Wilson Vickers Knoop Hardness Test Blocks


Wilson Knoop and Vickers hardness test blocks set the standard for the industry and are made from the highest quality material to insure the most uniform and repeatable blocks available. A comprehensive variety of scales and test blocks are available to meet the wide ranges and hardness scales associated with Rockwell®, Brinell, Knoop and Vickers testing. All Wilson Vickers and Knoop test blocks are calibrated in the Wilson Hardness Calibration Laboratory in Binghamton, NY. The Wilson lab is accredited to ISO/IEC 17025 by A2LA and the testers used in the calibration process undergo a stringent monitoring process using NIST traceable devices.

100% inspection to ensure that every single Knoop and Vickers test block meets the physical requirements of ASTM (thickness, flatness, parallelism, surface roughness).

  • We work directly with the steel and brass mills to specify the chemical composition
  • Our machining processes (grinding, lapping, polishing) are all done in house, at the site of calibration.
  • 100% inspection to ensure that every single test block meets the physical requirements of ASTM (thickness, flatness, parallelism, surface roughness)
  • Wilson Vickers Knoop Hardness Test Blocks Specifications
    MICRO-VICKERS AND KNOOP blocks to ASTM & ISO
    Block size: 32mm x 16mm
    Block weight: ±0.44lbs (±0.2kg)
    Certification: According to ASTM E384 & ASTM E92 & ISO 6507-3 & 4545-3
    Vickers Macro Indentation
    Block size: Ø 2.4 in x 0.35 in (Ø 60mm x 9mm)
    Block weight: ±0.66 lbs (± 0.3kg)
    Certification: According to ASTM E384 & ISO 6507-3
    The Buehler-Wilson Hardness Calibration Laboratory is accredited to ISO / IEC 17025 by A2LA

    Wilson Vickers-Knoop Test Blocks
    According to ISO 6507 & ASTEM E92 & ISO 4545
    Vickers Test Blocks
    HV0.1
    Part Number Nominal Hardness Value Range
    93-001-200 200 HV 175-224
    93-001-425 425 HV 400-450
    93-001-515 515 HV 490-540
    93-001-775 775 HV 750-800
     
    HV0.2
    93-002-200 200 HV 175-224
    93-002-425 425 HV 400-450
    93-002-515 515 HV 490-540
    93-002-775 775 HV 750-800
     
    HV0.3
    93-003-200 200 HV 175-224
    93-003-310 310 HV 285-335
    93-003-425 425 HV 400-450
    93-003-515 515 HV 490-540
    93-003-700 700 HV 675-725
    93-003-775 775 HV 750-800
    93-003-830 830 HV 805-855
     
    HV0.5
    93-005-200 200 HV 175-224
    93-005-310 310 HV 285-335
    93-005-425 425 HV 400-450
    93-005-515 515 HV 490-540
    93-005-700 700 HV 675-725
    93-005-775 775 HV 750-800
    93-005-830 830 HV 805-855
     
    HV1
    93-010-200 200 HV 175-224
    93-010-310 310 HV 285-335
    93-010-450 425 HV 400-450
    93-010-515 515 HV 490-540
    93-010-700 700 HV 675-725
    93-010-775 775 HV 750-800
    93-010-830 830 HV 805-855
     
    HV5
    93-050-200 200 HV 175-224
    93-050-310 310 HV 285-335
    93-050-450 425 HV 400-450
    93-050-515 515 HV 490-540
    93-050-700 700 HV 675-725
    93-050-775 775 HV 750-800
    93-050-830 830 HV 805-855
     
    HV10
    93-100-200 200 HV 175-224
    93-100-310 310 HV 285-335
    93-100-450 425 HV 400-450
    93-100-515 515 HV 490-540
    93-100-700 700 HV 675-725
    93-100-775 775 HV 750-800
    93-100-830 830 HV 805-855
     
    HV20
    93-200-200 200 HV 175-224
    93-200-310 310 HV 285-335
    93-200-450 425 HV 400-450
    93-200-515 515 HV 490-540
    93-200-700 700 HV 675-725
    93-200-775 775 HV 750-800
    93-200-830 830 HV 805-855
     
    HV30
    93-300-200 200 HV 175-224
    93-300-310 310 HV 285-335
    93-300-450 425 HV 400-450
    93-300-515 515 HV 490-540
    93-300-700 700 HV 675-725
    93-300-775 775 HV 750-800
    93-300-830 830 HV 805-855
     
    Knoop Test Blocks
    HK0.5
    Part Number Nominal Hardness Value Range
    94-005-225 225 HK 200-250
    94-005-315 315 HK 290-340
    94-005-440 440 HK 415-465
    94-005-540 540 HK 515-565
    94-005-630 630 HK 605-655
    94-005-730 730 HK 705-755
    94-005-850 850 HK 825-875
     
    Special Order
    Part Number Description
    93-000-001* Vickers Microindentation (10gf-500gf)
    93-000002* Vickers Macroindentation (1kgf-50kgf)
    94-000-001* Knoop Microindentation (10gf-500gf)
    93-000-012* 2 Vickers-Knoop Calibrations
    93-000-013* 3 Vickers-Knoop Calibrations
    93-000-014* 4 Vickers-Knoop Calibrations
    *Specify hardness and load force for calibration
    *Specify additional load force for calibration

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