硬度对照表

 Brinell (布氏) 3000 kgf Vickers Hardness (硬度) HV 940 900 865 832 800 10 mm Ball (球) HB --- --- --- 739 722 Rockwell C (洛氏C) 150 kgf Diamond (钻石) HRC 68 67 66 65 硬度换算表 (以HRC硬度为基准) 1—前桥教育 Rockwell Hardness Rockwell Superficial Hardness (洛氏硬度) (罗克韦尔表面硬度) Rockwell A Rockwell B Rockwell D (洛氏A) (洛氏B) (洛氏D) 60 kgf Diamond (钻石) HRA 100 kgf 1//16\" ball (1//16球) HRB --- --- --- --- --- 100 kgf Diamond (钻石) HRD Approximate Rockwell C 近似 (洛氏C) Tensile 15 kgf 30 kgf 45 kgf 150 kgf (拉伸) 1/16\" ball 1/16\" ball 1/16\" ball Strength Diamond (1/16球) (1/16球) (1/16球) (强度) (钻石) HR15N HR30N HR45N ksi (MPa) HRC --- 68 --- 67 --- 66 --- 65 --- 63 62 61 60 59 772 746 720 697 674 705 688 670 6 634 --- --- --- --- --- --- --- --- --- --- 63 62 61 60 59 58 57 56 55 58 57 56 55 653 633 613 595 577 615 595 577 560 3 --- --- --- --- --- --- --- --- 2075 2015 1950 1880 1820 1760 1695 53 52 51 50 49 560 4 528 513 498 525 512 496 481 469 --- --- --- --- --- 53 52 51 50 49 硬度换算表 (以HRC硬度为基准) 2前桥教育

Brinell (布氏) 3000 kgf Vickers Hardness (硬度) HV 484 471 458 446 434 10 mm Ball (球) HB 455 443 432 421 409 Rockwell C (洛氏C) 150 kgf Diamond (钻石) HRC 48 47 46 45 44 Rockwell Hardness (洛氏硬度) Rockwell A Rockwell B Rockwell D (洛氏A) (洛氏B) (洛氏D) 60 kgf Diamond (钻石) HRA Rockwell Superficial Hardness (罗克韦尔表面硬度) 100 kgf 1//16\" ball (1//16球) HRB --- --- --- --- --- 100 kgf Diamond (钻石) HRD Approximate Rockwell C 近似 (洛氏C) Tensile 15 kgf 30 kgf 45 kgf 150 kgf (拉伸) 1/16\" ball 1/16\" ball 1/16\" ball Strength Diamond (1/16球) (1/16球) (1/16球) (强度) (钻石) HR15N HR30N HR45N ksi (MPa) HRC 1635 48 1580 47 1530 46 1480 45 1435 44 43 42 41 40 39 423 412 402 392 382 400 390 381 371 362 --- --- --- --- --- 1385 1340 1295 1250 1215 43 42 41 40 39 38 37 36 35 34 38 37 36 35 34 372 363 3 345 336 353 344 336 327 319 --- --- 51,5 1180 1160 1115 1080 1055 1025 1000 980 950 930 33 32 31 30 29 327 318 310 302 294 311 301 294 286 279 33 32 31 30 29 硬度换算表 (以HRC硬度为基准) 3

Brinell (布氏) 3000 kgf Vickers Hardness (硬度) HV 286 279 272 266 260 10 mm Ball (球) HB 271 2 258 253 247 Rockwell C (洛氏C) 150 kgf Diamond (钻石) HRC 28 27 26 25 24 Rockwell Hardness (洛氏硬度) Rockwell A Rockwell B Rockwell D (洛氏A) (洛氏B) (洛氏D) 60 kgf Diamond (钻石) HRA Rockwell Superficial Hardness (罗克韦尔表面硬度) 100 kgf 1//16\" ball (1//16球) HRB 100 kgf Diamond (钻石) HRD 15 kgf 30 kgf 45 kgf 1/16\" ball 1/16\" ball 1/16\" ball (1/16球) (1/16球) (1/16球) HR15N HR30N HR45N Approximate 近似 Tensile (拉伸) Strength (强度) ksi (MPa) 910 28 880 27 860 26 840 25 825 24 23 22 21 20 (18) 2 248 243 238 230 243 237 231 226 219 --- --- --- --- --- 805 785 770 760 730 23 22 21 20 (18) (16) (14) (12) (10) (8) (16) (14) (12) (10) (8) 222 213 204 196 188 212 203 194 187 179 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- (6) (4) (2) (0) 180 173 166 160 171 165 158 152 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- 705 675 650 620 600 580 550 530 510 (6) (4) (2) (0) 42CrMo：材料采用调质工艺一般840淬火，620～680之间回火，硬度控制在261～304HB