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冲击装置技术参数一览
异型冲击装置 |
DC(D)/DL |
D+15 |
C |
G |
E(需进口) |
|
冲击能量 |
11mJ |
11mJ |
2.7mJ |
90mJ |
11mJ |
|
球头硬度: |
1600HV |
1600HV |
1600HV |
1600HV |
5000HV |
|
冲击装置直径: |
20mm |
20mm |
20mm |
30mm |
20mm |
|
试件最大硬度 |
940HV |
940HV |
1000HV |
650HB |
1200HV |
|
试件表面平均粗糙度Ra: |
1.6μm |
1.6μm |
0.4μm |
6.3μm |
1.6μm |
|
试件最小重量: |
大于5kg |
大于5kg |
大于1.5kg |
大于15kg |
大于5kg |
|
试件最小厚度 |
5mm |
5mm |
1mm |
10mm |
5mm |
|
里氏硬度计冲击装置球头压痕尺寸 |
||||||
硬度300HV时 |
压痕直径 |
0.54mm |
0.54mm |
0.38mm |
1.03mm |
0.54mm |
硬度600HV时 |
压痕直径 |
0.54mm |
0.54mm |
0.32mm |
0.90mm |
0.54mm |
硬度800HV时 |
压痕直径 |
0.35mm |
0.35mm |
0.35mm |
-- |
0.35mm |
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 |
D+15型测量沟槽或凹入的表面 |
C型测量小轻薄部件及表面硬化层 |
G型测量大厚重及表面较粗糙的铸锻件 |
E型测量硬度极高材料 |
里氏硬度计冲击装置测试范围表
材料 |
硬度制 |
里氏硬度计冲击装置 |
|||||
D/DC |
D+15 |
C |
G |
E |
DL |
||
Steel and cast steel |
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 |
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 |
HRB |
46.5~101.7 |
|
|
|
|
|
HB |
85~655 |
|
|
|
|
|
|
HV |
85~802 |
|
|
|
|
|
|
GC. IRON |
HRC |
|
|
|
|
|
|
HB |
93~334 |
|
|
92~326 |
|
|
|
HV |
|
|
|
|
|
|
|
NC、IRON |
HRC |
|
|
|
|
|
|
HB |
131~387 |
|
|
127~364 |
|
|
|
HV |
|
|
|
|
|
|
|
C.ALUM |
HB |
19~164 |
|
23~210 |
32~168 |
|
|
HRB |
23.8~84.6 |
|
22.7~85.0 |
23.8~85.5 |
|
|
|
BRASS |
HB |
40~173 |
|
|
|
|
|
里氏硬度计冲击装置
里氏硬度计冲击装置