Minjie Steel
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| 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%; According to customer’s request |
| Shape | square |
| Material | Q195—Q345, 10#, 45#, S235JR, GR.B-D, STK500, BS1387…… |
| Surface treatment | black |
| factory | yes |
| Standard | ASTM, DIN, JIS, BS |
| Certificate | ISO, BV, CE, SGS |
| Payment terms | 30%T/T deposit in advance, 70%balance after B/L copy; |
| Delivery times | 25days after receive ur deposits |
| Package |
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| Loading port | Tianjin/Xingang |
Our hollow section square tubes are available in outer diameters ranging from 20mm*20mm to 400mm*400mm, with wall thicknesses between 0.7mm and 13mm.
We supply square tubes in various grades and materials, including Q195 to Q345, 10#, 45#, S235JR, GR.B-D, STK500, BS1387, and others to suit your specific engineering requirements.
Our products meet international manufacturing standards, including ASTM, DIN, JIS, and BS. Additionally, they are certified by leading bodies such as ISO, BV, CE, and SGS.
Our payment term is a 30% T/T deposit in advance, with the remaining 70% balance paid after receipt of the B/L copy. Standard delivery takes approximately 25 days after we receive your deposit.
The products are typically dispatched in secure bundles or packaged according to the specific requirements of our customers to ensure safe transit during shipping.
Yes, we provide standard lengths from 1 to 14 meters, and we can customize the length further according to your specific requirements.
