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Úvod > Tipy > Převod tvrdosti materiálů

Převod tvrdosti materiálů

LEGENDA

HRA - Rockwell, 60kg diamantový kužel
HRB - Rockwell, 100kg 1/16" ocelová kulička
HRC - Rockwell, 150kg diamantový kužel
HB_1 - Brinell, 3000 kg, 10mm ocelová kulička
HB_2 - Brinell, 500 kg, 10mm ocelová kulička
HV - Vickers, diamantový jehlan

 

HRA HRB HRC HB_1 HB_2 HV Pevnost v tahu (Mpa)
86.5 --- 70 --- --- 1076 ---
86 --- 69 --- --- 1044 ---
85.6 --- 68 --- --- 940 ---
85 --- 67 --- --- 900 ---
84.5 --- 66 --- --- 865 ---
83.9 --- 65 739 --- 832 ---
83.4 --- 64 722 --- 800 ---
82.8 --- 63 705 --- 772 ---
82.3 --- 62 688 --- 746 ---
81.8 --- 61 670 --- 720 ---
81.2 --- 60 654 --- 697 2206.3
80.7 --- 59 634 --- 674 2137.3
80.1 --- 58 615 --- 653 2068.4
79.6 --- 57 595 --- 633 1999.4
79 --- 56 577 --- 613 1944.3
78.5 120 55 560 --- 595 1889.1
78 120 54 543 --- 577 1834.0
77.4 119 53 525 --- 560 1771.9
76.8 119 52 500 --- 544 1689.2
76.3 118 51 487 --- 528 1647.8
75.9 117 50 475 --- 513 1606.4
75.2 117 49 464 --- 498 1565.1
74.7 116 48 451 --- 484 1523.7
74.1 116 47 442 --- 471 1496.1
73.6 115 46 432 --- 458 1461.6
73.1 115 45 421 --- 446 1420.3
72.5 114 44 409 --- 434 1378.9
72 113 43 400 --- 423 1351.3
71.5 113 42 390 --- 412 1316.8
70.9 112 41 381 --- 402 1289.3
70.4 112 40 371 --- 392 1254.8
69.9 111 39 362 --- 382 1220.3
69.4 110 38 353 --- 372 1192.7
68.9 110 37 344 --- 363 1165.2
68.4 109 36 336 --- 354 1137.6
67.9 109 35 327 --- 345 1103.1
67.4 108 34 319 --- 336 1075.5
66.8 108 33 311 --- 327 1048.0
66.3 107 32 301 --- 318 1013.5
65.8 106 31 294 --- 310 992.8
65.3 105 30 286 --- 302 965.2
64.7 104 29 279 --- 294 944.5
64.3 104 28 271 --- 286 917.0
63.8 103 27 264 --- 279 889.4
63.3 103 26 258 --- 272 868.7
62.8 102 25 253 --- 266 854.9
62.4 121 24 247 --- 260 834.2
62 100 23 240 201 254 813.5
61.5 99 22 234 195 248 792.8
61 98 21 228 189 243 772.2
60.5 97 20 222 184 238 751.5
59 96 18 216 179 230 730.8
58 95 16 210 175 222 710.1
57.5 94 15 205 171 213 689.4
57 93 13 200 167 208 675.6
56.5 92 12 195 163 204 661.8
56 91 10 190 160 196 641.2
55.5 90 9 185 157 192 627.4
55 89 8 180 154 188 606.7
54 88 7 176 151 184 592.9
53.5 87 6 172 148 180 579.1
53 86 5 169 145 176 572.2
52.5 85 4 165 142 173 558.4
52 84 3 162 140 170 544.6
51 83 2 159 137 166 537.7
50.5 82 1 156 135 163 524.0
50 81 0 153 133 160 517.1
49.5 80 --- 150 130 --- 503.3
49 79 --- 147 128 --- ---
48.5 78 --- 144 126 --- ---
48 77 --- 141 124 --- ---
47 76 --- 139 122 --- ---
46.5 75 --- 137 120 --- ---
46 74 --- 135 118 --- ---
45.5 73 --- 132 116 --- ---
45 72 --- 130 114 --- ---
44.5 71 --- 127 112 --- ---
44 70 --- 125 110 --- ---
43.5 69 --- 123 109 --- ---
43 68 --- 121 107 --- ---
42.5 67 --- 119 106 --- ---
42 66 --- 117 104 --- ---
41.8 65 --- 116 102 --- ---
41.5 64 --- 114 101 --- ---
41 63 --- 112 99 --- ---
40.5 62 --- 110 98 --- ---
40 61 --- 108 96 --- ---
39.5 60 --- 107 95 --- ---
39 59 --- 106 94 --- ---
38.5 58 --- 104 92 --- ---
38 57 --- 102 91 --- ---
37.8 56 --- 101 90 --- ---
37.5 55 --- 99 89 --- ---