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Hardness Testing

EXTEC ® Calibration Test Blocks

EXTEC Rockwell Calibration Test Blocks meet the ASTM E18 standard and conform to A2LA and NVLAP specifications and HRC Test Blocks are traceable to NIST.

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Organize Products By:
Catalog # Unit Type Hardness Load Description  
11731
Each Vickers 100.000 5 kg HV
11732
Each Vickers 200.000 5 kg HV
11733
Each Vickers 300.000 5 kg HV
11734
Each Vickers 400.000 5 kg HV
11735
Each Vickers 500.000 5 kg HV
11736
Each Vickers 600.000 5 kg HV
11741
Each Rockwell 65.000   HRC
11742
Each Rockwell 63.000   HRC
11743
Each Rockwell 55.000   HRC
11744
Each Rockwell 50.000   HRC
11745
Each Rockwell 45.000   HRC
11746
Each Rockwell 40.000   HRC
11747
Each Rockwell 35.000   HRC
11748
Each Rockwell 30.000   HRC
11749
Each Rockwell 25.000   HRC
11750
Each Rockwell 95.000   HRBW
11751
Each Rockwell 85.000   HRBW
11752
Each Rockwell 70.000   HRBW
11753
Each Rockwell 60.000   HRBW
11754
Each Rockwell 50.000   HRBW
11755
Each Rockwell 40.000   HRBW
11756
Each Rockwell 30.000   HRBW
11757
Each Rockwell 20.000   HRBW
11758
Each Rockwell 10.000   HRBW
11759
Each Rockwell 85.000   HRA
11760
Each Rockwell 83.000   HRA
11761
Each Rockwell 73.000   HRA
11762
Each Rockwell 60.000   HRA
11763
Each Rockwell 90.000   HREW
11764
Each Rockwell 80.000   HREW
11765
Each Rockwell 70.000   HREW
11766
Each Rockwell 60.000   HREW
11767
Each Rockwell 50.000   HREW
11768
Each Rockwell 90.000   HR15N
11769
Each Rockwell 91.000   HR15N
11770
Each Rockwell 83.000   HR15N
11771
Each Rockwell 71.000   HR15N
11772
Each Rockwell 83.000   HR15TW
11773
Each Rockwell 80.000   HR15TW
11774
Each Rockwell 45.000   HR15TW
11775
Each Rockwell 91.000   HR15TW
11776
Each Rockwell 88.000   HR15TW
11777
Each Rockwell 86.000   HR15TW
11778
Each Rockwell 84.000   HR15TW
11779
Each Rockwell 80.000   HR15TW
11780
Each Rockwell 73.000   HR15TW
11781
Each Rockwell 79.000   HR15TW
11782
Each Rockwell 73.000   HR15TW
11783
Each Rockwell 69.000   HR15TW
11784
Each Rockwell 65.000   HR15TW
11785
Each Rockwell 60.000   HRFW
11786
Each Rockwell 50.000   HR30TW
11787
Each Rockwell 43.000   HR30TW
11788
Each Rockwell 80.000   HRFW
11789
Each Rockwell 54.000   HR45TW
Key:
  • * New
  • * Special Packaging
Pricing found on www.extec.com is U.S. only.