Products Description

The steel circular pipe with two ends open and hollow concentric circle section refers to the steel with two ends open and hollow concentric circle section, the length of which is larger than the surrounding steel. It can be used in pipelines, thermal equipment, machinery industry, petroleum geological drilling, containers, chemical industry and special purposes.
Specification

|
Product Name |
Black Square and Rectangular Tube |
|
Thickness |
0.4mm~30mm |
|
Outer Diameter |
8×8mm~500×500mm |
|
Length |
As per customer's requirement |
|
Technique |
Cold Rolled, Hot Rolled |
application
Products can be used in the fields of furniture, greenhouse construction, sports equipment, medical equipment, electric vehicles, bicycles, zinc ERW steel tube.
Why tianjin huirun

Our company cooperates with major steel mills and has advanced production lines for sheet and pipe materials, complete testing equipment, and a strict quality assurance system.
We specializes in various kinds of steel concerned building materials. Such as Galvanized round pipe, square/rectangular/Irregular pipe, Scaffold pipe, various steel coils/stripe/plate, PC wire, PC strands, rebar, photovoltaic bracket, Angle steel, U/H/C-shaped steel and so on.
Especially our patented products-Rare Earth Weather & Corrosion Resistant Steel, it is a green, environmentally friendly, and corrosion-resistant new type of steel that can replace traditional galvanizing and rust prevention processes.
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