Galvanized Steel Square Tubes And Hollow Section

Brand :Friend

Product origin :Tianjin, China

Steel hollow section can be mainly divided into round hollow section, rectangular hollow section and square hollow section.
Rectangular and square carbon steel tube are widely used in various fields such as construction or building, low pressure liquid delivery, engineering, fencing,greenhouse etc.
Surface of steel tube generally are black or galvanized, galvanized Steel tube has good features of corrosion resistance, anti-rust, acid resistance, which largely extend its service life.

1. Product description

Product Name	Galvanized Steel Square Tubes and Hollow Section
Thickness	0.5-15mm
Dimension	1515-400400mm
Zinc Coating	40-500g
Length	1-12m
Material	Q195/Q235/Q345/S235JR
End	Square cut, plain ends without burrs
Surface Treatment	Galvanized/Oil painted
MOQ	25 tons

2. Q195/Q235/Q345

Elements	Chemical Composition%					Mechanical Property
Material	C%	Mn%	S%	P%	Si%	Yield Strength	Tensile Strength	Elongation
						(Mpa)	(Mpa)	(%)
Q195	0.06-0.12	0.25-0.50	<0.05	<0.045	<0.3	>195	315-430	32-33
Q235	0.12-0.2	0.30-0.70	<0.045	<0.045	<0.3	>235	375-500	24-26
Q345	<0.20	1.0-1.6	<0.04	<0.04	<0.55	>345	470-630	21-22