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HARDNESS SCALE CONVERSION TABLE

Approximate Equivalents of Rockwell C Hardness Numbers
for Hard Materials
VICKERS
DPH
ROCKWELLBRINELL
BHN
SCLERO-
SCOPE
U.T.S.
HV/10ACD15-N30-N45-N3000kg KpsiMPa
1865928087979287    
1787927986969287    
1710917885969186    
1633917784969185    
1556907683969084    
1478907583958983    
1400897482958982    
1323897381958881    
1245887280958780    
1160877180948779    
1076877079948678 101  
1004866978948577 99  
940866877938475 97  
900856776938474 95  
865856675938373 92  
83284657592827273991  
80084647492817172288  
77283637391807070587  
74683627291796968885  
72082617291796867083  
697816071907867654813202206
674815970907766634803102137
653805869897664615783002068
633805769897563595762901999
613795668887462577752821944
595795567887361560742741889
577785466877260543722661834
560785365877159523712571772
544775265867057512692451689
528775164866956496682391648
513765063866955481672331606
498754962856854469662271565
484754861856753455642211524
471744761846651443632171496
458744660846550432622121462
446734559836449421602061420
434734459836348409582001379
423724358826247400571961351
412724257826146390561911317
402714156816044381551871289
392714055806043371541821255
382703955805942362521771220
372703854795841353511731193
363693753795740344501691165
354693652785638336491651138
345683552785537327481601103
336683451775436319471561076
327673350775335311461521048
318673249765234301441471014
31066314876513329443144993
30266304875503128642140965
29465294775503027941137945
28665284674492927141133917
27964274573482826440129889
27264264573472725839126869
26663254472462625338124855
26063244372452424737121834
25462234271442324036118814
24862224271432223435115793
24361214170422122835112772
23861204069422022234109752
HV/10ACD15-N30-N45-N3000kg KpsiMPa
VICKERS
DPH
ROCKWELLBRINELL
BHN
SCLERO-
SCOPE
U.T.S.
Approximate Equivalents of Rockwell C Hardness Numbers for Hard Materials

Hardness Conversion or Equivalents:

Hardness conversion between different methods and scales cannot be made mathematically exact for a wide range of materials. Different loads, different shape of indenters, homogeneity of specimen, cold working properties and elastic properties all complicate the problem. All tables and charts should be considered as giving approximate equivalents, particularly when converting to a method or scale which is not physically possible for the particular test material and thus cannot be verified. An example would be converting HV/10 or HR-15N value on a thin coating to the HRC equivalent.





Links To:

Hardness Testing

Rockwell Hardness Test

Rockwell Superficial Hardness Test

Brinell Hardness Test

Vickers Hardness Test

Microhardness Test

Mohs Hardness Test

Scleroscope and other hardness testing methods


Hardness Conversion Tables and Charts:

Hardness Conversion Table(colour version - may take time to load)

Hardness Conversion Table(non-colour version)

Hardness Conversion Chart (1)

Hardness Conversion Chart (2)

Chart of Brinell, Vickers and Ultimate Tensile Strength Equivalents (1)

Chart of Brinell, Vickers andUltimate Tensile Strength Equivalents (2)

Hardness Conversion Table related to Rockwell C Hardness Scale (hard materials) (colour)

Hardness Conversion Table related to Rockwell C Hardness Scale (hard materials) (non-colour)

Hardness Conversion Chart related to Rockwell C Hardness Scales (hard materials)

Estimated Hardness Equivalent Chart related to Rockwell C and Vickers (hard materials)

Hardness Conversion Table related to Rockwell B Hardness Scale (soft metals) (colour)

Hardness Conversion Table related to Rockwell B Hardness Scale (soft metals) (non-colour)

Hardness Conversion Chart related to Rockwell B Hardness Scale (soft metals)

Table of Minimum Test Piece Thickness for Rockwell Hardness Testing using Ball Indenters

Table of Minimum Test Piece Thickness for Rockwell Hardness Testing using Diamond Indenters

HV, MPa and GPa Conversion Calculator

Surface Engineering Forum





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