Cold rolled welded square, rectangular steel pipe hollow section prefab house steel tube
  • Cold rolled welded square, rectangular steel pipe hollow section prefab house steel tube
  • Cold rolled welded square, rectangular steel pipe hollow section prefab house steel tube
  • Cold rolled welded square, rectangular steel pipe hollow section prefab house steel tube
  • Cold rolled welded square, rectangular steel pipe hollow section prefab house steel tube
  • Cold rolled welded square, rectangular steel pipe hollow section prefab house steel tube

Cold rolled welded square, rectangular steel pipe hollow section prefab house steel tube

Brand : Sincere

Product origin : Tianjin, China

Delivery time : 20days-25days

Supply capacity : 50000tons per month

The cold-rolled welded pipe has high precision, uniform wall thickness, high brightness inside the pipe surface (the surface brightness of the steel pipe is determined by the surface grade of the steel plate), and can be arbitrarily fixed. In high precision, medium and low pressure fluid applications reflect its economy and aesthetics.
the cold rolled use widely, the pipes used for fence pipe, furniture, tools, building material and so on.
they are surface smoothly , and black color.

Cold rolled welded square, rectangular steel pipe hollow section prefab house steel tube

cold rolled pipes, also called black annnealed steel pipes, and ERW black annealed welded steel pipes.

cutting  end Shape: Square ,round , rectuangular and special shape pipes such as LTZ, P pipe, D pipe, trangile pipe,  V pipe,  oval pipe and so on.... 

Thickness:0.2 - 15.4 mm, Other sizes can be customized

Length: 5.8M and 5.85M for the 20feet containers,   6M and more than 6M for the 40feet container 

Surface Treatment:Cold Rolled, black annealed 

Round Steel Pipes

Out diamete range: 10mm-400mm

Square Steel Pipes

out diameter range:10*10mm-400*400mm

Rectangle Steel Pipes

out diameter range :8*16mm-300*500mm

 payment term  :TT and L/C , if you have other payment term we can discuss .  

 During and after production, 4 QC staffs with more than 10 years experience inspect products in random.2) Acceptable inspection from third party appointed/paid by buyer, such as SGS, BV. 

3)hot selling market is:  SOUTHEAST ASIA, SOUTH ASIA, MIDDLE EAST, EUROPE, MIDDLE& SOUTH AMERICA , AFRICA AND OCEANIA, and local market. 


black annealed pipescold rolled tube

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