• Kinds of   carbon steel  square rectangular tube System 1
  • Kinds of   carbon steel  square rectangular tube System 2
Kinds of   carbon steel  square rectangular tube

Kinds of carbon steel square rectangular tube

Ref Price:
get latest price
Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
10 m.t.
Supply Capability:
9500 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,Forged,Saw,Extruded,EFW,Spring
Shape:
U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,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,600 Series,SS400-SS490,10#,20#,A53(A,B)
Certification:
ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL
Thickness:
0-40mm
Length:
0-18m
Net Weight:
0-6mt

1Structure of  Kinds of   carbon steel  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 Kinds of   carbon steel  square rectangular tube:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3 Kinds of  Kinds of   carbon steel  square rectangular tube

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   carbon steel  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 Kinds of  low carbon square rectangular tube Images ‍‍

Kinds of   carbon steel  square rectangular tube

Kinds of   carbon steel  square rectangular tube

 

 

Q: How are steel pipes used in mining?
Steel pipes are extensively used in mining for various purposes, such as transporting fluids, ventilation systems, and structural support. They are commonly employed for carrying water, slurry, or other liquids to different parts of the mine. Additionally, steel pipes are utilized for creating ventilation systems to ensure fresh air supply and remove harmful gases from underground mining operations. Moreover, they provide crucial structural support for tunnels, shafts, and other mining infrastructure due to their strength and durability.
Q: What is the outer diameter and wall thickness of the welded steel pipe of national standard DN250?
DN250 is the nominal diameter, the outer diameter of the steel pipe is 273mm, the thickness is above 6.5mm.
Q: What is the difference between steel pipes and PVC-M pipes?
The main difference between steel pipes and PVC-M pipes lies in their material composition. Steel pipes are made of steel, which gives them higher strength and durability. They are commonly used for high-pressure applications and in areas where the pipes may be exposed to extreme conditions or corrosive substances. On the other hand, PVC-M pipes are made of polyvinyl chloride modified with certain additives to enhance their impact resistance and toughness. They are lightweight, easy to install, and resistant to corrosion, making them suitable for various applications, including water supply, irrigation, and drainage systems. While steel pipes offer superior strength, they are more expensive and require regular maintenance, such as anti-corrosion treatments. PVC-M pipes, on the other hand, are more affordable, require minimal maintenance, and can be easily joined using solvent welding or mechanical fittings. In summary, the choice between steel pipes and PVC-M pipes depends on factors such as the intended use, budget, and environmental conditions.
Q: How are steel pipes used in the manufacturing of HVAC systems?
Steel pipes are commonly used in the manufacturing of HVAC systems for various purposes. They are used to transport fluids, such as water or refrigerants, throughout the system. Steel pipes are also used for exhaust systems and ventilation, providing a durable and corrosion-resistant solution. Additionally, steel pipes are used in the construction of HVAC equipment, such as heat exchangers and boilers, due to their strength and ability to withstand high temperatures and pressures. Overall, steel pipes play a crucial role in the efficient and reliable functioning of HVAC systems.
Q: What are the different shapes available for steel pipes?
There are several different shapes available for steel pipes, including round, square, rectangular, and oval.
Q: How do you calculate the pipe pressure drop for steel pipes?
To calculate the pressure drop in steel pipes, you can use the Darcy-Weisbach equation, which takes into account factors such as the pipe diameter, length, roughness, and the fluid flow rate. By plugging these variables into the equation, you can determine the pressure drop experienced by the fluid as it flows through the steel pipe.
Q: How are steel pipes used in the manufacturing of marine applications?
Steel pipes are commonly used in the manufacturing of marine applications due to their durability and resistance to corrosion. They are used for various purposes such as constructing ship hulls, offshore platforms, and underwater pipelines. These pipes provide structural support and can withstand the harsh conditions of the marine environment, making them essential components in the manufacturing process of marine applications.
Q: How are steel pipes used in the manufacturing of bridges?
Steel pipes are commonly used in the manufacturing of bridges for various purposes, such as supporting heavy loads, providing structural strength, and ensuring durability. They are often used as piling foundations, allowing the bridge to be securely anchored to the ground. Steel pipes can also be used as bridge components, such as support columns, beams, and trusses, providing the necessary strength and stability to withstand the weight and forces exerted on the bridge. Additionally, steel pipes are used for drainage systems, allowing water to flow away from the bridge structure, preventing potential damage or erosion. Overall, steel pipes play a crucial role in the construction and structural integrity of bridges.
Q: Can steel pipes handle extreme weather conditions?
Yes, steel pipes are known for their durability and ability to withstand extreme weather conditions. They are resistant to corrosion, rust, and can handle high temperatures, making them suitable for various climate conditions.
Q: How do steel pipes perform in seismic zones?
Steel pipes perform well in seismic zones due to their high strength and ductility. They have the ability to absorb and distribute seismic energy, which helps in reducing the impact of earthquakes. Additionally, steel pipes are resistant to damage and deformation during seismic events, making them a reliable choice for infrastructure in earthquake-prone areas.

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