64HR30N, Superficial Rockwell Test
65HRA, Rockwell Test Block
65HRC, Rockwell Test Block
67HR15T, Superficial Rockwell Test
67HR45N, Superficial Rockwell Test
67HR45T, Superficial Rockwell Test
68HRA, Rockwell Test Block
69HR30N, Superficial Rockwell Test
69HRE, Rockwell Test Block,
69HRF, Rockwell Test Block,
700HV0.3 Vickers Test Block
700HV0.5 Vickers Test Block
700HV1 Vickers Test Block
700HV10 Vickers Test Block
700HV20 Vickers Test Block
700HV30 Vickers Test Block
700HV5 Vickers Test Block
70HR30T, Superficial Rockwell Test
70HR45N, Superficial Rockwell Test
70HRA, Rockwell Test Block
70HRB, Rockwell Test Block,
70HRC, Rockwell Test Block
71HR15T, Superficial Rockwell Test
