... the hardness increases, can knives and scissors be made,6Cr14 Martensite which has been applied to high quality knives and ... kind of excellent martensitic stainless steel, after heat treatment, 6Cr14 has reasonable internal structure , and it is very appropriate ... razor blades, clipper blades and surgical knives and scissors, 6Cr14 has been greatly improved in quenched hardness and wearing resistance ...