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Economical Leeb hardness Tester MH180
Hardness Test methods: Leeb(HL), Brinell(HB), Rockwell B(HRB), Rockwell C(HRC), Rockwell A(HRA), Vickers(HV), Shore(HS)
·Relative Humidity≤90 ％
·Avoid strong shaking, magnetism and corrosive medium and serious dust.
·Standard Configuration
|
NO. |
ITEM |
QUANTITY |
|
1 |
MH180 |
1 |
|
2 |
Standard test block |
1 |
|
3 |
D type impact device |
1 |
|
4 |
Nylon Brush A |
1 |
|
5 |
Small Supporting Ring |
1 |
|
6 |
AA Alkaline battery |
4 |
|
7 |
Manual |
1 |
|
8 |
ABS Instrument package case |
1 |
|
NO. |
Item |
Quantity |
|
1 |
Other type of impact device |
7 |
|
2 |
Other type of support ring |
12 |
|
3 |
Impact tip |
2 |
|
4 |
Impact tip change tool |
1 |
|
5 |
Mini printer |
1 |
|
6 |
Print cable |
Measure range
|
Material |
Hardness test methods |
Impact device | |||||
|
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 |
HB |
143 ～ 650 |
|||||
|
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 |
|||||
|
HRB |
13.5 ～ 95.3 |
||||||
|
BRONZE |
HB |
60 ～ 290 |
|||||
|
COPPER |
HB |
45 ～ 315 |
|||||
Specification of Other type of impact device
|
Other type of impact device |
DC(D)/DL |
D+15 |
C |
G |
E | ||||
|
Impacting energy Mass of impact body |
11mJ 5.5g/7.2g |
11mJ 7.8g |
2.7mJ 3.0g |
90mJ 20.0g |
11mJ 5.5g | ||||
|
Test tip hardness: Dia. Test tip: Material of test tip: |
1600HV 3mm Tungsten carbide |
1600HV 3mm Tungsten carbide |
1600HV 3mm Tungsten carbide |
1600HV 5mm Tungsten carbide |
5000HV 3mm synthetic diamond | ||||
|
Impact device diameter: Impact device length: Impact device weight: |
20mm 86(147)/ 75mm 50g |
20mm 162mm 80g |
20mm 141mm 75g |
30mm 254mm 250g |
20mm 155mm 80g | ||||
|
Max. hardness of sample |
940HV |
940HV |
1000HV |
650HB |
1200HV |
1200HV | |||
|
1200HV |
Mean roughness value of sample surface Ra:
1.6μm
1.6μm
0.4μm
6.3μm
1.6μm
Min. weight of sample:
Measure directly
Need support firmly
Need coupling tightly
>5kg
2 ～ 5kg
0.05 ～ 2kg
>5kg
2 ～ 5kg
0.05 ～ 2kg
>1.5kg
0.5 ～ 1.5kg
0.02 ～ 0.5kg
>15kg
5 ～ 15kg
0.5 ～ 5kg
>5kg
2 ～ 5kg
0.05 ～ 2kg
Min. thickness of sample Coupling tightly
Min. layer thickness for surface hardening
5mm
≥0.8mm
5mm
≥0.8mm
1mm
≥0.2mm
10mm
≥1.2mm
5mm
≥0.8mm
Size of tip indentation
Hardness
300HV
Indentation diameter
Depth of indentation
0.54mm
24μm
0.54mm
24μm
0.38mm
12μm
1.03mm
53μm
0.54mm
24μm
Hardness
600HV
Indentation diameter
Depth of indentation
0.54mm
17μm
0.54mm
17μm
0.32mm
8μm
0.90mm
41μm
0.54mm
17μm
Hardness
800HV
Indentation diameter
Depth of indentation
0.35mm
10μm
0.35mm
10μm
0.35mm
7μm
--
--
0.35mm
10μm
Available type of impact device
DC: Test hole or hollow cylindrical; DL: Test slender narrow groove or hole
D+15: Test groove or reentrant surface
C: Test small, light, thin parts and surface of hardened layer
G: Test large, thick, heavy and rough surface steel
E: Test super high hardness material
