B-7/12, M.I.D.C. Area, Miraj, Maharashtra 416410, India
response@finemanufacturing.com
Knoop Test Blocks
  • Calibrated as per As per IS 6885-3:2020, ISO 4545-3:2017 & ASTM E-92:2023, ASTM E-384:2022
  • Calibrated at Fine (Mirashi) calibration and testing Laboratories LLP, NABL accredited (ISO/IEC 17025:2017)
  • Specially curated high-quality steel, aluminium and brass material
  • Specially designed heat treatment and cryogenic treatment to achieve maximum long term hardness stability, consistency and repeatability
  • Mirror surface finish by grinding, lapping and diamond polishing
  • Calibration traceability: Vickers test blocks are calibrated using a standardising hardness testing machine which is directly and indirectly calibrated as per the requirements of As per IS 6885-3:2020, ISO 4545-3:2017 & ASTM E-92:2023, ASTM E-384:2022 using instruments traceable to SI system of units realised at NPL-India, NPL-UK, IMGC, NIST or PTB either directly or through NABL/UKAS/NVLAP/A2LA/DAkkS accredited laboratories.
  • LASER marking on the surface of hardness value, Serial number, lab logo and reference indent location.
  • Available in shapes: Φ36
  • Recommended key usage: Perform Indirect verification/calibration of hardness testers as per As per IS 6885-3:2020, ISO 4545-3:2017 & ASTM E-92:2023, ASTM E-384:2022, periodic quality control checks/intermediate checks, daily verifications, etc.
  • Available hardness scales and ranges as below

    Standard Low Load / Micro Vickers Test Blocks
    Scale Hardness Range Material / Size
    KNOOP HK 0.2, HK 0.5 80–120, 120–200, 200–300, 300–400, 400–500, 500–600, 600–700, 700–850 Steel / Dia 36 mm