Damascus Rose 220
Stainless Steel Damascus Billets No Core
It was forged by 440C and 12C27. Total about 70 layers. This Damascus billet is heat treated completely, hardened and tempered to 56-58 HRC.
The surface is grinded to about 400 grit and already do the acid etching to see visable patterns. If want to have deep patterns, acid etching with FeCl3.