Comparative Hardness scales

(Gold Hardness Range - 14K, 18K, PT 95)

swipe to interact & see more.

Rockwall Hardness
Number		Brinell Hardness
Number 10mm Ball		14K14K18K18KPt 95
CBVickers3000Kgf500KgfYWYWRu 5
41-402381------
40-392371------
39-382362------
38(110.0)372353------
37(109.0)363344------
36(108.5)354336----50% CW-
35(108.0)345327--50% CW-50% CW-
34(107.5)336319--50% CW-50% CW-
33(107.0)327311--50% CW-50% CW-
32(106.5)318301-- 50% CW-50% CW-
31(106.0)310294--50% CW---
30(105.5)302286--50% CW---
29(104.5)294279--50% CW---
28(104.0)286271------
27(104.0)279264------
26(103.0)272258------
25(102.0)266253-50% CW----
24(101.0)260247-50% CW----
23100.024024020150% CW-50% CWAmealed-
2299.023423419550% CW-50% CWAmealed-
2198.022822818950% CW-50% CWAmealed-
2097.022222218450% CW-50% CWAmealed-
(18.0)96.0216216179--50% CWAmealed-
(16.0)95.0210210175--50% CWAmealed-
-94.0205205171-----
-93.0200200167----50% CW
-92.0195195163----50% CW
-91.0190190160----50% CW
-90.0185185157-----
-89.0180180154-----
-88176176151-----
-87172172148-----
-86169169145-Amealed---
-85165165142- Amealed---
-84162162140- Amealed---
-83159159137- Amealed---
-82156156135- Amealed---
-81153153133- Amealed---
-80150150130- Amealed---
-79147147128- Amealed---
-78144144126Amealed Amealed---
-77141141124 AmealedAmealed---
-77139139122 Amealed Amealed---
-75137137120Amealed AmealedAmealed--
-74135135118 Amealed AmealedAmealed--
-73132132116 Amealed-Amealed--
-72130130114 Amealed-Amealed--
-71127127112 Amealed-Amealed-Amealed
-70125125110 Amealed-Amealed-Amealed
-69123123109 Amealed-Amealed-Amealed
-68121121107 Amealed-Amealed--
-67119119106-----
-66117117104-----
-65116116102-----
-64114114101-----
-6311211299-----
-6211011098-----
-6110810896-----
-6010710795-----
-5910610694-----

feel free to message us if you have any questions. We are happy to assist.