材料 | 硬度制 | 沖擊裝置 | |||||
D/DC | D+15 | C | G | E | DL | ||
Steel and cast steel 鋼和鑄鋼 | HRC | 17.9~68.5 | 19.3~67.9 | 20.0~69.5 | | 22.4~70.7 | 20.6~68.2 |
HRB | 59.6~99.6 | | | 47.7~99.9 | | 37.0~99.9 | |
HRA | 59.1~85.8 | | | | 61.7~88.0 | | |
HB | 127~651 | 80~638 | 80~683 | 90~646 | 83~663 | 81~646 | |
HV | 83~976 | 80~937 | 80~996 | | 84~1042 | 80~950 | |
HS | 32.2~99.5 | 33.3~99.3 | 31.8~102.1 | | 35.8~102.6 | 30.6~96.8 | |
Steel鍛鋼 | HS | 32.2~99.5 | | | | | |
CWT、ST 合金工具鋼 | HRC | 20.4~67.1 | 19.8~68.2 | 20.7~68.2 | | 22.6~70.2 | |
HV | 80~898 | 80~935 | 100~941 | | 82~1009 | | |
Stainless steel 不銹鋼 | HRB | 46.5~101.7 | | | | | |
HB | 85~655 | | | | | | |
HV | 85~802 | | | | | | |
GC. IRON 灰鑄鐵 | HRC | | | | | | |
HB | 93~334 | | | 92~326 | | | |
HV | | | | | | | |
NC、IRON 球墨鑄鐵 | HRC | | | | | | |
HB | 131~387 | | | 127~364 | | | |
HV | | | | | | | |
C.ALUM 鑄鋁合金 | HB | 19~164 | | 23~210 | 32~168 | | |
HRB | 23.8~84.6 | | 22.7~85.0 | 23.8~85.5 | | | |
BRASS 銅鋅合金 | HB | 40~173 | | | | | |
HRB | 13.5~95.3 | | | | | | |
BRONZE銅錫(鋁)合金 | HB | 60~290 | | | | | |
COPPER純銅 | HB | 45~315 | | | | | |
序號 | 沖擊裝置類型 | 標(biāo)準(zhǔn)里氏硬度塊硬度值 | 示值誤差 | 示值重復(fù)性 |
1 | D | 760±30HLD 530±40HLD | ±6 HLD ±10 HLD | 6 HLD 10 HLD |
2 | DC | 760±30HLDC 530±40HLDC | ±6 HLDC ±10 HLDC | 6 HLD 10 HLD |
3 | DL | 878±30HLDL 736±40HLDL | ±12 HLDL | 12 HLDL |
4 | D+15 | 766±30HLD+15 544±40HLD+15 | ±12 HLD+15 | 12 HLD+15 |
5 | G | 590±40HLG 500±40HLG | ±12 HLG | 12 HLG |
6 | E | 725±30HLE 508±40HLE | ±12 HLE | 12 HLE |
7 | C | 822±30HLC 590±40HLC | ±12 HLC | 12 HLC |