| Standard | Grade |
|---|---|
| API 5L PSL1 | A, B, X42, X52, X56, X60, X65, X70, X80 |
| ASTM A53/ASTM SA53 ASTM A106/ASTM SA106 | A, B, C |
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.
We supply steel pipes complying with API 5L PSL1 (Grades A, B, X42, X52, X56, X60, X65, X70, X80) and ASTM A53/A106 (Grades A, B, C).
Our pipes have an outer diameter range of 1/4’’ to 18’’, thickness ranging from 2.24mm to 45.24mm, and standard length ranging from 1m to 12m.
Yes, our products are CE certified. Furthermore, we hold 3 key patents for Groove pipe, Shoulder pipe, and Victaulic pipe designs.
They are highly suitable for structural pipes, petroleum transmission, natural gas piping, drilling operations, pumping systems, and other industrial applications.
Our factory is located in Tianjin, China, just 40 kilometers from Xingang Port (the biggest port in Northern China), ensuring extremely fast and cost-efficient shipping logistics.
Our facility features 4 pre-galvanized product lines, 8 ERW steel pipe lines, and 3 hot-dipped galvanized process lines, enabling consistent and high-quality mass production.