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hardness comparison

{{Short description|Standard hardness conversion table}}

A variety of hardness-testing methods are available, including the Vickers, Brinell, Rockwell, Meyer and Leeb tests. Although it is impossible in many cases to give an exact conversion, it is possible to give an approximate material-specific comparison table for steels.

Hardness comparison table

File:Hardness comparisons (Brinell hardness).png

class="wikitable"

!Brinell HB
(10 mm Ball, 3000 kg load)!!Vickers HV
(5 kg)!!Rockwell C HRC
(120 degree cone 150 kg)!!Rockwell B HRB
(1/16" ball 100 kg)!!Leeb HLDH.Pollok, „Umwertung der Skalen“ (“Conversion of Scales”), Qualität und Zuverlässigkeit, Ausgabe 4/2008.

800|
|72|
|856
780122071|
|850
760121070|
|843
745111468|
|837
725106067|
|829
712102166|
|824
68294065|
|812
66890564|
|806
65286763|
|799
62680362|
|787
61477561|
|782
60174660|
|776
59072759|
|770
57669457|
|763
55264956|
|751
54563955|
|748
52960654|
|739
51458753120731
50256552119724
49555151119719
47753449118709
46150248117699
45148947117693
44447446116688
42746045115677
41543544115669
40142343114660
38840142114650
37539041113640
37038540112635
36238039111630
35136138111622
34635237110617
34134437110613
33133536109605
32332035109599
31131234108588
30130533107579
29329132106572
28528531105565
27627830105557
26927229104550
26126128103542
25825827102539
24925025101530
24524624100526
2402402399521
2372352399518
2292262298510
2242212197505
2172172096497
2112131995491
2062091894485
2032011794482
2001991693478
1961971592474
1911901492468
1871861391463
1851841291461
1831831190459
1801771089455
175174988449
170171787443
167168687439
165165586437
163162485434
160159384430
156154283425
154152182423
152150|
|82420
150149|
|81417
147147|
|80413
145146|
|79411
143144|
|79408
141142|
|78405
140141|
|77404
135135|
|75389
130130|
|72390
114120|
|67365
105110|
|62350
95100|
|56331
9095|
|52321
8185|
|41300
7680|
|37287

References

Further reading

  • ISO 18265: "Metallic materials — Conversion of hardness values" (2013)
  • ASTM E140-12B(2019)e1: "Standard Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, Scleroscope Hardness, and Leeb Hardness" (2019)

External links

  • [http://www.engineershandbook.com/Tables/hardness.htm Hardness Conversion Table – Brinell, Rockwell, Vickers – Various steels ]. [https://web.archive.org/web/20111113055336/http://www.engineershandbook.com/Tables/hardness.htm (Archived)] (archived November 11, 2011)
  • [http://www.engineersedge.com/hardness_conversion.htm Rockwell to Brinell conversion chart] (Brinell, Rockwell A, B, C)
  • [http://www.struers.com/default.asp?top_id=5&main_id=25&doc_id=344&target=_self&collapse=1 Struers hardness conversion table] (Vickers, Brinell, Rockwell B, C, D)

Category:Scientific comparisons