Leading Manufacturer for Best Portable Hardness Tester – The Impact Device of Hardness Tester – TMTeck
Leading Manufacturer for Best Portable 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 |
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 |
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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 have many excellent staff members good at marketing, QC, and dealing with kinds of troublesome problem in the production process for Leading Manufacturer for Best Portable Hardness Tester – The Impact Device of Hardness Tester – TMTeck , The product will supply to all over the world, such as: Amman, Romania, Serbia, If you need any of our products, or have other items to be produced, please send us your inquiries, samples or detailed drawings. Meanwhile, aiming to develop into an international enterprise group, we look forward to receiving offers for joint ventures and other cooperative projects.
By Phoebe from Oman - 2018.02.08 16:45
It is really lucky to meet such a good supplier, this is our most satisfied cooperation, I think we will work again!
By Jill from Mauritania - 2017.07.07 13:00