemicals, and UV radiation. This protective coating ensures the longevity and durability of the steel pipes, even in harsh environments.
Q: What is the pressure rating of steel pipes?
The pressure rating of steel pipes varies depending on the specific grade and size of the pipe. However, steel pipes are known for their high strength and durability, allowing them to withstand high-pressure applications.
Q: Can steel pipes be used for water distribution networks?
Yes, steel pipes can be used for water distribution networks. Steel pipes are commonly used for water distribution due to their durability, strength, and resistance to corrosion. They can handle high pressure and are able to withstand extreme weather conditions, making them suitable for long-term use in water distribution networks.
Q: Can steel pipes be used for the construction of offshore wind farms?
Yes, steel pipes can be used for the construction of offshore wind farms. Steel pipes are commonly used for the fabrication of foundation structures, such as monopiles or jackets, which provide stability and support for wind turbine installations in the seabed. The durability, strength, and resistance to corrosion of steel make it an ideal material for withstanding the harsh offshore conditions. Additionally, steel pipes can be easily transported, assembled, and installed, making them a cost-effective and reliable choice for offshore wind farm construction.
Q: How are steel pipes used in the manufacturing of chemical storage tanks?
Steel pipes are commonly used in the manufacturing of chemical storage tanks as they provide structural support and serve as conduits for the transportation of chemicals. These pipes are typically used for connecting various components of the tank, such as the inlet and outlet valves, as well as for creating the internal plumbing system. The durability and corrosion resistance of steel make it an ideal material for ensuring the integrity and longevity of chemical storage tanks.
Q: How are steel pipes used in the manufacturing of appliances?
Steel pipes are commonly used in the manufacturing of appliances as they are strong, durable, and resistant to corrosion. These pipes are used for various purposes such as supply and distribution of water, gas, and other fluids, as well as for structural support and framework in appliances. They are often used for creating the internal plumbing systems, ventilation ducts, and electrical conduits in appliances, ensuring efficient functioning and reliability.
Q: Can steel pipes be used for conveying hazardous materials?
Yes, steel pipes can be used for conveying hazardous materials due to their high strength and resistance to corrosion.
Q: What are the applications of steel pipes?
Steel pipes have a wide range of applications in various industries due to their durability, strength, and versatility. Some of the common applications of steel pipes include: 1. Plumbing and water distribution: Steel pipes are commonly used in plumbing systems to transport water and other fluids. They are resistant to corrosion and can withstand high pressure, making them ideal for water distribution networks in residential, commercial, and industrial buildings. 2. Oil and gas industry: Steel pipes are extensively used in the oil and gas industry for the transportation of oil, natural gas, and other petroleum products. They are able to handle high-pressure and high-temperature environments, making them crucial in drilling, production, and refining processes. 3. Construction and infrastructure: Steel pipes are widely employed in construction projects for various purposes such as structural support, foundations, scaffolding, and underground piping systems. They provide a strong and reliable framework for buildings, bridges, tunnels, and highways. 4. Industrial applications: Steel pipes are used in various industrial applications such as manufacturing, power plants, chemical processing, and food processing. They are often used to transport liquids, gases, or slurries within the production processes or to transfer heat in heat exchangers and condensers. 5. Agricultural sector: Steel pipes are commonly used in the agricultural sector for irrigation systems, particularly in large-scale farming. They are used to transport water from a water source to the fields, ensuring efficient and controlled water distribution. 6. Mining industry: Steel pipes are utilized in the mining industry for the extraction and transportation of minerals, ores, and other mining materials. They are resistant to abrasion and corrosion, making them suitable for the harsh and demanding conditions of mining operations. 7. Mechanical and automotive applications: Steel pipes find application in the manufacturing of various mechanical components, such as automotive exhaust systems, hydraulic cylinders, and precision tubing. They offer high strength, dimensional stability, and resistance to impact and vibration. 8. Infrastructure and utilities: Steel pipes are commonly used in infrastructure projects for the transportation of sewage, stormwater, and wastewater. They are durable, resistant to chemical corrosion, and can withstand underground conditions, making them suitable for sewer and drainage systems. In summary, the applications of steel pipes are vast and diverse, ranging from plumbing and water distribution to oil and gas industry, construction, agriculture, mining, mechanical and automotive sectors, and infrastructure projects. Their robustness, versatility, and ability to withstand extreme conditions make them a fundamental component in numerous industries.

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