Massive Selection for Automatic Brinell Hardness Tester - The Impact Device of Hardness Tester – TMTeck
Massive Selection for Automatic Brinell Hardness Tester - The Impact Device of Hardness Tester – TMTeck Detail:
The Impact Device of Hardness Tester

Different Types of Impact Device
|
Material |
Hardness method |
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 |
||
|
Hammered steel |
HB |
143~650 |
|||||
|
Cold work tool steel |
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 |
||||||
|
Gray cast iron |
HRC |
||||||
|
HB |
93~334 |
92~326 |
|||||
|
HV |
|||||||
|
Nodular cast iron |
HRC |
||||||
|
HB |
131~387 |
127~364 |
|||||
|
HV |
|||||||
|
Cast aluminum alloys |
HB |
19~164 |
23~210 |
32~168 |
|||
|
HRB |
23.8~84.6 |
22.7~85.0 |
23.8~85.5 |
||||
|
Brass(copper-zinc alloys) |
HB |
40~173 |
|||||
|
HRB |
13.5~95.3 |
||||||
|
Bronze (copper-aluminum/copper-tin alloys) |
HB |
60~290 |
|||||
|
Wrought copper alloys |
HB |
45~315 |
|||||
|
Non conventional impact devices |
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 Diameter of 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 workpiece |
940HV |
940HV |
1000HV |
650HB |
1200HV |
|
|
Mean roughness of workpiece surface of the 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 harden |
5mm
≥0.8mm |
5mm
≥0.8mm |
1mm
≥0.2mm |
10mm
≥1.2mm |
5mm
≥0.8mm |
|
|
Size of tip indentation |
||||||
|
Hardness 300HV |
Indentation diameter |
0.54mm |
0.54mm |
0.38mm |
1.03mm |
0.54mm |
|
Indentation depth |
24μm |
24μm |
12μm |
53μm |
24μm |
|
|
Hardness 600HV |
Indentation diameter |
0.54mm |
0.54mm |
0.32mm |
0.90mm |
0.54mm |
|
Indentation depth |
17μm |
17μm |
8μm |
41μm |
17μm |
|
|
Hardness 800HV |
Indentation diameter |
0.35mm |
0.35mm |
0.35mm |
– |
0.35mm |
|
Indentation depth |
10μm |
10μm |
7μm |
– |
10μm |
|
|
Available type of impact device |
D: General test
DC: Hole or hollow-cylindrical test
DL: Slender narrow groove or hole test
|
D+15: groove or reentrant surface |
C: small, light, thin parts or surface of hardend layer |
G: large, thick, heavy or rough surface steel |
E: super high hardness material |
|
|
Type of Impact Device |
Distance of center of the two indentations |
Distance of center of the indentation to sample edge |
|
Not less than (mm) |
Not less than (mm) |
|
|
D、DC |
3 |
5 |
|
DL |
3 |
5 |
|
D+15 |
3 |
5 |
|
G |
4 |
8 |
|
E |
3 |
5 |
|
C |
2 |
4 |
Product detail pictures:
Related Product Guide:
We not only will try our best to offer excellent services to every customer, but also are ready to receive any suggestion offered by our customers for Massive Selection for Automatic Brinell Hardness Tester - The Impact Device of Hardness Tester – TMTeck , The product will supply to all over the world, such as: Jakarta, Uruguay, Mombasa, Abiding by our motto of "Hold well the quality and services, Customers Satisfaction", So we provide our clients with high quality products and excellent service. Please feel free to contact us for further information.
Staff is skilled, well-equipped, process is specification, products meet the requirements and delivery is guaranteed, a best partner!




