Rockwell Test Blocks (Regular scales)

Features

  • Tested as per ISO 6508-1, IS 1586 (Part 1) and/or ASTM E18
  • Tested at Fmi Testing Laboratory, 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
  • LASER marking on the surface of hardness value, Serial number and company logo
  • Optional hexagonal LASER grid marking
  • Available in shapes: Φ50 mm and Φ64 mm
  • Recommended key usage: Periodic/daily intermediate checks as a secondary reference block.

Available hardness scales and ranges as below

Standard Rockwell Test Blocks

Scale 

Hardness Range 

Material / Size

HRA

20-40

 

Aluminium / Dia 64 mm

40-60, 60-70, 70-80, 80-90

Steel/ dia 50 or 64 mm

HRBW

10-50, 50-60

Aluminium / Dia 64 mm

60-80, 85-100

Steel/ dia 50 or 64 mm

HRC

20-30, 30-40, 40-50, 50-60, 60-70

Steel / dia 50 & 64 mm 

 

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