Gordon England Surface Engineering Forum



HARDNESS SCALE CONVERSION TABLE

Approximate Equivalents of Hardness Scales for Soft Metals

VICKERS
DPH
ROCKWELLBRINELL
BHN
HV/10BEFGHK15-T30-T45-T500kg3000kg
254100  83  938272201240
24899  81  938271195234
24398  79  938170189228
23897  78  928169184222
23497  77  928069181218
23096  76  928068179214
22696  75  928068177210
22295  74  927967175208
21795  73  927967171205
21394  73  917966169203
20893  71  917866167200
20492  70 100917865163195
20092  69 100917764162193
19691  68 100907764160190
19290  66 99907663157185
18889  64 98907662154180
18488  63 97907561151176
18087  61 97897560148172
17686  59 96897459145169
17285  58 95897458142165
16884  56 94887357140162
16483  54 93887256137159
16082  53 92887255135156
15681  51 91877154133153
15280  49 91877053130150
14879  48 90877052128147
14478  46 89866951126144
14177  44 88866850124141
13976  43 87866849122139
13775 10041 86856749120137
13574 9939 85856648118135
13273 9938 85856647116132
13072 9836 84846546114130
127711009835 83846445112127
125701009733 82846444110125
12369999631 81836343109123
12068989630 80836242107121
11867989528 79836241106119
11666979527 78826140104117
11565969425 78826039102116
11464969424 77826038101114
11363959322 7681593799112
11262959221 7581583698110
11161949219 7481573596108
11060939118 7381573495107
10859939116 7280563294106
10758929015 7180553192104
10657919013 7180553091102
10556918912 7079542990101
10455908810 697953288999
1035490889 6879532787 
1025389877 6778522686 
1015288876 6678512585 
1005188864 6578512484 
1005087863 6577502383 
99498785  6477492282 
98488685  6377492181 
97478584  6276482080 
96468583  6176471979 
95458483  6076461879 
95448482  5975461778 
94438382  5875451677 
93428281  5875441576 
92418281  5774441475 
91408180  5674431374 
90398079  5574421174 
90388079  5473421073 
89377978  537341972 
88367978 100527340871 
88357877 100527240771 
87347777 99517239670 
87337776 99507238569 
86327675 99497138468 
86317675 98487137368 
85307574 98477136267 
85297474 98467036166 
84287473 97457035 66 
84277373 97457034 65 
83267372 97446933 65 
83257271 96426933 64 
82247171 96426932 64 
82237170 96416831 63 
81227070 95406831 63 
81217069 95396830 62 
80206969 95386829 62 
80196868 94386729 61 
79186867 94376728 61 
79176767 93366727 60 
78166766 93356626 60 
78156666 93346626 59 
77146565 92336625 59 
77136565 92326524 58 
76126464 92326524 58 
76116464 91316523 57 
75106363 91306422 57 
7596262 91296422 56 
7486262 90286421 56 
7476161 90276320 56 
7366161 90266320 55 
7356060 89266319 55 
7245960 89256218 55 
7235959 88246217 54 
7125858 88236217 54 
7115858 88226116 53 
7005757 87216115 53 
HV/10BEFGHK15-T30-T45-T500kg3000kg
VICKERS
DPH
ROCKWELLBRINELL
BHN
Approximate Equivalents of Rockwell B Hardness Numbers for Soft Metals

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

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