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 | 25 days after receive ur deposits |
| Package |
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| Loading port | Tianjin/Xingang |
The wall thickness ranges from 0.7mm to 13mm, and the outer diameter sizes range from 20mm*20mm to 400mm*400mm. Custom specifications are also available according to client requests.
Our hollow section square tubes conform to major international standards including ASTM, DIN, JIS, and BS. Quality assurance is backed by ISO, BV, CE, and SGS certifications.
We accept a 30% T/T deposit in advance, with the remaining 70% balance paid after receiving the B/L copy. Standard delivery times are within 25 days upon receipt of the deposit.
We offer a wide range of steel materials including Q195—Q345, 10#, 45#, S235JR, GR.B-D, STK500, BS1387, and others to meet different structural requirements.
The tubes are securely bundled together for safe transport, and we can also customize packaging solutions according to specific customer requirements. Shipping is primarily handled through the Tianjin/Xingang port.
