Zinc coated square steel tube

Good quality and low price
1.Material:

Q235B, ASTM A53

2.Dimension:

10*10-500*500mm

3.Thickness:

0.8-50mm

4.Length:

5800mm,6000mm, or according to your requirements

5.Zinc coating weight:

60g/m2--275g/m2

6.Application:

for forced and pressured units,and can be used for ordinary pipeline for steam,water,gas and air.

Main steel Grade: A,B etc

7.Mechanical properties:

Standard	Steel Grade	Tensile Strength (MPa)	Yield Point(MPa)
ASTM A53	A	≤330	≥205
	B	≥415	≥240

Chemical [roperies:

Standard	Steel Grade	Chemical Composition
		C	Si	Mn	P	S	Cu	Ni	Mo	Cr	V
ASTM A53	A	≤0.25	≤	≤0.95	≤0.05	≤0.06	≤0.40	≤0.40	≤0.15	≤0.40	≤0.08
	B	≤0.30	≤	≤1.20	≤0.05	≤0.06	≤0.40	≤0.40	≤0.15	≤0.40	≤0.08