• Square rectangular tubes of various standard materials by  sell System 1
  • Square rectangular tubes of various standard materials by  sell System 2
Square rectangular tubes of various standard materials by  sell

Square rectangular tubes of various standard materials by sell

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

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Specification

Standard:
AISI,JIS,GB,BS,DIN,EN,ASTM
Technique:
Hot Rolled,Cold Rolled,ERW,Saw,Extruded,EFW
Shape:
Square,Rectangular
Surface Treatment:
Galvanized,Coated,Copper Coated,Oiled,Dry,Polished,Bright,Black
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#
Thickness:
0-20mm
Length:
0-600mm
Net Weight:
3

1 Square rectangular tubes of various standard materials by 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.

 

2 Square rectangular tubes of various standard materials by sell

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3 Square rectangular tubes of various standard materials  by 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

 

5 Square rectangular tubes of various standard materials by 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 Square rectangular tubes of various standard materials

 

Square rectangular tubes of various standard materials by  sell

Square rectangular tubes of various standard materials by  sell

 

 

Q: How do steel pipes withstand pressure?
Steel pipes are able to withstand pressure due to their high strength and durability. The material properties of steel, including its tensile strength and resistance to deformation, allow it to withstand the internal forces caused by pressure without experiencing significant distortion or failure. Additionally, the seamless construction of steel pipes ensures that there are no weak points or joints that could compromise their ability to withstand pressure.
Q: Can steel pipes be used for geothermal energy systems?
Yes, steel pipes can be used for geothermal energy systems. Steel pipes are commonly used for their durability and resistance to high temperatures, making them suitable for transporting hot water or steam in geothermal energy systems. Additionally, steel pipes have excellent corrosion resistance, which is crucial for geothermal environments that often contain corrosive substances.
Q: How are steel pipes coated for protection?
Steel pipes are coated for protection through a process called corrosion protection coating. This typically involves applying a layer of epoxy, polyethylene, or other specialized coatings onto the surface of the steel pipes. The coating acts as a barrier, preventing direct contact between the steel and any corrosive substances in the environment, thereby extending the lifespan of the pipes and enhancing their durability.
Q: How to identify stainless steel pipe and steel pipe?
The welded pipe is rolled into the steel tubular to sew or spiral seam welded in the manufacturing method, and is divided into low pressure fluid delivery with welded steel pipe, spiral welded steel pipe, welded steel pipe, welded pipe roll etc.. Seamless steel pipe can be used in various industries, such as liquid, pneumatic, pipeline and gas pipeline. Welding pipes can be used in water pipelines, gas pipelines, heating pipes, electrical appliances, pipelines and so on.
Q: What is the maximum allowable deflection for steel pipes?
The maximum allowable deflection for steel pipes depends on various factors such as pipe diameter, wall thickness, material strength, and the intended application. It is typically determined by industry standards and specific engineering considerations.
Q: Can steel pipes be used for conveying sewage and wastewater?
Yes, steel pipes can be used for conveying sewage and wastewater. Steel pipes are commonly used in sewage and wastewater systems due to their durability and strength. They are resistant to corrosion and can withstand high pressure and flow rates. Additionally, steel pipes are able to handle the harsh chemicals and contaminants present in sewage and wastewater without deteriorating or affecting the quality of the conveyed fluids. However, it is important to ensure that the steel pipes are properly coated or lined to prevent any potential corrosion or contamination issues. Regular maintenance and inspections are also necessary to identify and address any potential issues that could arise in the system.
Q: How are steel pipes measured and labeled?
Steel pipes are typically measured and labeled based on their nominal pipe size (NPS), which refers to the inner diameter of the pipe. This measurement is expressed in inches or millimeters. Additionally, steel pipes are often labeled with their schedule or wall thickness, which is represented by a numerical value. The labeling also includes the pipe material, such as carbon steel or stainless steel, and may include other specifications and markings as required by industry standards and regulations.
Q: What are the common applications of galvanized steel pipes?
Galvanized steel pipes are commonly used in various industries and applications such as plumbing, water supply systems, gas pipelines, electrical conduits, construction projects, fencing, and outdoor structures. The galvanization process adds a protective zinc coating to the steel, making it resistant to corrosion and extending its lifespan, making it ideal for applications requiring durability and longevity.
Q: How many meters per ton of steel tube?
Metric tons are metric units and China adopts metric system, so what we Chinese usually say "ton" means "metric ton", which can be regarded as "metric ton"1 metric tons (tonne/metric ton) = 1000 kg1 tons = 1000 kg1 kg = 1000 grams
Q: Are steel pipes suitable for use in pharmaceutical industries?
Yes, steel pipes are suitable for use in pharmaceutical industries. Steel pipes are known for their durability, strength, and resistance to corrosion, making them ideal for transporting various pharmaceutical materials and fluids safely and hygienically. Additionally, steel pipes can withstand high pressure and temperature conditions, ensuring the integrity and efficiency of pharmaceutical manufacturing processes.

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