Active Member
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[China]
Address: fengtai district, beijing, China.
Contact name:Jason
RAYTECH NDT INSTRUMENT CO.,LTD |
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Impact Device for Portable Hardness Tester, Hardness Test
Block, Hardness Tester Accessories
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 |
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)
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
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Hardness 300HV |
Indentation diameter
Depth of indentation
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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 | |||
| Application |
DC type used to measuring hole or inside face of cylinder, DL type used to measuring elongated narrow slot or hole, D type for routine measurements.
| Suitable for measuring surface of the trench or concave. | Suitable for measuring thin workpiece and harden surface. | Suitable for heavy or rough castings and forgings. | Suitable high hardness material. | ||||
| Various type of standard testing block |  | Connecting cable | ||||||
