Hardness blocks from QPREP

QPREP hardness blocks are a key element in quality assured hardness testing. They meet international standards and are used for indirect calibration, periodic verification and documentation of test results. The blocks are available for several methods:

Testing standards

Rockwell
DIN EN ISO 6508-3 & ASTM E18

Brinell
DIN EN ISO 6506-3 & ASTM E10

Vickers
DIN EN ISO 6507-3 & ASTM E92

Knoop
DIN EN ISO 4545-3 & ASTM E92

Advantages of QPREP hardness blocks

• DAkkS calibrated: according to current ISO and ASTM standards

• Engraved measurement deviation: clear indication of permissible deviation

• Stable perpendicular shape: ideal for automated and repeatable testing

• Easy documentation: quick data extraction to templates and reports

• Optional:

  • Engraved grids (HHVP9999)

  • Multiple calibration for multiple scales (HHVP2021)

Indenters for hardness testing

Precision manufactured – certified according to DAkkS and ASTM

QPREP’s range of indenters covers all common test methods: Brinell, Vickers, Rockwell and Knoop. No matter which method you use, we offer the right indenters – carefully calibrated and certified to meet the highest quality requirements in hardness testing.

For all standard methods

• for Brinell: carbide balls

• Vickers: high precision test diamonds

• Rockwell: diamond cones and steel balls depending on scale

• Knoop: custom cut test diamonds for micro measurements