Minjie Steel
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As for aggressive price ranges, we believe that you will be searching far and wide for anything that can beat us. We can easily state with absolute certainty that for such high-quality at such price ranges we're the lowest around for Spiral Welded Steel Pipe. We maintain timely delivery schedules, innovative designs, quality and transparency for our customers. Our moto is to deliver quality products within stipulated time.
As for aggressive price ranges, we believe that you will be searching far and wide for anything that can beat us. We can easily state with absolute certainty that for such high-quality at such price ranges we're the lowest around for Big Diameter Carbon Steel Pipe, Carbon Steel Pipe, and Spiral Welded Steel Pipe. We also have the strong ability of integration to supply our best service, and plan to build the warehouse in the different countries around the world, that will probably be more conveniently to service our customers.
| Product name | welded steel pipe |
| Wall Thickness | 0.6mm--20mm |
| Length | 1--14m According to customer requirements ... |
| Outer Diameter | 1/2’’(21.3mm)---16’’(406.4mm) |
| Tolerance | Tolerance based on Thickness: ±5～±8% |
| Shape | Round |
| Material | Q195---Q345, 10#, 45#, S235JR, GR.B-D, STK500, BS1387...... |
| Surface treatment | black |
| Port | Tianjin/Xingang |
| Standard | ASTM, DIN, JIS, BS |
| 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 |
| Package |
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| Loading port | Tianjin/Xingang |
What benefits do customers get:
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.
The customer purchased steel pipes in our factory. After the goods were produced, the customer came to our factory for inspection.
What types of steel pipes do you manufacture?
We manufacture a wide range of steel pipes, including Welded Steel Pipe, Big Diameter Carbon Steel Pipe, Carbon Steel Pipe, and Spiral Welded Steel Pipe.
What are the dimension specifications of your welded steel pipes?
Our welded steel pipes have a wall thickness range of 0.6mm to 20mm, an outer diameter from 1/2’’ (21.3mm) to 16’’ (406.4mm), and lengths between 1m and 14m customizable according to your requirements.
What proprietary technologies or patents do you hold?
We have applied for and received 3 distinct patents for specialized pipe structures, which include Groove pipe, Shoulder pipe, and Victaulic pipe.
What is your production capacity and facilities?
Our advanced manufacturing facility operates 4 pre-galvanized product lines, 8 ERW steel pipe product lines, and 3 hot-dipped galvanized process lines to ensure consistent quality and production volume.
Where is the loading port, and how long is the delivery time?
Our factory is located just 40 kilometers from Xingang Port (Tianjin), the largest port in Northern China, allowing for rapid transport. The delivery time is typically 25 days after receiving the deposit.
How do you solve technical or quality issues for international orders?
We prioritize customer collaboration. As shown in our case studies, we conduct thorough research, design iterations, and laboratory tests (such as specialized polishing and heat treatment to optimize powder coating adhesion) until the client is fully satisfied.
