55HR30N, Superficial Rockwell Test
86HRF, Rockwell Test Block,
46HR30N, Superficial Rockwell Test
72HR15N, Superficial Rockwell Test
91HRF, Rockwell Test Block,
80HRF, Rockwell Test Block,
75HR15N, Superficial Rockwell Test
93HRE, Rockwell Test Block,
49HRG, Rockwell Test Block,
97HRF, Rockwell Test Block,
81HRE, Rockwell Test Block,
99HRE, Rockwell Test Block,
95HRB, Rockwell Test Block,
70HR30T, Superficial Rockwell Test
80HRB, Rockwell Test Block,
56HR30T, Superficial Rockwell Test
96HR15Y, Superficial Rockwell Test
49HR45N, Superficial Rockwell Test
43HR45N, Superficial Rockwell Test
67HR45T, Superficial Rockwell Test
37HR45N, Superficial Rockwell Test
53HR45T, Superficial Rockwell Test
31HR45N, Superficial Rockwell Test
