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단발Astm E114-15 인치 타입 1018 보정 시험 블록 탄소강 작은 이이더블유 2
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윌리엄Astm E114-15 인치 타입 1018 보정 시험 블록 탄소강 작은 이이더블유 2
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톰Astm E114-15 인치 타입 1018 보정 시험 블록 탄소강 작은 이이더블유 2
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LeoAstm E114-15 인치 타입 1018 보정 시험 블록 탄소강 작은 이이더블유 2
11mj Impact Device Dl Surface Hardened Layers Gear Portable Digital Hardness Tester

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x소재 | 금속 | 색상 | 은 |
---|---|---|---|
강철 및 주강 | 17.9~68.5HRC | 충격 에너지 | 11mJ |
이름 | 임팩트 디바이스 DL | 볼팁 직경 | 3mm |
볼팁 소재 | 텅프렌 탄화물 | 충격장치 직경 | 20mm |
충격파괴길이 | 75 밀리미터 | Ra 작업물 요청 | 1.6μm |
최대 작업물의 경도 | 940HV | ||
강조하다 | 11mj portable digital hardness tester,HUATEC portable digital hardness tester,HUATEC digital hardness tester |
11mJ Impact Device DL Surface Hardened Layers Gear Portable Digital Hardness Tester
Application:
Measure the surface hardness of metal workpiece in narrow space such as gear,narrow groove or orifice
impact device DL
Materials to be tested |
Hardness scales |
7 types Impact device |
|||||
D/DC |
D+15 |
C |
G |
E |
DL |
||
Steel and cast steel
|
HRC |
20~68.5 |
19.3~67.9 |
20.0~69.5 |
|
22.4~70.7 |
20.6~68.2 |
HRB |
38.4~99.6 |
|
|
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 |
|
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 |
|
|
|
|
|
|
Grey cast iron
|
HRC |
|
|
|
|
|
|
HB |
93~334 |
|
|
92~326 |
|
|
|
HV |
|
|
|
|
|
|
|
Nodular cast iron |
HRC |
|
|
|
|
|
|
HB |
131~387 |
|
|
127~364 |
|
|
|
HV |
|
|
|
|
|
|
|
Cast aluminium 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-aluminium/tin alloys) |
HB |
60~290 |
|
|
|
|
|
Wrought copper alloys |
HB |
45~315 |
|
|
|
|
|
Common application for each impact device |
|
DC: Test hole or hollow cylindrical
|
D+15: Test groove or reentrant surface
|
C:Test small, light, thin parts and surface of hardened layer |
G: Test large, thick, heavy and rough surface steel |
E: Test super high hardness material |
DL: Test slender narrow groove or hole |
Testing conditions requested impact device DL:
Items |
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 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 hardening |
5mm
≥0.8mm |
5mm
≥0.8mm |
1mm
≥0.2mm |
10mm
≥1.2mm |
5mm
≥0.8mm |
Size of ball tip indentation
|
||||||
Hardness 300HV |
Indentation diameter Depth of indentation |
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 |