Q195 welded square steel tube

square 15*15-200*200

rectangular 15*20-150*200mm

thickness: 1.0-15mm

diameter terolance:  0.5mm

thickness terolance; 10% of the wall thickness

length:5.8-6-12m according to your demand

Surface: black, ooiled or painted

package:in square bundle into container

MOQ:for normal size can accept 5 ton.

Deivery time: 7-25 days