Impact Devices For Hardness Tester
Brand Name:Pride
Model Number:D/DC
Minimum Order Quantity:1pc
Delivery Time:20-25 days
Payment Terms:T/T, Western Union, MoneyGram,Paypal,Payonner
Place of Origin:China
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Location:
Shenzhen Guangdong China
Address:
BLOCK B 4TH FLOOR BUILDING B HAOYE LOGISTICS ZONE SHUGANG TONGDAO XIXIANG JIEDAO BAO AN DISTRICT SHENZHEN CHINA 518126
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Impact Devices For Hardness Tester
Impact device D: Universal device for most hardness requirements
Impact device DC: Ultra-short version; manually loaded on the front; same characteristics as type D; for testing in boreholes,built-in parts, hollow cylindrical parts, etc.; max. 940 HV
Impact device DL: With extremely long and fine front piece only for steel and cast steel; for testing in narrow or hard to reach areas; max. 950 HV
Impact device D+15: The front part is narrow and the coil is located behind it; same characteristics as type D; only for steel;for hardness testing in slots, grooves, recessed areas, gear flanks,grooves, cavities, tooth flanks, etc.; max. 940 HV
Impact device C: Reduced impact energy of about 1/4 of type D; for tempered or surface treated steel, small or sensitive-to-shock parts (minimal imprint is left); max. 1000 HV
Impact device G: With large test-tip diameter; impact energy 9 times larger than type D; on steel, gray or nodular cast iron; for large cast parts and forgings or parts with high surface roughness;max. 650 HB (only in Brinell)
Impact device E: With a synthetic diamond test tip of approx.5000 HV; for very hard materials (above 50 HRC / 650 HV) such as carbide, barrels, etc.; max. 1200 HV
| Material | Method | 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 | |||||
| Available type of 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:
| 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 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 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 |
Impact Devices For Hardness Tester
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