Product Name
Powder coating square tube
Product Detail
Standard
GB/T6728--2002, ASTMA500GR.A.B.C, JIS G3466
Steel Grade
Q195--Q235
Sizes
10mm*10mm - 1000mm*1000mm / 10mm*20mm - 500*1000mm
Thickness
0.6 - 30.0mm
Section Shape
Square / Rectangular
Country of Origin
China (Mainland)
Provinces
Tianjin
Application
Structure Pipe
Certificate
CE
Surface Treatment
Powder Coating
Alloy Classification
Non-alloy
Factory Status
Yes (Direct Factory)
Product Display
Products Use
Customer's Benefit
What benefits do customers get:
- We are factory. (Our price will have an advantage over trading companies.)
- Don't worry about the delivery date. We are sure to deliver the goods in time and quality to achieve customer satisfaction.
Different From Other Factories
- We applied for and received 3 patents (Groove pipe, Shoulder pipe, Victaulic pipe).
- Port proximity: Our factory is just 40 kilometers from Xingang port, the biggest port in the north of China.
- Our manufacturing equipment includes 4 pre-galvanized product lines, 8 ERW steel pipe product lines, and 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
Frequently Asked Questions (FAQ)
💡 What standards do your powder coating square tubes meet?
Our powder coating square tubes are manufactured to comply with GB/T6728--2002, ASTMA500GR.A.B.C, and JIS G3466 standards.
💡 What size and thickness ranges do you offer?
We supply square tubes from 10mm*10mm to 1000mm*1000mm (and rectangular tubes from 10mm*20mm to 500*1000mm) with thickness options spanning from 0.6mm up to 30.0mm.
💡 Do you have your own factory for manufacturing?
Yes, we are a direct factory, which allows us to offer pricing advantages over trading companies, ensure quality control, and guarantee on-time delivery dates.
💡 What production lines and equipment does your facility have?
Our manufacturing facility features 4 pre-galvanized product lines, 8 ERW steel pipe product lines, and 3 hot-dipped galvanized process lines to support high-capacity production.
💡 What patented products do you produce?
We have applied for and successfully received 3 product patents, which cover Groove pipes, Shoulder pipes, and Victaulic pipes.
💡 How do you handle quality control and adhesion issues for powder coated tubes?
We perform thorough testing, such as testing the adhesion strength between the powder coating and the steel surface. If issues occur, we work to optimize production by polishing the surfaces and adjusting heating furnace temperatures until complete product compliance is met.
Minjie Steel
