OEM/ODM Factory Dynamic Hardness Tester - The Impact Device of Hardness Tester – TMTeck
OEM/ODM Factory Dynamic 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 |
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D/DC |
D+15 |
C |
G |
E |
DL |
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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 |
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HRA |
59.1~85.8 |
61.7~88.0 |
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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 |
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Hammered steel |
HB |
143~650 |
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Cold work tool steel |
HRC |
20.4~67.1 |
19.8~68.2 |
20.7~68.2 |
22.6~70.2 |
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HV |
80~898 |
80~935 |
100~941 |
82~1009 |
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Stainless steel |
HRB |
46.5~101.7 |
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HB |
85~655 |
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HV |
85~802 |
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Gray cast iron |
HRC |
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HB |
93~334 |
92~326 |
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HV |
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Nodular cast iron |
HRC |
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HB |
131~387 |
127~364 |
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HV |
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Cast aluminum alloys |
HB |
19~164 |
23~210 |
32~168 |
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HRB |
23.8~84.6 |
22.7~85.0 |
23.8~85.5 |
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Brass(copper-zinc alloys) |
HB |
40~173 |
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HRB |
13.5~95.3 |
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Bronze (copper-aluminum/copper-tin alloys) |
HB |
60~290 |
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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 tipMaterial 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 |
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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 keep on with the theory of "quality first, provider initially, constant improvement and innovation to meet the customers" with the management and "zero defect, zero complaints" as the standard objective. To great our company, we deliver the merchandise using the fantastic excellent at the reasonable price for OEM/ODM Factory Dynamic Hardness Tester - The Impact Device of Hardness Tester – TMTeck , The product will supply to all over the world, such as: Lyon, Slovenia, Japan, For many years, we have adhered to the principle of customer oriented, quality based, excellence pursuing, mutual benefit sharing. We hope, with great sincerity and good will, to have the honor to help with your further market.
By Melissa from Honduras - 2018.12.30 10:21
The accounts manager made a detailed introduction about the product, so that we have a comprehensive understanding of the product, and ultimately we decided to cooperate.
By Amy from Gabon - 2018.06.21 17:11