This chart shows you the approximate hardness conversion numbers for steel. This chart is best seen in Internet Explorer. If the scrollable chart is not displayed below, please see the complete chart. A printable version of the chart is available.
BRINELL
ROCKWELL
Diamond Pyramid Hardness Number,
Vickers
Shore Scleroscope Hardness Number
Tensile Strength (Approx.) x 1000
psi.
Indentation Diameter, mm.
Hardness,
10 mm. Tungsten Carbide Ball 3000 kg. Load
C-Scale Hardness Number
B-Scale
100 kg. load, 1/16" Diameter Ball
*BHN above 495 are for carbide ball only
Note: Values shown in parentheses are beyond the normal
range and are for comparison only.
(These values shown are based on ASTM E10-93, E140-95 and ASM Reference Book, 3rd Ed.)
Disclaimer: Although the
information set forth herein is believed to be correct,
Scot Forge makes no recommendation, or offers no warranty
of any kind with respect to the subject matter or
its accuracy. Scot Forge specifically disclaims all
warranties, expressed, implied, or otherwise, including
without limitation, all warranties of merchantability,
fitness, or suitability for a particular purpose or
application.
Brinell Chart 