Structural Steel
Scaffold Steel Plank
Scaffolding Accessories
Scaffolding System
Structural Steel
Scaffold Steel Plank
Scaffolding Accessories
Scaffolding System
  • Square tube
  • Square tube
  • Square tube

Square tube

Categories:Square tube

Model:50*50*2.0mm

Standard: ASTM/GB/JIS/DIN,etc.

Grade: Q195-Q345

Length: 5.8m/6m/11.8m/12m or as request

Tachnique:ERW

Packing: seaworthy export package

MOQ: 20mts

FOB port:Xingang/Caofeidian or any other main ports in China

Terms of Payment:L/C,D/A,Western union,MoneyGram,T/T,Paypal


Product NameRound carbon steel tube
SizeOD21.3-609mm
WT0.75-32mm
Length1-12M or as requirements
StandardASTM A53 Grade A,B   BS1387, A36, q235
UsageRound carbon steel tube used for construction site,building
EndsPlain,Beveled,Thread and socket
Surface TreatmentGalvanized,Black painted varnish coating,Oiled
TechniqueERW(Electronic Resistance Welded)
EFW(Electronic Fusion Welded)
DSAW(Double Submerged Arc Welded)
Welded Line TypeLongitudinal
Section ShapeRound,Square,Rectangular,or other type
PackagePacked in bundles with steel strip and other standard sea worthy packing
DeliveryContainer,Bulk
Port of ShipmentXingang,China
Date of DeliveryWithin 15-20 days
PaymentL/C  T/T  D/P  CASH

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     Square tube is a general term for square pipe and rectangular pipe, that is, steel pipe with equal sides. It is a strip of steel that has been processed and rolled. Square tubes are widely used in construction, machinery manufacturing, steel construction projects, shipbuilding, solar power brackets, steel structure engineering, power engineering, power plants, agriculture and chemical machinery, glass curtain walls, airports, boiler construction, highway railings, building construction, Pressure vessels, petroleum storage tanks, bridges, power station equipment, lifting transport machinery and other high-load welded structural parts.

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Q1. Are you Manufacturer or Trading Company?

A: We are a professional factory with 15 years experience,and we have more competitive price and the best after-sales service.Apart from this,we can provide a wide range of steel products to meet the needs of customers. 

Q2. Can you produce according to the samples?

A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures. 

Q3. What is your sample policy?

A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample and the express cost. We will give back the cost after we finish the deal. 


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We ensure your goods can be delivered safely: 

1.Experienced packer and technician,standard rack.

2.We will offer a container loading plan according to your quantity ordered.

3.Long-term cooperative freight forwarding and shipping company .


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YXSY works as one of the first class manufacturers, our products are manufactured and developed based on the latest global market trend of scaffolding. It learn from and apply the advanced technology of construction field in European union, Japan, Australia etc, ensuring the quality to the standard of SGS, JIS, ASTM, BS and others. 


Our aim and objective is to be a professional one-stop engineering material supplier.


Product Name: Square tube
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