China Hot DIP Iron Pipe Galvanized Square Steel Tube Building Material

The product description:
Product name hollow section square tube
Wall Thickness 0.7mm--13mm
Length 1--14mAccording to customer requirements ...
Outer Diameter 20mm*20mm---400mm*400
Tolerance Tolerance based on Thickness:±5~±8%;According to customer's request
Shape square 
Material Q195---Q345,10#,45#,S235JR,GR.B-D,STK500,BS1387......
Surface treatment Galvanized
Zinc coating Hot dip galvanized square tube :220--350G/M2
Certificate ISO,BV,CE,SGS
Payment terms 30%T/T deposit in advance,70%balance after B/L copy;
Delivery times 20days after receive ur deposits
  1. Through a bundle
  2. According to customer’s requirement
Loading port Tianjin/Xingang
Product detail :
Square hollow section thickness test  square hollow section length test  square hollow section diameter test 

Square hollow section Product photo

 Square hollow section zinc coating 

Square hollow section warehouse

Different from other factories:     1.we applied for received 3 patents .(Groove pipe ,Shoulder pipe,Victaulic pipe )     2. Port : our factory just 40 kilometers from Xingang port ,is biggest port in the north of China .     3.Our manufacturing equipment include 4 pre-galvanized products lines,8 ERW steel pipe product lines,3 hot-dipped galvanized process lines. Customer photos :
  The customer purchased steel pipes in our factory. After the goods were produced, the customer came to our factory for inspection. Main products :
  Contact us: Tianjin Min Jie Steel Co.,Ltd Factory Address: No.B6-4 building, Oriental commercial street, Jinghai County, Tianjin. China Contact person: linda Wechat/whatsapp: +86 15028159378, skype:m15075132650 Tel: +86-022-68962601  Fax:+86-022-68962601    Mob: +86-15028159378