便携式里氏硬度计/里氏硬度计/里氏硬度仪
材料
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硬度制
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冲击装置
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D/DC
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D+15
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C
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G
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E
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DL
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钢和铸钢
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HRC
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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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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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61.7-88.0
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HB
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127-651
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80~638
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80~683
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90-646
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83-663
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81-646
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HV
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83-976
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80~937
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80~996
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84-1042
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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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锻钢
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HB
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143-650
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合金工具钢
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HRC
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20.4-67.1
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19.8-68.2
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20.7-68.2
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22.6-70.2
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HV
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80-898
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80-935
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100-941
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82-1009
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不锈钢
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HRB
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46.5-101.7
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HB
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85-655
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HV
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85-802
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灰铸铁
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HRC
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HB
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93-334
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92-326
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HV
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球墨铸铁
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HRC
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HB
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131-387
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127-364
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HV
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铸铝合金
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HB
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19-164
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23-210
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32-168
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HRB
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23.8-84.6
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22.7-85.0
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23.8-85.5
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铜锌合金
(黄铜)
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HB
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40-173
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HRB
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13.5-95.3
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铜锡合金
(青铜)
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HB
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60-290
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纯铜
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HB
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45-315
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异型冲击装置
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DC(D)/DL
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D+15
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C
|
G
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E
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冲击能量
冲击体质量
|
11mJ
5.5g/7.2g
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11mJ
7.8g
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2.7mJ
3.0g
|
90mJ
20.0g
|
11mJ
5.5g
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球头硬度:
球头直径:
球头材料:
|
1600HV
3mm
碳化钨
|
1600HV
3mm
碳化钨
|
1600HV
3mm
碳化钨
|
1600HV
5mm
碳化钨
|
5000HV
3mm
金刚石
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冲击装置直径:
冲击装置长度:
冲击装置重量:
|
20mm
86(147)/ 75mm50g
|
20mm
162mm
80g
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20mm
141mm
75g
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30mm
254mm
250g
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20mm
155mm
80g
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试件硬度
|
940HV
|
940HV
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1000HV
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650HB
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1200HV
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试件表面平均粗糙度Ra:
|
1.6μm
|
1.6μm
|
0.4μm
|
6.3μm
|
1.6μm
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试件小重量:
可直接测量
需稳定支撑
需密实耦合
|
>5kg
2~5kg
0.05~2kg
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>5kg
2~5kg
0.05~2kg
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>1.5kg
0.5~1.5kg
0.02~0.5kg
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>15kg
5~15kg
0.5~5kg
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>5kg
2~5kg
0.05~2kg
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试件小厚度密实
耦合硬化层小深度
|
5mm
≥0.8mm
|
5mm
≥0.8mm
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1mm
≥0.2mm
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10mm
≥1.2mm
|
5mm
≥0.8mm
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球头压痕尺寸
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硬度300HV时
|
压痕直径
压痕深度
|
0.54mm
24μm
|
0.54mm
24μm
|
0.38mm
12μm
|
1.03mm
53μm
|
0.54mm
24μm
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硬度600HV时
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压痕直径
压痕深度
|
0.54mm
17μm
|
0.54mm
17μm
|
0.32mm
8μm
|
0.90mm
41μm
|
0.54mm
17μm
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硬度800HV时
|
压痕直径
压痕深度
|
0.35mm
10μm
|
0.35mm
10μm
|
0.35mm
7μm
|
--
--
|
0.35mm
10μm
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冲击装置适用范围
|
DC型测量孔或园柱筒内、DL型测量细长窄槽或孔
|