

便攜式里氏硬度計(jì)/里氏硬度計(jì)/里氏硬度儀
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材料
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硬度制
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沖擊裝置
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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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鋼和鑄鋼
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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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鍛鋼
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HB
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143-650
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合金工具鋼
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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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不銹鋼
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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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灰鑄鐵
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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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球墨鑄鐵
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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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鑄鋁合金
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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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銅鋅合金
(黃銅)
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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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銅錫合金
(青銅)
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HB
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60-290
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純銅
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HB
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45-315
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異型沖擊裝置
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DC(D)/DL
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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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沖擊能量
沖擊體質(zhì)量
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11mJ
5.5g/7.2g
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11mJ
7.8g
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2.7mJ
3.0g
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90mJ
20.0g
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11mJ
5.5g
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球頭硬度:
球頭直徑:
球頭材料:
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1600HV
3mm
碳化鎢
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1600HV
3mm
碳化鎢
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1600HV
3mm
碳化鎢
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1600HV
5mm
碳化鎢
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5000HV
3mm
金剛石
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沖擊裝置直徑:
沖擊裝置長(zhǎng)度:
沖擊裝置重量:
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20mm
86(147)/ 75mm50g
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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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試件硬度
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940HV
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940HV
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1000HV
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650HB
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1200HV
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試件表面平均粗糙度Ra:
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1.6μm
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1.6μm
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0.4μm
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6.3μm
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1.6μm
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試件小重量:
可直接測(cè)量
需穩(wěn)定支撐
需密實(shí)耦合
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>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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試件小厚度密實(shí)
耦合硬化層小深度
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5mm
≥0.8mm
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5mm
≥0.8mm
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1mm
≥0.2mm
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10mm
≥1.2mm
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5mm
≥0.8mm
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球頭壓痕尺寸
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硬度300HV時(shí)
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壓痕直徑
壓痕深度
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0.54mm
24μm
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0.54mm
24μm
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0.38mm
12μm
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1.03mm
53μm
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0.54mm
24μm
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硬度600HV時(shí)
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壓痕直徑
壓痕深度
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0.54mm
17μm
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0.54mm
17μm
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0.32mm
8μm
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0.90mm
41μm
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0.54mm
17μm
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硬度800HV時(shí)
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壓痕直徑
壓痕深度
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0.35mm
10μm
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0.35mm
10μm
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0.35mm
7μm
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--
--
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0.35mm
10μm
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沖擊裝置適用范圍
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DC型測(cè)量孔或園柱筒內(nèi)、DL型測(cè)量細(xì)長(zhǎng)窄槽或孔
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