Bend Test in Annealed Strip
  Length Width
0.20 to 0.9 mm Okay with 180 Okay with 180
1.0 to 1.5 mm Okay with 180 Okay with 1r
1.6 to 2.0 mm Okay with 1r Okay with 2r
2.3 to 3.0 mm Okay with 1r Okay with 3r
3.0 to Okay Okay with 2r Okay with 3r

r: radius equivalent to thickness of strip.

Guide for checking Hardness & Hardness conversion table.