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 Rockwell hardness test blocks
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  • Uniformity conforms to ILAC, CNAS standard

    Accurate hardness range

    Better uniformity.

    Hardness block sizes: 60x10

     

  • Roclwell scale

    Hardness range

    HRA

    20-40

    45-75

    80-88

    HRB

    20-50 (Aluminum)

    60-80

    85-100

    HRC

    20-30

    35-55

    60-70

    HRD

    40-47

    55-63

    70-77

    HRE

    58-69 (Aluminum)

    70-95 (Aluminum)

    95-100

    HRF

    60-75 (Aluminum)

    80-95

    95-110

    HRG

    30-50

    55-75

    80-94

    HRH

    80-94 (Aluminum)

    96-100 (Aluminum)

    HRK

    40-60 (Aluminum)

    65-80

    85-100

    HRL

    100-120 (Aluminum)

    HRM

    85-110  (Aluminum)

    HRR

    114-125 (Aluminum)

  • Uniformity conforms to ILAC, CNAS standard

    Accurate hardness range

    Better uniformity.

    Hardness block sizes: 60x10

 
 
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