Black Steel Hollow Square 100 x 100 x 1.6mm

  Black hollow iron box is often called a pipe box where the inside is empty / hollow. In English it is called the Hollow Structural Section (HSS). Iron black hollow there are rectangular and rectangular for example hollow iron 40x40 and hollow iron 40x60

 

The types of hollow used on the market:

1.Hollow Iron (Black)

2. Follow Galvanized

3. Follow Galvalum

4. Hollow Gypsum