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Comparative chart of hardness

The comparative values are indicative.

Tensile 

strength

Hardness
Vickers Brinell Rockwell
N/mm2 HV HB HRB HRC HRA
255 80 76


270 85 80.7 41

285 90 85.5 48

305 95 90.2 52

320 100 95 56.2

335 105 99.8


350 110 105 62.3

370 115 109


385 120 114 66.7

400 125 119


415 130 124 71.2

430 135 128


450 140 133 75

465 145 138


480 150 143 78.7

495  155 147      
510  160 152 81.7    
530 165 156      
545 170 162 85    
560 175 166      
575 180 171 87.1    
595  185 176      
610 190 181 89.5    
625 195 185      
640 200 190 91.5    
660 205 195 92.5    
675 210 199 93.5    
690 215 204 94    
705 220 209 95    
720 225 214 96    
740 230 219 96.7    
755 235 223      
770 240 228 98.1 20.3 60.7
785 245 233   21.3 61.2
800 250 238 99.5 22.2 61.6
820 255 242 (101) 23.1 62
835 260 247   24 62.4
850 265 252 (102) 24.8 62.7
865 270 257   25.6 63.1
880 275 261 (104) 26.4 63.5
900 280 268   27.1 63.8
915 285 271  (105)  27.8 64.2
930 290 276   28.5 64.5
950 295 280   29.2 64.8
965 300 285   29.8 65.2
995 310 295   31 65.8
1030 320 304   32.2 66.4
1060 330 314   33.3 67
1095 340 323   34.3 67.6
1125 350 333   35.5 68.1
1155 360 342   36.6 68.7
1190 370 352   37.7 69.2

Tensile 

strength

Hardness
Vickers Brinell Rockwell
N/mm2 HV HB HRB HRC HRA
1220 380 361   38.8 69.8
1255 390 371   39.8 70.3
1290 400 380   40.8 70.8
1320 410 390   41.8 71.4
1350 420 399   42.7 71.8
1385 430 409   43.6 72.3
1420 440 418   44.5 72.8
1455 450 428   45.3 73.3
1485 460 437   46.1 73.6
1520 470 447   46.9 74.1
1555 480 (465)   47.7 74.6
1595 490 (466)   48.4 74.9
1630 500 (475)   49.1 75.3
1665 510 (485)   49.8 75.7
1700 520 (494)   50.5 76.1
1740 530 (504)   51.1 76.4
1775 540 (513)   51.7 76.7
1810 550 (523)   52.3 77
1845 560 (532)   53 77.4
1880 570 (542)   53.6 77.8
1920 580 (551)   54.1 78
1955 590 (561)   54.7 78.4
1995 600 (570)   55.2 78.6
2030 610 (580)   55.7 78.9
2070 620 (589)   56.3 79.2
2105 630 (599)   56.8 79.5
2145 640 (608)   57.3 79.8
2180 650 (618)   57.8 80
  660     58.3 80.3
  670     58.8 80.6
  680     59.2 80.8
  690     59.7 81.1
  700     60.1 81.3
  720     61 81.8
  740     61.8 82.2
  760     62.5 82.6
  780     63.3 83
  800     64 83.4
  820     64.7 83.8
  840     65.3 84.1
  860     65.9 84.4
  880     66.4 84.7
  900     67 85
  920     67.5 85.3
  940     68 85.6
           
Brinell: calculated from HB = 0.95 HV
Reference: DIN 50150
Swiss Profile (M) Sdn Bhd | 2900, Tingkat Perusahaan 6B | Prai Free Industrial Zone, 13600 Prai, Penang, Malaysia | Phone +604 398 1111 | Fax. +604 398 1313 | Mail :
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