Material Finish Comparison

Material FinishDescription
MillA matte blue grey finish with coarse surface texture produced by "hot rolling" at the steel mill. (Hot Rolled Annealed and Pickled (HRAP)).
2BSmooth, reflective grey surface produced by "cold rolling" at the steel mill.
35 µin Ra Surface ground (final step of 150-180 Grit). Surface finish is a maximum of 35 µin Ra (0.89µm Ra)
20 µin Ra Surface ground (final step of 220-240 Grit). Surface finish is a maximum of 20 µin Ra (0.51µm Ra)
14 µin Ra Surface ground (final step of 220-240 Grit). Surface finish is a maximum of 14 µin Ra (0.36µm Ra)
14 µin Ra Surface ground (final step of 320 Grit). Surface finish is a maximum of 10 µin Ra (0.25µm Ra)