里氏硬度计测试范围
|
材料 |
硬度制
|
冲击装置
|
|||||
|
D/DC
|
D+15
|
C
|
G
|
E
|
DL
|
||
|
Steel and cast steel
钢和铸钢 |
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锻钢
|
HS
|
32.2～99.5
|
|
|
|
|
|
|
CWT、ST
合金工具钢 |
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
不锈钢 |
HRB
|
46.5～101.7
|
|
|
|
|
|
|
HB
|
85～655
|
|
|
|
|
|
|
|
HV
|
85～802
|
|
|
|
|
|
|
|
GC. IRON
灰铸铁 |
HRC
|
|
|
|
|
|
|
|
HB
|
93～334
|
|
|
92～326
|
|
|
|
|
HV
|
|
|
|
|
|
|
|
|
NC、IRON
球墨铸铁 |
HRC
|
|
|
|
|
|
|
|
HB
|
131～387
|
|
|
127～364
|
|
|
|
|
HV
|
|
|
|
|
|
|
|
|
C．ALUM
铸铝合金 |
HB
|
19～164
|
|
23～210
|
32～168
|
|
|
|
HRB
|
23.8～84.6
|
|
22.7～85.0
|
23.8～85.5
|
|
|
|
|
BRASS
铜锌合金 |
HB
|
40～173
|
|
|
|
|
|
|
HRB
|
13.5～95.3
|
|
|
|
|
|
|
|
BRONZE铜锡(铝)合金
|
HB
|
60～290
|
|
|
|
|
|
|
COPPER纯铜
|
HB
|
45～315
|
|
|
|
|
|
公安机关备案号：
