LEEB G Hardness Gauge Impact device, gray cast iron/nodular cast iron Hardness measurement
LEEB Type G Hardness Gauge Impact units are Optional for Leeb120 and Leeb140 Leeb Hardness Testers for the measurement of gray cast iron/nodular cast iron Hardness.
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G type impact device introduction
Leeb G-type Hardness Tester impact device The impact device is an optional accessory for Leeb120 and Leeb140 Leeb Hardness Testers, and is used to measure the hardness of gray cast iron/nodular cast iron.
Product testing range
| Material | Hardness system | Impact device | |||
| D/DC | C | G | DL | ||
| steel and cast steel | HRC | 17.1~68.5 | 20.0~69.5 | 20.6~68.2 | |
| HRB | 59.6~99.6 | 47.7~99.9 | 37.0~99.9 | ||
| HB | 140~651 | 80~683 | 90~646 | 150~646 | |
| HV | 83~976 | 80~996 | 85~950 | ||
| HS | 26.4~99.5 | 31.9~102.3 | 26.5~99.4 | ||
| forged steel | HB | 142~651 | |||
| alloy tool steel | HRC | 17.1~67.1 | 20.0~69.5 | ||
| HV | 83~976 | 80~996 | |||
| Stainless steel | HRB | 59.6~99.6 | |||
| HB | 140~651 | ||||
| HV | 83~976 | ||||
| grey cast iron | 140~334 | 92~326 | |||
| Ductile Iron | HB | 140~387 | 140~364 | ||
| cast aluminum alloy | HB | 30~159 | |||
| copper zinc alloy | HB | 40~173 | |||
| Copper-tin alloy (bronze) | HB | 60~290 | |||
| pure copper | HB | 45~315 | |||
Pictures


Leeb G type Impact device (Hardness Gauge)Specifications
| LIST | VALUE |
|---|---|
| Impact energy | 90mJ |
| Impact device Mass | 20.0g |
| Ball Hardness | 1600HV |
| Ball head diameter | 5mm |
| Ball head material | tungsten carbide |
| Impact device diameter | 30mm |
| Impact device length | 254mm |
| Impact device Mass | 250g |
| Maximum Specimen Hardness | 650HB |
| Specimen Surface Roughness | 6.3µm |
| Minimum specimen Weight | >15kg |
| Need stable support | 5~15kg |
| Dense coupling is required | 0.5~5kg |
| Minimum test Film thickness | 10mm |
| Minimum depth of hardened layer | ≥1.2mm |
| Hardness 300HV Indentation Diameter | 1.03mm |
| Hardness 300HV Indentation | 53µm |
| Hardness 600HV Indentation Diameter | 0.90mm |
| Hardness 600HV Indentation | 41µm |
| Application of impact device | G-type measurement of large, heavy and rough surface castings and forgings |
Leeb G type Impact device (Hardness Gauge) Packing list
Impact device x1, Certificate x1, Manual x1, Encasement box x1
[Note] Because the manufacturer's packaging may be updated or upgraded, the detailed packaging list shall be subject to the latest standard configuration of the manufacturer.
FAQ
- ActiveDL/T 1845-2018
- ActiveGB/T 13313-2008
- ActiveGB/T 17394.1-2014
- ActiveGB/T 17394.4-2014
- ActiveGB/T 17394.3-2022
- ActiveGB/T 17394.2-2022
- AbolishGB/T 17394-1998
- AbolishGB/T 17394.3-2012
- AbolishGB/T 17394.2-2012
- ActiveJB/T 9378-2001






