Matte finish – most common for tubing and pipe
Polished finish. The larger the grit number, the shinier the tube/pipe
- 140 grit
- 160 grit
- 180 grit
Bright annealed finish – for welded tubing and pipe.
- Anneal in a furnace with an atmosphere that prevents oxidation of tube and pipe surface during annealing. Results in shiny metal.
