Hot Dip Galvanized Square Tube

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 Pre-galvanized  square  tube:40--220G/M2Hot 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 25days after receive ur deposits
  1. Through a bundle
  2. According to customer’s requirement
Loading port Tianjin/Xingang

customer's benefit:

What benefits do customers get:

   1.we are factory .( our price will have an advantage over trading companies.)    2.Don't worry about the delivery date . we are sure to deliver the goods in time and quality to achieve customer satisfaction .  Product detail :
Thickness Length Diameter

Product photos

 Zinc coating

diameter detail

  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. Product photos :
  Customer case:     Australian customer purchase powder coating pre galvanized steel square tube. After customers receives the goods for the first time . Customer tests adhesive strength between the powder and the surface of the square tube .Customers test powder and square surface adhesion is small . We have meetings with customers to discuss this problem and we do tests all the time . we polished the surface of the square tube . Send the polished square tube to the heating furnace for heating . We tests all the time and discuss with customer all the time . We keep finding ways . After many tests, the final customer is very satisfied with the products. Now customer purchase a large number of products from factory every month . 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