+86-22-65815991

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    Contact Information

  • Tianjin Wanlei Steel Pipe Co.,Ltd

  • TEL: 86-22-65815991

  • FAX: 86-22-25343802

  • CELL: 86-18526839451, 86-18526839452

  • EMAIL: admin@wanleipipe.com

  • WEBSITE: www.seamlesscarbonsteelpipe.com

  • ADD: Room 403, Unit 1, Building 31, Polar Square, Central Business District, Binhai New Area, Tianjin, China (Mainland)

Q355B Square Tubes Were Ordered By A Client

Sep 10, 2025

Square and rectangular tubes are our main products, which are usually used in fields of buildings and bridges. So they are very popular among builders.

Due to their high strength, Q355B square tubes are purchased by many clients every year. Just recently, one of our old customers placed another order for Q355B square tube.

The detailed specifications are as follows

xw 48

 

Specifications

Standard GB/T 6728
Material Q355B
Dimension 400mm*400mm*12mm
Length 7.17m, 8.07m, 8.97m

 

 

Inspection before Delivery

We promise to provide high quality products for clients. We have professional quality control team to control quality, all square tubes will be inspected carefully before delivery. "Quality first" is our business philosophy.

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Product Show

Q355B square tubes are available in multiple dimensions. If you have any needs, the dimension and length can also be customized.

Q355B square tube

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