Square Metal Tube Q235

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 black
factory  yes 
Standard ASTM,DIN,JIS,BS
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
Package
  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 photos :
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 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. Produce  products :