Flexbar introduces a unique new set of six specially shaped files each with a non slip grip color coded handle.
Steel hardness testing files.
Set includes six files and a chart to convert to vickers scale.
It s most commonly used to check the hardness of steel that s been heat treated.
If a file can scratch your material then your material is softer than the file.
If a file cannot scratch your material then your material is harder than the file.
If it marks the material the material is less than 65 hrc.
Six color coded files indicate hardness from 40 to 65 hrc.
Tableofcontents listoffigures ix listoftables xii 1 introduction 1 2 rockwellhardnesstest 2 2 1significanceofthetest 2 2 2rockwellindentationtestprinciple 2 2.
Run the black file 65 hrc over test material.
It is an economical way to determine the hardness of steel on the rockwell c scale handles are marked with rockwell hardness values.
Conveniently packaged in a leather like case with a velcro lined flap the files are approximately 157 in diameter and 7 in length 4 3ΓΈ x 175mm.
Each of the files is of a different hardness so it is possible to roughly gage hardness by which ones cut and which ones don t.
The rockwell value is printed on each handle and the files range from hrc 40 through hrc 65.
Pick out the penetrator.
It is an economical way to determine the hardness of steel on the rockwell c scale handles are marked with rockwell hardness values.
If a file can scratch your material then your material is softer than the file.
Usually soft materials like 1018 mild steel will use the rockwell b scale which makes use of a 1 16 rounded steel penetrator with a 100 kg major load.
Set includes six files and a chart to convert to vickers scale.
If a file cannot scratch your material then your material is harder than the file.
The hardness of your test piece will be between the softest file that left a scratch and the next step down.
How to use a rockwell testing machine.
That said this is about as good as the cheap bounce testers and a lot more flexible in use part doesn t have to be massive flat shaped etc.