|
材料
|
硬度制
|
沖擊裝置
|
|||||
|
D/DC/DS
|
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
|
HB
|
143～650
|
|
|
|
|
|
|
CWT、ST
合金具鋼 |
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
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
銅鋅（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±30 HLD
530±40 HLD |
±6 HLD
±10 HLD |
6 HLD
10 HLD |
|
2
|
DC
|
760±30 HLDC
530±40 HLDC |
±6 HLDC
±10 HLDC |
6 HLD
10 HLD |
|
3
|
DL
|
878±30 HLDL
736±40 HLDL |
±12 HLDL
|
12 HLDL
|
|
4
|
D+15
|
766±30 HLD+15
544±40 HLD+15 |
±12 HLD+15
|
12 HLD+15
|
|
5
|
G
|
590±40 HLG
500±40 HLG |
±12 HLG
|
12 HLG
|
|
6
|
E
|
725±30 HLE
508±40 HLE |
±12 HLE
|
12 HLE
|
|
7
|
C
|
822±30 HLC
590±40 HLC |
±12 HLC
|
12 HLC
|
