Hardness Testing
BENCHTOP HARDNESS TESTERS
FROM
ROCKWELL
VICKERS & KNOOP
BRINELL & UNIVERSAL
HANDHELD HARDNESS TESTERS
FROM
SONODUR 3
Measuring Specifications
| Measuring principle | UCI Method, corresponds to DIN 50159, ASTM A1038 |
| Test indenter | Vickers diamond 136° |
| Test loads Newton scale (1kgf = 9.81 N) |
Motor probes: 1N (0.1 kgf), 3N (0.3kgf) and 8.6 N (0.9 kgf) Handheld Probes: 10N (1 kgf), 30N (3kgf), 49N (5kgf), 98N (10kgf), (Other test loads on request) |
| Hardness scales and range |
Vickers HV 10 – 1999 (9999) Brinell HB 76 – 618 Rockwell HRB 41 – 105 Rockwell HRC 20,3 – 68 Rockwell HRE 70 – 108,5 Rockwell HRF 82,6 – 115,1 Rockwell HRA 60,7 – 85,6 Rockwell HRD 40,3 – 76,9 (EN ISO 18265 only) Rockwell HR45N 19,9 – 75,4 Knoop HK 87 – 920 (ASTM E140 only) Shore HS 34,2 – 97,3 (nur ASTM E140) Zugfestigkeit MPa 255 – 2180 (EN ISO 18265 only) |
