53HR45T, Superficial Rockwell Test
540HK0.5 Knoop Test Block
550HV0.05 Vickers Test Block
550HV0.5 Vickers Test Block
55HR30N, Superficial Rockwell Test
55HR45N, Superficial Rockwell Test
55HRC, Rockwell Test Block
56HR30T, Superficial Rockwell Test
57HRE, Rockwell Test Block,
57HRF, Rockwell Test Block,
58HRA, Rockwell Test Block
600HV0.05 Vickers Test Block
600HV0.5 Vickers Test Block
600HV10 Vickers Test Block
600HV20 Vickers Test Block
600HV30 Vickers Test Block
600HV5 Vickers Test Block
60HR30N, Superficial Rockwell Test
60HRB, Rockwell Test Block,
60HRC, Rockwell Test Block
61HR45N, Superficial Rockwell Test
630HK0.5 Knoop Test Block
