• Cold formed welded square rectangular pipe for construction System 1
  • Cold formed welded square rectangular pipe for construction System 2
Cold formed welded square rectangular pipe for construction

Cold formed welded square rectangular pipe for construction

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

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Item specifice

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)
Thickness:
0-23mm
Length:
0-600mm
Net Weight:
12

1  Square rectangular tubes for buildings 

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 for buildings 

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3  Square rectangular tubes for buildings 

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 for buildings  

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 for buildings 

 

Cold formed welded square rectangular pipe for construction

Cold formed welded square rectangular pipe for construction

 

 

Q:Can steel pipes be painted?
Yes, steel pipes can be painted. Painting steel pipes not only enhances their appearance but also provides protection against corrosion and rust. The process typically involves cleaning the pipes thoroughly, applying a primer, and then coating them with a suitable paint.
Q:How are steel pipes tested for quality control?
Steel pipes are tested for quality control through various methods such as visual inspection, dimensional checks, and non-destructive testing techniques including ultrasonic testing, magnetic particle inspection, and hydrostatic pressure testing. These tests ensure that the pipes meet the required specifications, standards, and structural integrity, ensuring their quality and reliability.
Q:Can steel pipes be used for culvert applications?
Indeed, culvert applications can utilize steel pipes. The utilization of steel pipes for culverts is widespread owing to their exceptional endurance, robustness, and immunity to corrosion. They possess the capability to endure substantial burdens, accommodate extensive traffic flow, and manage large water surges. Furthermore, steel pipes can be effortlessly fabricated in diverse dimensions and configurations to cater to specific culvert prerequisites. Their prolonged lifespan and minimal upkeep demands render them a cost-efficient alternative for culvert applications.
Q:What are the safety measures to consider when working with steel pipes?
When working with steel pipes, it is important to follow specific safety measures to ensure a safe working environment. Some key safety measures to consider include wearing appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toed boots to protect against potential injuries. Additionally, workers should be cautious of sharp edges and use tools designed for cutting and handling steel pipes. It is crucial to secure pipes properly to prevent accidents caused by falling or rolling pipes. Lastly, workers should be trained on proper lifting techniques to avoid strain or injury when handling heavy steel pipes.
Q:Can steel pipes be used for steam applications?
Yes, steel pipes can be used for steam applications. Steel is a widely used material in steam systems due to its high strength, durability, and resistance to high temperatures and pressure. It is commonly used in industries such as power generation, refineries, and petrochemical plants for carrying and distributing steam. However, it is important to ensure that the steel pipes are properly designed, installed, and maintained to withstand the specific conditions and requirements of steam applications.
Q:Galvanized steel pipe DN100 and SC100
DN is the meaning of "bore", also expressed in water supply and drainageSC is welded steel pipe, generally GB tube, that is, thick walled steel pipe, look at the design requirementsMT refers to the wire tube, usually thin-walled tube, there are KBG and JDG
Q:Can steel pipes be used for piling?
Certainly, piling can involve the utilization of steel pipes. Steel pipes find widespread use in piling applications owing to their robustness, endurance, and adaptability. They possess the ability to endure the weight and pressure exerted by the soil, thus furnishing a steadfast base for constructions. The process of driving specialized equipment ensures the secure placement of steel pipes employed for piling. Moreover, steel pipes can be effortlessly trimmed and fused to the desired dimensions, rendering them suitable for diverse piling endeavors.
Q:Where is the difference between seamless steel pipe and welded pipe?
The steel tube is a hollow steel strip, used as pipe conveying fluid, such as oil, gas, water, gas, steam, in addition, the bending and torsional strength of the same, the weight is light, so it is widely used in the manufacture of machinery parts and engineering structures. It is also used to produce all kinds of conventional weapons, guns, shells and so on.
Q:What are the different methods of protecting steel pipes from corrosion?
There are several methods of protecting steel pipes from corrosion, including coating the pipes with materials such as epoxy, polyethylene, or zinc; applying cathodic protection by using sacrificial anodes or impressed current; and employing corrosion inhibitors to prevent the formation of rust. Regular maintenance and inspections are also crucial in identifying and addressing any potential corrosion issues.
Q:How do you prevent steel pipes from rusting?
To prevent steel pipes from rusting, a common method is to apply a protective coating such as paint or epoxy. Additionally, regularly inspecting and maintaining the pipes, promptly repairing any damage or corrosion, and ensuring proper drainage to prevent moisture buildup are essential preventive measures.

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