J Jim Watson New member Jan 30, 2018 #21 For surface hardened parts, there is a specific Rockwell Superficial Hardness test. It uses a small brale penetrator to make a very small indention.
For surface hardened parts, there is a specific Rockwell Superficial Hardness test. It uses a small brale penetrator to make a very small indention.
D David R New member Jan 30, 2018 #22 Clean the slide well in kerosene. Dry with a rag. Rub chalk on the suspected area, tap slide. If its cracked the kerosene will come out of the crack and show up well in the chalk. David
Clean the slide well in kerosene. Dry with a rag. Rub chalk on the suspected area, tap slide. If its cracked the kerosene will come out of the crack and show up well in the chalk. David