Product Name: Square and Rectangular Steel Pipe
Material: Carbon Steel
Grade: Q195 = S195 / A53 Grade A
Q235 = S235 / A53 Grade B / A500 Grade A / STK400 / SS400 / ST42.2
Q355 = S355JR / A500 Grade B Grade C
Standard: DIN 2440, ISO 65, EN10219GB/T 6728 JIS G3466 ASTM A53, ASTM A500/A500M , ASTM A36
Outer diameter: 15*20mm-400*600mm & 20*20mm-600*600mm
Thickness: 1.0mm-20mm
Surface: Bare, none surface treatment painted black or other color
pre-galvanized (Zinc coating: 40-80g/m2)
hot dipped galvanized (Zinc coating: 200-600g/m2 )
Ends: Plain ends
Usage: Construction / building materials steel pipe Fence Post / Furniture structure pipe
Solar Mounting Component
Others: We can do special orders as customer's requests.We also can provide all kinds of steel hollow pipes.All the production process are made under the ISO9001 strictly.