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Brystar Tools

Rockwell 45N Scale HR45N Certified Superficial Test Block


Rockwell 45N Scale HR45N Certified Superficial Test Block

1.00 LBS
Calculated at checkout
* Required Range:

(Maximum Size: . Type: )

Product Description


45N Scale, HR45N Rockwell Test Block.

Range 25-70  

 Note: Enter the test block range that you require in the box above. Then click "Add to Cart."  If you require less than a 5 point range or other special requests, please contact us for price and availability. 

Part number: HR45N25-70

Provided with Certificate of Calibration and Conformance.

Calibration is verified with equipment that is traceable to NIST,PTB,IMGC or NPL.

The standardized test blocks are calibrated in accordance with ASTM E18 section Annex A4 using NIST Rockwell standard reference materials (SRM) 2810, 2811, and 2812. All other scales are traceable to manufacturers hardness levels through laboratory standardizing machines. The standardizing machines are directly verified according to ASTM E18 using devices that are traceable to NIST either directly or through an A2LA or NVLAP approved laboratory.

The blocks are calibrated according to ASTM E18 standards, ANSI (NCSL) Z540-1, (ISO) 10012, ISO/IEC Guide 17025 and MIL-STD 45662A by the manufacturer.


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