HL200里氏硬度计
作者 Admin
浏览
发布时间 11/06/03
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以下附表一为硬度计适用范围，附表二为适用条件
附表一(适用范围)：
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材料
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硬度制
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冲击装置
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D/DC
|
D+15
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C
|
G
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E
|
DL
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Steel and cast steel
钢和铸钢
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HRC
|
17.9～68.5
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19.3～67.9
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20.0～69.5
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|
22.4～70.7
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20.6～68.2
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HRB
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59.6～99.6
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|
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47.7～99.9
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37.0～99.9
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HRA
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59.1～85.8
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|
|
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61.7～88.0
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|
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HB
|
127～651
|
80～638
|
80～683
|
90～646
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83～663
|
81～646
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HV
|
83～976
|
80～937
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80～996
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84～1042
|
80～950
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|
HS
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32.2～99.5
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33.3～99.3
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31.8～102.1
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35.8～102.6
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30.6～96.8
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Steel锻钢
|
HB
|
143～650
|
|
|
|
|
|
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CWT、ST
合金工具钢
|
HRC
|
20.4～67.1
|
19.8～68.2
|
20.7～68.2
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22.6～70.2
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|
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HV
|
80～898
|
80～935
|
100～941
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|
82～1009
|
|
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Stainless steel
不锈钢
|
HRB
|
46.5～101.7
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|
|
|
|
|
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HB
|
85～655
|
|
|
|
|
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HV
|
85～802
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|
|
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GC. IRON
灰铸铁
|
HRC
|
|
|
|
|
|
|
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HB
|
93～334
|
|
|
92～326
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|
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HV
|
|
|
|
|
|
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NC、IRON
球墨铸铁
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HRC
|
|
|
|
|
|
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HB
|
131～387
|
|
|
127～364
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|
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HV
|
|
|
|
|
|
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C．ALUM
铸铝合金
|
HB
|
19～164
|
|
23～210
|
32～168
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|
|
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HRB
|
23.8～84.6
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22.7～85.0
|
23.8～85.5
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|
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BRASS
铜锌合金
（黄铜）
|
HB
|
40～173
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|
|
|
|
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HRB
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13.5～95.3
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|
|
|
|
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BRONZE铜锡合金
（青铜）
|
HB
|
60～290
|
|
|
|
|
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COPPER纯铜
|
HB
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45～315
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