Hardness Conversion Chart

The Hardness conversion chart is used to test hard surfaced material where the other test methods like castings cannot be used. The hardness is measured by loading the test material with a hardened steel of 3000 kg. The Brinell and Rockwell conversion table is the difference between the mild load to the major load applied on the surface of the material for a period of time. The tensile strength of Brinell and Rockwell hardness can be measured using steel hardness conversion table.

Brinell and Rockwell Conversion Table | Steel Hardness Conversion Table

Hardness Conversion Table

Brinell
Hardness
Rockwell Hardness Tensile
Strength
A Scale B Scale C Scale
3000KG Ball 60KG 100KG 150KG (Approx.)
400 72.0 43.1 202,000
388 71.4 41.8 195,000
375 70.6 40.4 188,000
363 70.0 39.1 182,000
352 69.3 110.0 37.9 176,000
341 68.7 109.0 36.6 170,000
331 68.1 108.5 35.5 166,000
321 67.5 108.0 34.3 160,000
311 66.9 107.5 33.1 155,000
302 66.3 107.0 32.1 150,000
293 65.7 106.0 30.9 145,000
285 65.3 105.5 29.9 141,000
277 64.6 104.5 28.8 137,000
269 64.1 104.0 27.6 133,000
262 63.6 103.0 26.6 129,000
255 63.0 102.0 25.4 126,000
248 62.5 101.0 24.2 122,000
241 61.8 100.0 22.8 118,000
235 61.4 99.0 21.7 115,000
229 60.8 98.2 20.5 111,000
223 97.3 18.8 109,000
217 96.4 17.5 105,000
212 95.5 16.8 102,000
207 94.6 15.2 100,000
201 93.8 13.5 98,000
197 92.8 12.7 95,000
192 91.9 11.5 93,000
187 90.7 10.0 90,000
183 90.0 9.0 89,000
179 89.0 8.0 88,000
174 87.8 6.4 86,000
170 86.8 5.4 84,000
167 86.0 4.4 83,000
163 85.0 3.3 82,000
156 82.9 80,000
149 80.8 73,000
143 78.7 71,000
137 76.4 67,000
131 74.0 65,000
126 72.0 63,000
121 69.8 60,000
116 67.6 58,000
111 65.7 56,000

The Steel hardness conversion table provides a detailed list of Brinell and Rockwell hardness. The tensile strength can be found easily by the hardness conversion chart. The Brinell and Rockwell conversion table provides different scales and its tensile strength.


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