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Brinell Hardness (HB), 10mm Ball, Load:3000kgf |
Vickers Hardness (HV)rs |
Rockwell Hardness (3) | Shore Hardness (HS) |
Tensile Strength (Approx.) MPa (2) |
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---|---|---|---|---|---|---|---|---|
Standard Ball |
Tungsten Carbide Ball |
A Scale, Load:60kgf, Diamond Point (HRA) |
B Scale, Load: 100kgf, 1/16"Ball (HRB) |
C Scale, Load: 150kgf, Diamond Point (HRC) |
D Scale, Load:100kgf, Diamond Point (HRD) |
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─ ─ ─ ─ ─ |
─ ─ ─ (767) (757) |
940 920 900 880 860 |
85.6 85.3 85.0 84.7 84.4 |
─ ─ ─ ─ ─ |
68.0 67.5 67.0 66.4 65.9 |
76.9 76.5 76.1 75.7 75.3 |
97 96 95 93 92 |
─ ─ ─ ─ ─ |
─ ─ ─ ─ ─ ─ |
(745) (733) (722) (712) (710) (698) |
840 820 800 ─ 780 760 |
84.1 83.8 83.4 ─ 83.0 82.6 |
─ ─ ─ ─ ─ ─ |
65.3 64.7 64.0 ─ 63.3 62.5 |
74.8 74.3 73.8 ─ 73.3 72.6 |
91 90 88 ─ 87 86 |
─ ─ ─ ─ ─ ─ |
─ ─ ─ ─ ─ |
(684) (682) (670) (656) (653) |
740 737 720 700 697 |
82.2 82.2 81.8 81.3 81.2 |
─ ─ ─ ─ ─ |
61.8 61.7 61.0 60.1 60.0 |
72.1 72.0 71.5 70.8 70.7 |
─ 84 83 ─ 81 |
─ ─ ─ ─ ─ |
─ ─ ─ ─ |
(647) (638) 630 627 |
690 680 670 667 |
81.1 80.8 80.6 80.5 |
─ ─ ─ ─ |
59.7 59.2 58.8 58.7 |
70.5 70.1 69.8 69.7 |
─ 80 ─ 79 |
─ ─ ─ ─ |
─ ─ |
─ 601 |
677 640 |
80.7 79.8 |
─ ─ |
59.1 57.3 |
70.0 68.7 |
─ 77 |
─ ─ |
─ ─ |
─ 578 |
640 615 |
79.8 79.1 |
─ ─ |
57.3 56.0 |
68.7 67.7 |
─ 75 |
─ ─ |
─ ─ |
─ 555 |
607 591 |
78.8 78.4 |
─ ─ |
55.6 54.7 |
67.4 66.7 |
─ 73 |
─ 2055 |
─ ─ |
─ 534 |
579 569 |
78.0 77.8 |
─ ─ |
54.0 53.5 |
66.1 65.8 |
─ 71 |
2015 1985 |
─ ─ |
─ 514 |
533 547 |
77.1 76.9 |
─ ─ |
52.5 52.1 |
65.0 64.7 |
─ 70 |
1915 1890 |
(495) ─ |
─ ─ 495 |
539 530 528 |
76.7 76.4 76.3 |
─ ─ ─ |
51.6 51.1 51.0 |
64.3 63.9 63.8 |
─ ─ 68 |
1855 1825 1820 |
(477) ─ |
─ ─ 477 |
516 508 508 |
75.9 75.6 75.6 |
─ ─ ─ |
50.3 49.6 49.6 |
63.2 62.7 62.7 |
─ ─ 66 |
1780 1740 1740 |
(461) ─ |
─ ─ 461 |
495 491 491 |
75.1 74.9 74.9 |
─ ─ ─ |
48.8 48.5 48.5 |
61.9 61.7 61.7 |
─ ─ 65 |
1680 1670 1670 |
444 ─ ─ |
─ ─ 444 |
474 472 472 |
74.3 74.2 74.2 |
─ ─ ─ |
47.2 47.1 47.1 |
61.0 60.8 60.8 |
─ ─ 63 |
1595 1585 1585 |
429 415 401 388 375 |
429 415 401 388 375 |
455 440 425 410 396 |
73.4 72.8 72.0 71.4 70.6 |
─ ─ ─ ─ ─ |
45.7 44.5 43.1 41.8 40.4 |
59.7 58.8 57.8 56.8 55.7 |
61 59 58 56 54 |
1510 1460 1390 1330 1270 |
363 352 341 331 321 |
363 352 341 331 321 |
383 372 360 350 339 |
70.0 69.3 68.7 68.1 67.5 |
─ (110.0) (109.0) (108.5) (108.0) |
39.1 37.9 36.6 35.5 34.3 |
54.6 53.8 52.8 51.9 51.0 |
52 51 50 48 47 |
1220 1180 1130 1095 1060 |
331 302 293 285 277 |
331 302 293 285 277 |
328 319 309 301 292 |
66.9 66.3 65.7 65.3 64.6 |
(107.5) (107.0) (106.0) (105.5) (104.5) |
33.1 32.1 30.9 29.9 28.8 |
50.0 49.3 48.3 47.6 46.7 |
46 45 43 ─ 41 |
1025 1005 970 950 925 |
269 262 255 248 241 |
269 262 255 248 241 |
284 276 269 261 253 |
64.1 63.6 63.0 62.5 61.8 |
(104.0) (103.0) (102.0) (101.0) 100 |
27.6 26.6 25.4 24.2 22.8 |
45.9 45.0 44.2 43.2 42.0 |
40 39 38 37 36 |
895 875 850 825 800 |
235 229 223 217 212 |
235 229 223 217 212 |
247 241 234 228 222 |
61.4 60.8 ─ ─ ─ |
99.0 98.2 97.3 96.4 95.5 |
21.7 20.5 (18.8) (17.5) (16.0) |
41.4 40.5 ─ ─ ─ |
35 34 ─ 33 ─ |
785 765 ─ 725 705 |
207 201 197 192 187 |
207 201 197 192 187 |
218 212 207 202 196 |
─ ─ ─ ─ ─ |
94.6 93.8 92.8 91.9 90.7 |
(15.2) (13.8) (12.7) (11.5) (10.0) |
─ ─ ─ ─ ─ |
32 31 30 29 ─ |
690 675 655 640 620 |
183 179 174 170 167 |
183 179 174 170 167 |
192 188 182 178 175 |
─ ─ ─ ─ ─ |
90.0 89.0 87.8 86.8 86.0 |
(9.0) (8.0) (6.4) (5.4) (4.4) |
─ ─ ─ ─ ─ |
28 27 ─ 26 ─ |
615 600 585 570 560 |
163 156 149 143 137 |
163 156 149 143 137 |
171 163 156 150 143 |
─ ─ ─ ─ ─ |
85.0 82.9 80.8 78.7 76.4 |
(3.3) (0.9) ─ ─ ─ |
─ ─ ─ ─ ─ |
25 ─ 23 22 21 |
545 525 505 490 460 |
131 126 121 116 111 |
131 126 121 116 111 |
137 132 127 122 117 |
─ ─ ─ ─ ─ |
74.0 72.0 69.8 67.6 65.7 |
─ ─ ─ ─ ─ |
─ ─ ─ ─ ─ |
─ 20 19 18 15 |
450 435 415 400 385 |