Popular Design for Digital Tablet Hardness Tester - The Impact Device of Hardness Tester – TMTeck
Popular Design for Digital Tablet 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 |
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|
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 |
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|
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 continuously execute our spirit of ''Innovation bringing development, Highly-quality ensuring subsistence, Management advertising and marketing gain, Credit history attracting buyers for Popular Design for Digital Tablet Hardness Tester - The Impact Device of Hardness Tester – TMTeck , The product will supply to all over the world, such as: Myanmar, Botswana, Miami, The quality of our merchandise is equal to OEM's quality, because our core parts are the same with OEM supplier. The above items have passed professional certification, and we not only can produce OEM-standard items but we also accept Customized Merchandise order.
By Merry from St. Petersburg - 2018.02.21 12:14
Factory equipment is advanced in the industry and the product is fine workmanship, moreover the price is very cheap, value for money!
By Martin Tesch from Swansea - 2017.06.22 12:49
