






Attributes
By Theoretical WeightInvoicing
Slightly OiledOiled or Non-oiled
SquareSection Shape
Galvanized or PaintedSurface Treatment
±10%Tolerance
Tianjin, ChinaPlace of Origin
Alloy Or Not:Non-Alloy
Delivery Time:22 ~ 30 days
Grade:q235
Standard:ASTM
Technique:ERW
Thickness:1 - 15 mm
Brand Name:YOUFA
Application:Structure Pipe, furniture desk tube
Certificate:ISO 9001
Length:6 m, 5.8m, 5.5m
Processing Service:Bending, Welding, Punching, Cutting
Special Pipe:Thick Wall Pipe
Product name:Q235B Black Hollow Sections Square and Rectangular Welded Steel Tube
Secondary Or Not:Non-secondary
Size:20x20 -- 400x400 mm
Wall thickness:1.0 --15 mm
Length:6m instock ( 1.5-8m customized)
Material:Carbon Steel (Q195, Q235, Q345)
Zinc coating:220 g/m2 ( or customized)
Pipe Ends:plain ends
End protector:None OR Plastic caps

















