📦 The product description
| Product name |
hollow section square tube |
| Wall Thickness |
0.7mm--13mm |
| Length |
1--14m According 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/M2 Hot dip galvanized square tube: 220--350G/M2 |
| 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 |
- Through a bundle
- According to customer’s requirement
|
| Loading port |
Tianjin/Xingang |
💡 Customer's benefit
What benefits do customers get：
- We are factory: Our price will have an advantage over trading companies.
- Regular updates: We will update the price regularly with customers according to the steel market price. Our suggestion is, when prices go down, customers purchase products. Customers can get high quality products at low prices and we can get orders.
- Value added: 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 is just 40 kilometers from Xingang port, which is the 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
❓ Frequently Asked Questions (FAQ)
💡 Q1: What size range do you offer for the hollow section square tubes?
We offer outer diameters ranging from 20mm*20mm up to 400mm*400mm, with wall thicknesses from 0.7mm to 13mm. Custom lengths from 1 to 14 meters are available depending on requirements.
💡 Q2: What quality standards and certifications do your steel products meet?
Our square tubes are manufactured according to ASTM, DIN, JIS, and BS standards. They are fully certified with ISO, BV, CE, and SGS credentials.
💡 Q3: What options are available for zinc coatings and surface treatments?
Our products undergo galvanized surface treatments. Pre-galvanized square tubes feature a zinc coating weight of 40–220 G/M², while hot-dip galvanized square tubes have a coating weight of 220–350 G/M².
💡 Q4: What are the primary payment and shipping terms?
We accept a 30% T/T deposit in advance, with the remaining 70% balance due upon receipt of the B/L copy. We also accept 100% Irrevocable L/C at sight, or 100% Irrevocable L/C within 20–30 days of receiving the B/L copy. The standard delivery lead time is 25 days after deposit confirmation.
💡 Q5: How do you ensure the overall quality and finishing of the tubes?
Our processing standards ensure there are no joint pipes. Additionally, we provide square cuts that are thoroughly deburred to guarantee clean, smooth edges.
💡 Q6: Where is your default shipping port located?
Our default shipping port is Tianjin/Xingang, which is the largest port in Northern China and located conveniently close to our facilities.
Minjie Steel
