1. Product name: structural steel pipe ASTM A53 hollow section 50*50mm galvanized square tubes aluminium square pipe
2. Application: Widely used in furniture, interior decoration, structure
3. Size: 10*10~400*400mm
4. Pipe standard: ASTM A53/ ASTM A500/ BS EN 10219/ ASTM A513/Q235B/ Q345
5. Furface: Black bared/ galvanized/ oiled/ painted/ powdered
6. Package: Waterproof plastic bag/ bundle with strip