Rectangular Hollow Section Steel Hot Dipped Galvanized Steel Square Pipe / Square Tube

Transport Package
PVC Packing
Our solutions are broadly acknowledged and dependable by users and may meet consistently developing economic and social requires for Rectangular Hollow Section Steel Hot Dipped Galvanized Steel Square Pipe / Square Tube, The product will supply to all over the world, such as: Philippines, United States, Senegal, Satisfaction and good credit to every customer is our priority. We focus on every detail of order processing for customers till they have received safe and sound products with good logistics service and economical cost. Depending on this, our products are sold very well in the countries in Africa, the Mid-East and Southeast Asia.
Size OD 20*20-500*500MM
Wall Thickness 0.6 mm-15mm
Length 1-12M
Standard ASTM A 500 Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes
BS EN 10219-2 :2006  Cold formed welded structural hollow sections finegrain steels 
Steel Grade   S235, S235JR, S235 G2H, S275, S275JR, S355JRH ,S355J2H
 St33, St37, St44, ST52
JIS G3444 STK290,STK400,STK500,STK490,STK540
Steel material Q195 → SS330,ST37,ST42
Q235 → SS400,S235JR
Q345 → S355JR,SS500,ST52
Zinc Weight 40g,60g,80g,100g,120g,270g,400g,500g,550g
7μm ,8μm, 15μm ,20μm ,40μm ,60μm,70μm,80μm
Usage 1)Low Pressure Liquid, Water, Gas, Oil, Line Pipe
2)Construction , Structure
3)Agriculture fence post , door pipe

Surface Treatment
1) Color Painted (Black / Red / Varnish coating)
2) Galvanized
3) Oiled
4) As Clients Requirements

1) PVC Packing 
2) By Container 
3) By Bulk Vessel 
4) As Clients requirements


1)Before Shipping ,Our professional Inspectors Will Check The Pipes Diameter ,Thickness ,Length, Chemical Composition, Mechanical Properties,Zinc Coating  etc, Everything is Ok, Then Will Shipping and Supply a MTC With Full Information .
2) Support The Third Party Inspection ,SGS, BV and Others.


Tianjin Jinxinbao Mental Surface Treatment Co.,LTD .We were founded in 2012, with the headquarters location at the largest welded pipe production based in china-Yangjiayuan Town,Tianjin city,which is the most professional manufactuer of steel products in this area. There have total 6 galvanized production lines ,about 200 employees and annual production more than 200000 tons .

In the 2016, in order to meet client requirements, we built a after-processing factory, whose named is Tianjin Baojing New Energy Technology Co.,LTD , which produced all kinds of customized products and sucessful supply for many PV projects .

As the exports window, Tianjin Shengteng Internatinal Trading Co.,LTD , manily exporting the factorys galvanized steel products, especially galvanized steel pipe ,square and rectangular steel tube, seamless steel pipe ,ERW steel pipe, galvanized steel coil/sheets ,scaffolding steel props, PV mounting system .

In the past ,we get good feedback from old clients, and we will more fouce on the quality and improve the service to thankful each client in the future.


1)How manys days can you delivery after confriming order ?
If we have stock ,we can shipping within 5-7 days . If customized ,usually within 30 days with normal size . Specially sizes need to confirm with factory.

2) What is your payment?
1. 30%TT deposit, 70% balance against with BL copy . 
2. 100% LC at sight /45 days or 60 days LC 

3)What is the products warranty ?
As long as you received our cargo within 1 years, you have any problem ,pls feedback to us .After cnofirming our quality cause ,we will resend new pipes or give reasonable compensation for you.

4) Can I have a trail order ?
Of course ,we are gald to make a trail order to show our quality and service . Getting your satification ,we can try more cooperation .

5) Can I have a vist ?
 Welcome your visiting ,we can communicate and exchange market information to develop more business.


Sale Manager : Anna Wang
Phone: 0086-15502299235