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11mj Impact Device Dl Surface Hardened Layers Gear Portable Digital Hardness Tester
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x商品の詳細
| 材料 | メタル | 色 | シルバー |
|---|---|---|---|
| 鉄鋼と鋳鋼 | 17.9 ◎68.5HRC | 影響エネルギー | 11mJ |
| 名前 | 衝撃装置 DL | ボール先径 | 3mm |
| 球頭材料 | ワルフタンカルビッド | 衝撃装置の直径 | 20mm |
| 衝撃分長 | 75mm | Ra 作業部品の要求 | 1.6μm |
| 工材の硬さ最大 | 940HV | ||
| ハイライト | 11mj portable digital hardness tester,HUATEC portable digital hardness tester,HUATEC digital hardness tester |
||
製品の説明
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
Roller industry (cast steel roll, forged steel roll, cast iron roll)
It is especially suitable for on-site hardness test of large parts and non-detachable parts
Mold cavity
Heavy-duty workpiece
Failure analysis of pressure vessel, turbine generator set and its equipment
Workpieces with very narrow experimental space
Bearings and other parts
Material division of metal material warehouse
Rapid detection of large workpieces in a wide range of multiple measuring parts
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 |
|
|
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|
|
Grey cast iron
|
HRC |
|
|
|
|
|
|
|
HB |
93～334 |
|
|
92～326 |
|
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|
HV |
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|
|
|
|
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|
|
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 |
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|
|
|
|
|
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 |
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