Техническая информация Sumitomo - страница 26
Навигация
Каталог Sumitomo пластины с алмазными вставками Sumidia
Общий каталог Sumitomo 2019 - 2020
Каталог Sumitomo токарные резцы (державки) для наружного точения
Каталог Sumitomo твердосплавные пластины
Каталог Sumitomo фрезы со сменными пластинами
Каталог Sumitomo пластины с режущей кромкой-моноалмаз Sumicristal 
■ Hardness Scale Comparison Chart
- Approximate Corresponding Values for Steel Hardness on the Brinell Scale
Rockwell Hardness Rockwell Hardness
Brinell Vickers Shore Brinell Vickers Shore
A B C D Traverse A B C D Traverse
Hardness Hardness
| Scale | Scale | Scale | Scale | Hardness Hardness | Rupture | Scale | Scale | Scale | Scale | Hardness Hardness | Rupture | ||
| 3,000kgf | 60kgf | 100kgf | 150kgf | 100kgf | Strength | 3,000kgf | 60kgf | 100kgf | 150kgf | 100kgf | Strength |
50kgf 50kgf
brale 1/10in brale brale （ ） brale 1/10in brale brale （ ）
GPa GPa Ball Ball
HB HRA HRB HRC HRD HV HS HB HRA HRB HRC HRD HV HS
- 85.6
- 68.0 76.9 940 97
- 321 67.5 (108.0) 34.3 50.1 339 47 1.06
- 85.3
- 67.5 76.5 920 96
- 311 66.9 (107.5) 33.1 50.0 328 46 1.03
- 85.0
- 67.0 76.1 900 95
- 302 66.3 (107.0) 32.1 49.3 319 45 1.01
| 767 | 84.7 | 66.4 | 75.7 | 880 | 93 | 293 | 65.7 | (106.0) | 30.9 | 48.3 | 309 | 43 | 0.97 | ||
| 757 | 84.4 | 65.9 | 75.3 | 860 | 92 | 285 | 65.3 | (105.5) | 29.9 | 47.6 | 301 | 0.95 | |||
| 745 | 84.1 | 65.3 | 74.8 | 840 | 91 | 277 | 64.6 | (104.5) | 28.8 | 46.7 | 292 | 41 | 0.92 | ||
| 733 | 83.8 | 64.7 | 74.3 | 820 | 90 | 269 | 64.1 | (104.0) | 27.6 | 45.9 | 284 | 40 | 0.89 | ||
| 722 | 83.4 | 64.0 | 73.8 | 800 | 88 | 262 | 63.6 | (103.0) | 26.6 | 45.0 | 276 | 39 | 0.87 | ||
| 712 | 255 | 63.0 | (102.0) | 25.4 | 44.2 | 269 | 38 | 0.84 | |||||||
| 710 | 83.0 | 63.3 | 73.3 | 780 | 87 | 248 | 62.5 | (101.0) | 24.2 | 43.2 | 261 | 37 | 0.82 | ||
| 698 | 82.6 | 62.5 | 72.6 | 760 | 86 | 241 | 61.8 | 100.0 | 22.8 | 42.0 | 253 | 36 | 0.80 | ||
| 684 | 82.2 | 61.8 | 72.1 | 740 | 235 | 61.4 | 99.0 | 21.7 | 41.4 | 247 | 35 | 0.78 | |||
| 682 | 82.2 | 61.7 | 72.0 | 737 | 84 | 229 | 60.8 | 98.2 | 20.5 | 40.5 | 241 | 34 | 0.76 | ||
| 670 | 81.8 | 61.0 | 71.5 | 720 | 83 | 223 | 97.3 | (18.8) | 234 | ||||||
| 656 | 81.3 | 60.1 | 70.8 | 700 | 217 | 96.4 | (17.5) | 228 | 33 | 0.73 | |||||
| 653 | 81.2 | 60.0 | 70.7 | 697 | 81 | 212 | 95.5 | (16.0) | 222 | 0.71 | |||||
| 647 | 81.1 | 59.7 | 70.5 | 690 | 207 | 94.6 | (15.2) | 218 | 32 | 0.69 | |||||
| 638 | 80.8 | 59.2 | 70.1 | 680 | 80 | 201 | 93.8 | (13.8) | 212 | 31 | 0.68 | ||||
| 630 | 80.6 | 58.8 | 69.8 | 670 | 197 | 92.8 | (12.7) | 207 | 30 | 0.66 | |||||
| 627 | 80.5 | 58.7 | 69.7 | 667 | 79 | 192 | 91.9 | (11.5) | 202 | 29 | 0.64 | ||||
| 601 | 79.8 | 57.3 | 68.7 | 640 | 77 | 187 | 90.7 | (10.0) | 196 | 0.62 | |||||
| 578 | 79.1 | 56.0 | 67.7 | 615 | 75 | 183 | 90.0 | (9.0) | 192 | 28 | 0.62 | ||||
| 555 | 78.4 | 54.7 | 66.7 | 591 | 73 | 2.06 | 179 | 89.0 | (8.0) | 188 | 27 | 0.60 | |||
| 534 | 77.8 | 53.5 | 65.8 | 569 | 71 | 1.98 | 174 | 87.8 | (6.4) | 182 | 0.59 | ||||
| 514 | 76.9 | 52.1 | 64.7 | 547 | 70 | 1.89 | 170 | 86.8 | (5.4) | 178 | 26 | 0.57 | |||
| 495 | 76.3 | 51.0 | 63.8 | 528 | 68 | 1.82 | 167 | 86.0 | (4.4) | 175 | 0.56 | ||||
| 477 | 75.6 | 49.6 | 62.7 | 508 | 66 | 1.73 | 163 | 85.0 | (3.3) | 171 | 25 | 0.55 | |||
| 461 | 74.9 | 48.5 | 61.7 | 491 | 65 | 1.67 | 156 | 82.9 | (0.9) | 163 | 0.52 | ||||
| 444 | 74.2 | 47.1 | 60.8 | 472 | 63 | 1.59 | 149 | 80.8 | 156 | 23 | 0.50 | ||||
| 429 | 73.4 | 45.7 | 59.7 | 455 | 61 | 1.51 | 143 | 78.7 | 150 | 22 | 0.49 | ||||
| 415 | 72.8 | 44.5 | 58.8 | 440 | 59 | 1.46 | 137 | 76.4 | 143 | 21 | 0.46 | ||||
| N 401 | 72.0 | 43.1 | 57.8 | 425 | 58 | 1.39 | 131 | 74.0 | 137 | 0.45 | |||||
| 388 | 71.4 | 41.8 | 56.8 | 410 | 56 | 1.33 | 126 | 72.0 | 132 | 20 | 0.43 | ||||
| 375 | 70.6 | 40.4 | 55.7 | 396 | 54 | 1.26 | 121 | 69.8 | 127 | 19 | 0.41 | ||||
| 363 | 70.0 | 39.1 | 54.6 | 383 | 52 | 1.22 | 116 | 67.6 | 122 | 18 | 0.40 | ||||
| 352 | 69.3 | (110.0) | 37.9 | 53.8 | 372 | 51 | 1.18 | 111 | 65.7 | 117 | 15 | 0.38 | |||
| 341 | 68.7 | (109.0) | 36.6 | 52.8 | 360 | 50 | 1.13 | 1) Figures within the ( ) are not commonly used |
2) Rockwell A, C and D scales utilise a diamond brale
331 68.1 (108.5) 35.5 51.9 350 48 1.10 3) This chart was taken from the JIS Iron and Steel Handbook (1980)