Hom hardness piv rooj
May 05, 2021| Hom hardness piv rooj
Feem ntau siv HV=HB=HRC hardness piv cov lus
Hardness sib piv cov lus ntawm cov hlau nquag nquag (lub zog kwv yees hloov dua siab tshiab) | ||||
·chav kawm ntawm hardness | lub zog ntawm txuas ntxiv N / hli2 | |||
Rockwell | Vickers | Brinell | ||
HRC | HRA | HV | HB | |
17 | — | 211 | 211 | 710 |
17.5 | — | 214 | 214 | 715 |
18 | — | 216 | 216 | 725 |
18.5 | — | 218 | 218 | 730 |
19 | — | 221 | 220 | 735 |
19.5 | — | 223 | 222 | 745 |
20 | — | 226 | 225 | 750 |
20.5 | — | 229 | 227 | 760 |
21 | — | 231 | 229 | 765 |
21.5 | — | 234 | 232 | 775 |
22 | — | 237 | 234 | 785 |
22.5 | — | 240 | 237 | 790 |
23 | — | 243 | 240 | 800 |
23.5 | — | 246 | 242 | 810 |
24 | — | 249 | 245 | 820 |
24.5 | — | 252 | 248 | 830 |
25 | — | 255 | 251 | 835 |
25.5 | — | 258 | 254 | 850 |
26 | — | 261 | 257 | 860 |
26.5 | — | 264 | 260 | 870 |
27 | — | 268 | 263 | 880 |
27.5 | — | 271 | 266 | 890 |
28 | — | 274 | 269 | 900 |
28.5 | — | 278 | 273 | 910 |
29 | — | 281 | 276 | 920 |
29.5 | — | 285 | 280 | 935 |
30 | — | 289 | 283 | 950 |
30.5 | — | 292 | 287 | 960 |
31 | — | 296 | 291 | 970 |
31.5 | — | 300 | 294 | 980 |
32 | — | 304 | 298 | 995 |
32.5 | — | 308 | 302 | 1010 |
33 | — | 312 | 306 | 1020 |
33.5 | — | 316 | 310 | 1035 |
34 | — | 320 | 314 | 1050 |
34.5 | — | 324 | 318 | 1065 |
35 | — | 329 | 323 | 1080 |
35.5 | — | 333 | 327 | 1095 |
36 | — | 338 | 332 | 1110 |
36.5 | — | 342 | 336 | 1125 |
37 | — | 347 | 341 | 1140 |
37.5 | — | 352 | 345 | 1160 |
38 | — | 357 | 350 | 1175 |
38.5 | — | 362 | 355 | 1190 |
39 | 70 | 367 | 360 | 1210 |
39.5 | 70.3 | 372 | 365 | 1225 |
40 | 70.8 | 382 | 375 | 1260 |
40.5 | 70.5 | 377 | 370 | 1245 |
41 | 71.1 | 388 | 380 | 1280 |
41.5 | 71.3 | 393 | 385 | 1300 |
42 | 71.6 | 399 | 391 | 1320 |
42.5 | 71.8 | 405 | 396 | 1340 |
43 | 72.1 | 411 | 401 | 1360 |
43.5 | 72.4 | 417 | 407 | 1385 |
44 | 72.6 | 423 | 413 | 1405 |
44.5 | 72.9 | 429 | 418 | 1430 |
45 | 73.2 | 436 | 424 | 1450 |
45.5 | 73.4 | 443 | 430 | 1475 |
46 | 73.7 | 449 | 436 | 1500 |
46.5 | 73.9 | 456 | 442 | 1525 |
47 | 74.2 | 463 | 449 | 1550 |
47.5 | 74.5 | 470 | 455 | 1575 |
48 | 74.7 | 478 | 461 | 1605 |
48.5 | 75 | 485 | 468 | 1630 |
49 | 75.3 | 493 | 474 | 1660 |
49.5 | 75.5 | 501 | 481 | 1690 |
50 | 75.8 | 509 | 488 | 1720 |
50.5 | 76.1 | 517 | 494 | 1750 |
51 | 76.3 | 525 | 501 | 1780 |
51.5 | 76.6 | 534 | — | 1815 |
52 | 76.9 | 543 | — | 1850 |
52.5 | 77.1 | 551 | — | 1885 |
53 | 77.4 | 561 | — | 1920 |
53.5 | 77.7 | 570 | — | 1955 |
54 | 77.9 | 579 | — | 1995 |
54.5 | 78.2 | 589 | — | 2035 |
55 | 78.5 | 599 | — | 2075 |
55.5 | 78.7 | 609 | — | 2115 |
56 | 79 | 620 | — | 2160 |
56.5 | 79.3 | 631 | — | 2205 |
57 | 79.5 | 642 | — | 2250 |
57.5 | 79.8 | 653 | — | 2295 |
58 | 80.1 | 664 | — | 2345 |
58.5 | 80.3 | 676 | — | 2395 |
59 | 80.6 | 688 | — | 2450 |
59.5 | 80.9 | 700 | — | 2500 |
60 | 81.2 | 713 | — | 2555 |
60.5 | 81.4 | 726 | — | — |
61 | 81.7 | 739 | — | — |
61.5 | 82 | 752 | — | — |
62 | 82.2 | 766 | — | — |
62.5 | 82.5 | 780 | — | — |
63 | 82.8 | 795 | — | — |
63.5 | 83.1 | 810 | — | — |
64 | 83.3 | 825 | — | — |
64.5 | 83.6 | 840 | — | — |
65 | 83.9 | 856 | — | — |
65.5 | 84.1 | 872 | — | — |
66 | 84.4 | 889 | — | — |
66.5 | 84.7 | 906 | — | — |
67 | 85 | 923 | — | — |
67.5 | 85.2 | 941 | — | — |
68 | 85.5 | 959 | — | — |
68.5 | 85.8 | 978 | — | — |
69 | 86.1 | 997 | — | — |
69.5 | 86.3 | 1017 | — | — |
70 | 86.6 | 1037 | — | — |
IKS PVD tuam txhab, txheej txheej tshuab zoo nkauj, cuab yeej txheej tshuab, kho qhov muag txheej tshuab, PVD nqus plua plav txheej kab, txoj haujlwm ua haujlwm tseem ceeb muaj. Hu rau peb tam sim no, E-mail: iks.pvd@foxmail.com