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ROCKWELL - Hardness Block



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ROCKWELL - Hardness Block
Brand : Rockwell
Model : HRC - Series



Product Description :

A Rockwell hardness test block is a standardized metal reference piece (steel, brass, or aluminium) used to calibrate and verify the accuracy of Rockell hardness testers. These high-precision, NIST-traceable blocks ensure consistent measurements across various Rockwell scales (HRC, HRB, etc.) by providing a known, certified reference value.


Descriptions : 
Part Number Nominal Range Values Material Certification Optimal Grid(mm) 9100-489 CAL SET >  
9203-101 13 HRC
LOW
10-22.5 BRASS ASTM
ISO
JIS
2.0    
9203-111 25 HRC
LOW
22.5-27.5 BRASS ASTM
ISO
JIS
2.0 LOW  
9203-121 30 HRC
LOW
27.5-32.5 BRASS ASTM
ISO
JIS
2.0    
9203-131 35 HRC
LOW
32.5-37.5 BRASS ASTM
ISO
JIS
2.0    
9203-141 40 HRC
MID
37.5-42.5 BRASS ASTM
ISO
JIS
2.0    
9203-151 45 HRC
MID
42.5-47.5 STEEL ASTM
ISO
JIS
2.0 MID  
9203-161 50 HRC
MID
47.5-52.5 STEEL ASTM
ISO
JIS
2.0    
9203-171 55 HRC
MID
52.5-57.5 STEEL ASTM
ISO
JIS
2.0    
9203-181 60 HRC
HIGH
57.5-62.1 STEEL ASTM
ISO
JIS
2.0    
9203-191 63 HRC
HIGH
62.1-64.6 STEEL ASTM
ISO
JIS
2.0 HIGH  
9203-201 65 HRC
HIGH
64.6-68 STEEL ASTM
ISO
JIS
2.0    
9203-211 70 HRC
HIGH
68-75 STEEl ASTM
ISO
JIS
2.0  


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