40×40 Galvanized hollow section Steel Square Pipe

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%
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;100%Irrevocable L/C at sight,100% Irrevocable L/C after receive B/L copy 20--30days
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.We will update the price regularly with customers according to the steel market price.

Our suggest is ,when prices go down, customers purchase products.Customers can get high quality products at low prices and we can get orders.

3.Customers can get high quality products and efficient service.


Product detail :

Thickness Length Diameter



Product photos

 Zinc coating

diameter detail


Different from other factories:

  • Delivery date:We discussed the delivery date with the customer.
  • Prompt reply:After work, we will check the email in time,We will deal with emails from customers in time.Solve problems for customers in time.We provide efficient service
  • Port : our factory just 40 kilometers from Xingang port ,is biggest port in the north of China .
  •  The quality of the product:No joint pipe and square cut, deburred


Product photos :


Customer case:

An inquiry has been received from a customer in Singapore.The customer needs steel pipes.After we give the price to the customer.The customer says our price is high.Customers are compared with other suppliers.The customer purchased 10 containers in our factory for the first time .Now per month we are still supplying goods to this customer. The customer is satisfied with the quality of our products.Customers to our factory to establish long-term relations of cooperation.


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 


Mob: +86-15028159378