Specifications

1.ISO9001,CE,API
2.Good qualiy and Competive price
3.Good reputation in this line
4.Good after-sale service
5.Thick wall

Square and Rectangular hollow tube

Size	30*30mm-700*600mm
Wall thickness	3-20mm
Length	3-12m
Standard	GB/EN/ASTM/API/DIN
Certificate	ISO9001,CE,API
Material	Q235 Q345 20# 16Mn
Technqiue	ERW and Cold rolled
Section shape	Square and Rectangular
Special pipe	Thick wall pipe
Secondary or Not	Secondary
Surface	Black painted, oiled, galvanized, as per customers' requirements
Ends	Plain, beveled by customers' requirements
Usage	Construction structure steel, shipbuliding, mining, machinery, automotive chassis
Others	We can provide round pipe(ERW and LSAW steel pipe) for you. As per customers' requirements, we can also manufacture