Metallography disk for parallel cutting without burning or burr of ferrous or non-ferrous metals.
CODE | HARDNESS IN HRc | BRINELL HARDNESS | TYPE OF MATERIAL |
---|---|---|---|
SK 9 ZN | 20 to 30 HRc | 230 to 290 Hb | Low hardness, tubes |
SK 6 AP | 30 to 35 HRc | 290 to 330 Hb | Medium hardness |
SK 8 ZN | 35 to 45 HRc | 330 to 430 Hb | General use |
SK 6 A | 45 to 55 HRc | 430 to 550 Hb | Hard materials |
SK 6 AA | 55 to 65 HRc | 550 to 680 Hb | High hardness |
SK 6 AAN | 65 to 70 HRc | 680 to 780 Hb | Extra hard |
SK 7 C | Non-ferrous |
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