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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 |