HUATEC GROUP CORPORATION
HUATEC GROUP CORPORATION Professional Non Destructive Testing Equipment
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All kinds of durometer probe impact body portable hardness tester
Main Application and Testing Range
Main Application
The assembled machinery and permanently installed parts
Die cavity of molds
Heavy work piece
Failure analysis of pressure vessel, steam turbo-generator set and other equipment
Narrow testing space where work piece installed
Bearings and other parts
Cases which require the test result with normalized original recording
Material Identification of the Metal Material Warehouse
Quick tests of large range and multipoint measuring positions for heavy performance
Testing Range
Testing range see table 1 and table 2.
Table 1
| 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 | |||||
Table 2
| 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 | |