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Home News Data Sheet>Hardness and Tensile Strength of Steels:

Date: 2019-12-18      Category：Data Sheet     Views：731

Hardness Conversion Table
Brinell Hardness Rockwell Hardness  
Tungsten Carbide Ball 3000 KG A Scale 60 kg B Scale 100 kg C Scale 150 kg Tensile Stength (approx.)
– 86 – 68 –
– 85 – 68 –
– 85 – 67 –
767 85 – 66 –
757 84 – 66 –
745 84 – 65 –
733 84 – 65 –
722 83 – 64 –
712 83 – 64 –
710 83 – 63 –
698 83 – 62 –
684 82 – 62 –
682 82 – 62 –
670 82 – 61 –
656 81 – 60 –
653 81 – 60 –
647 81 – 60 –
638 81 – 59 329,000
630 81 – 59 324,000
627 80 – 59 323,000
601 80 – 57 309,000
578 79 – 56 297,000
555 78 – 55 285,000
534 78 – 54 274,000
514 77 – 52 263,000
495 76 – 51 253,000
477 76 – 50 243,000
461 75 – 48 235,000
444 74 – 47 225,000
429 73 – 46 217,000
415 73 – 44 210,000
401 72 – 43 202,000
388 71 – 42 195,000
375 71 – 40 188,000
363 70 – 39 182,000
352 69 – 38 176,000
341 69 – 37 170,000
331 68 – 36 166,000
321 68 – 34 160,000
311 67 – 33 155,000
302 66 – 32 150,000
293 66 – 31 145,000
285 65 – 30 141,000
277 65 – 29 137,000
269 64 – 28 133,000
262 64 – 27 129,000
255 63 – 25 126,000
248 62 – 24 122,000
241 62 100 23 118,000
235 61 99 22 115,000
229 61 98 20 111,000
223 – 97 20 –
217 – 96 18 105,000
212 – 96 17 102,000
207 – 95 16 100,000
201 – 94 15 98,000
197 – 93 – 95,000
192 – 92 – 93,000
187 – 91 – 90,000
183 – 90 – 89,000
179 – 89 – 87,000
174 – 88 – 85,000
170 – 87 – 83,000
167 – 86 – 81,000
163 – 85 – 79,000
156 – 83 – 76,000
149 – 81 – 73,000
143 – 79 – 71,000
137 – 76 – 67,000
131 – 74 – 65,000
126 – 72 – 63,000
121 – 70 – 60,000
116 – 68 – 58,000
111 – 66 – 56,000

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