ASTM A500 Square Hollow Section/Square tube

ASTM A500 Square Hollow Section/Square tube
1. Specification: 20*20-600*600mm
2. Thickness: 2-25mm
3. Standard: Can be required
4. All kinds of specification
5. Good quality with competitive price
6. Packing: Standard export packing
The company can produce various sizes of longitudinally and spirally welded steel pipes according to the following standards such as API ASTM JIS BS DIN and GB etc.