里氏硬度計(jì)測試范圍(表一)
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 |
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GC. IRON 灰鑄鐵 |
HRC |
||||||
HB |
93~334 |
92~326 |
|||||
HV |
|||||||
NC、IRON 球墨鑄鐵 |
HRC |
||||||
HB |
131~387 |
127~364 |
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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 |
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