HT-50里氏硬度計(jì)
沖擊裝置D、DC | |||||
| HRC | HRB | HB | HV | HSD |
STEEL鋼和鑄鋼 | 17.9-68.5 | 59.6-99.5 | 93-651 | 83-976 | 32.2-99.5 |
SWT.ST合金工具鋼 | 20.4-67.1 | \ | \ | 80-898 | \ |
GC.IRON灰鑄鐵 | \ | \ | 93-334 | 80-898 | \ |
NC.IRON球墨鑄鐵 | \ | \ | 131-387 | \ | \ |
C.ALUM鑄鋁合金 | \ | \ | 30-159 | \ | \ |
BRASS(黃銅)銅鋅合金 | \ | 13.5-95.3 | 40-173 | \ | \ |
BRONZE(青銅)銅錫合金 | \ | \ | 60-290 | \ | \ |
COPPER純銅 | \ | \ | 45-315 | \ | |