Back (Edge zone)

1.5528 | 22MnB5 AlSi-coated (before press hardening)

Numeric designation1.5528
Chemical designation22MnB5
StateAlSi-coated (before press hardening)
Etching3 % Nital

The images illustrate the AlSi coating of the belt material before press hardening (initial state). AlSi crystals have formed and the coating is crack-free. The matrix is ferritic-pearlitic.