HRA, HRC, HV mõistete seletus
1 ， HRA puurimisbit on 120+-0,5 ° teemantkooniline keha, ülemine kumerus on 0,2+-0,002 mm ja koormus 60 kg.
2 ， HRC puuribit
3 ， HV diagonaalpind 136 ° neljasimese püramiidi teemantpuuribiti, kõvadusväärtus on konkreetne rõhk taandumisüksuse piirkonnale, koormus on 50/100 grammi jõud, taandusala on mitu UM, väärtus on kg/mm/mm
| HV | Hrc | Hra | HV | Hrc | Hra | HV | Hrc | Hra |
| 1700.0 | 80,5 | 92.5 | 528.0 | 51.0 | 76.0 | 31.0 | 66.0 | |
| 1600.0 | 80,0 | 92.0 | 513.0 | 50.0 | 76.0 | 301.0 | 30,0 | 66.0 |
| 1550.0 | 79,0 | 91.5 | 498.0 | 49,0 | 76.0 | 29,0 | 65,0 | |
| 1500.0 | 78.0 | 91.0 | 48.5 | 75,0 | 28.5 | 65,0 | ||
| 1450.0 | 77.0 | 90.5 | 485.0 | 48.0 | 75,0 | 285.0 | 28.0 | 65,0 |
| 1400.0 | 76.0 | 90.0 | 47,5 | 74,5 | 27.5 | 64,5 | ||
| 1350.0 | 75,0 | 89,5 | 471.0 | 47.0 | 74,0 | 27.0 | 64,0 | |
| 1300.0 | 74,0 | 89,0 | 458.0 | 46.0 | 73,5 | 26.5 | 64,0 | |
| 1250.0 | 73,0 | 88.5 | 45.0 | 73,0 | 271.0 | 26.0 | 64,0 | |
| 1200.0 | 72.0 | 88.0 | 446.0 | 44,5 | 73,0 | 25.5 | 63,5 | |
| 1150.0 | 71.5 | 87,5 | 435,0 | 44,0 | 73,0 | 25.0 | 63,0 | |
| 1140.0 | 71.0 | 87,0 | 43,5 | 72.5 | 24.5 | 63,0 | ||
| 1076.0 | 70.0 | 86,5 | 43,0 | 72.0 | 257,0 | 24.0 | 62.5 | |
| 1004,0 | 69,0 | 86.0 | 413.0 | 42.0 | 72.0 | 23.5 | 62.0 | |
| 942.0 | 68.0 | 85,8 | 41.5 | 71.5 | 23.0 | 62.0 | ||
| 894.0 | 67.0 | 85,0 | 41.0 | 71.0 | 22.5 | 62.0 | ||
| 854,0 | 66.0 | 84,5 | 40.5 | 70.5 | 22.0 | 62.0 | ||
| 820.0 | 65,0 | 84,0 | 393,0 | 40.0 | 70.5 | 21.5 | 61,5 | |
| 789.0 | 64,0 | 83,5 | 39,5 | 70.0 | 21.0 | 61.0 | ||
| 763,0 | 63,0 | 83,0 | 39,0 | 70.0 | 20.5 | 61.0 | ||
| 739,0 | 62.0 | 82,5 | 38.5 | 69,5 | 236.0 | 20.0 | 61.0 | |
| 716.0 | 61.0 | 82,0 | 373,0 | 38.0 | 69,0 | 223.0 | 19.5 | 60,5 |
| 695,0 | 60,0 | 81,5 | 37.5 | 69,0 | 217.0 | 19.0 | 60,0 | |
| 675.0 | 59,0 | 81.0 | 37.0 | 69,0 | 18.5 | 60,0 | ||
| 655.0 | 58.0 | 80,5 | 36.5 | 68.5 | 209.0 | 18.0 | 60,0 | |
| 636.0 | 57.0 | 80,0 | 353,0 | 36.0 | 68.0 | 205.0 | 60,0 | |
| 56,5 | 79.5 | 35.5 | 68.0 | 197.0 | 59,0 | |||
| 617.0 | 56.0 | 79,0 | 35.0 | 67,5 | 195.0 | 58.0 | ||
| 598.0 | 55,0 | 78.0 | 334,0 | 34.5 | 67.0 | 191.0 | 57,5 | |
| 580.0 | 54,0 | 78.0 | 34,0 | 67.0 | 186.0 | 56.0 | ||
| 562.0 | 53,0 | 78.0 | 33,5 | 67.0 | ||||
| 545.0 | 52.0 | 77.0 | 317.0 | 32.0 | 67.0 | |||
| 51,5 | 76.5 | 31.5 | 66.0 |
Postiaeg: 18. aprill 20124