Общий каталог PRECITOOL - страница 20
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Hardness values | Formulas
Material hardness value comparison table
1
| Tensile strength | Hardness Brinell | Hardness Vickers | Hardness Rockwell | Tensile strength | Hardness Brinell | Hardness Vickers | Hardness Rockwell |
| 255 N/mm2 | 76 HB | 80 HV | — | 1,155 N/mm2 | 342 HB | 360 HV | 36,6 HRC |
| 285N/mm2 | 85HB | 90HV | — | 1,220N/mm2 | 361 HB | 380HV | 38,8HRC |
| 320N/mm2 | 95HB | 100HV | — | 1,290N/mm2 | 380HB | 400HV | 40,8HRC |
| 350N/mm2 | 105HB | 110HV | — | 1,350N/mm2 | 399HB | 420HV | 42,7 HRC |
| 385N/mm2 | 110HB | 120HV | — | 1,420N/mm2 | 418HB | 440HV | 44,5HRC |
| 415N/mm2 | 124 HB | 130HV | — | 1,485N/mm2 | 437 HB | 460HV | 46,1 HRC |
| 450N/mm2 | 133HB | 140HV | — | 1,555N/mm2 | 456HB | 480HV | 47,7 HRC |
| 480N/mm2 | 143HB | 150HV | — | 1,595N/mm2 | 466HB | 490HV | 48,4 HRC |
| 510N/mm2 | 152 HB | 160HV | — | 1,665N/mm2 | 485HB | 510HV | 49,8HRC |
| 545N/mm2 | 162 HB | 170HV | — | 1,740N/mm2 | 504 HB | 530HV | 51,1 HRC |
| 575N/mm2 | 171 HB | 180HV | — | 1,810N/mm2 | 523HB | 550HV | 52,3HRC |
| 610N/mm2 | 181 HB | 190HV | — | 1,880N/mm2 | 542 HB | 570HV | 53,6HRC |
| 640N/mm2 | 190HB | 200HV | — | 1,955N/mm2 | 561 HB | 590HV | 54,7 HRC |
| 675N/mm2 | 199HB | 210HV | — | 2,030N/mm2 | 580HB | 610HV | 55,7 HRC |
| 705N/mm2 | 209HB | 220HV | — | 3,105N/mm2 | 599HB | 630HV | 56,8HRC |
| 740N/mm2 | 219HB | 230HV | — | 2,180N/mm2 | 618HB | 650HV | 57,8HRC |
| 770N/mm2 | 228HB | 240HV | 20,3HRC | — | 636HB | 670HV | 58,8HRC |
| 800N/mm2 | 238HB | 250HV | 22,2 HRC | — | — | 690HV | 59,7 HRC |
| 835N/mm2 | 247 HB | 260HV | 24,0HRC | — | — | 720HV | 61,0HRC |
| 865N/mm2 | 257 HB | 270HV | 25,6HRC | — | — | 760HV | 62,5HRC |
| 900N/mm2 | 266HB | 280HV | 27,1 HRC | — | — | 800HV | 64,0HRC |
| 930N/mm2 | 276HB | 290HV | 28,5HRC | — | — | 840HV | 65,3HRC |
| 965N/mm2 | 285HB | 300HV | 29,8HRC | — | — | 880HV | 66,4 HRC |
| 1,030N/mm2 | 304 HB | 320HV | 32,2 HRC | — | — | 920HV | 67,5HRC |
| 1,095 N/mm2 | 324 HB | 340 HV | 34,4 HRC | — | — | — | — |
Cutting speed m / min. Spindle speed U / min. Table feed mm / min.
p u d u n u 1.000
| V = | C n = VC | V = n u z u f | |
| 1,000C | p d | Z f | |
| u | |||
| C | |||
| The brands of PRECITOOLV = cutting speed m / min.n = Spindle speed / rotations min.V = Table feed mm / min. | |||
| n = revolutions / min.C | V = cutting speed m / min. | n = revolutions / min.f | |
| d = diameter mm | dC = diameter mm | z = number of teeth | |
| C | C | f = feed mm / tooth |
Z Product information The brands of PRECITOOL Drilling tools
Top quality
Premium quality Industrial quality
for the most demanding
for serial production for the price-conscious
user
a selected assortment with
| tools of the top class | a cross-application | an attuned assortment | ||
| assortment with the highest | in good quality and with | |||
| the specialists in the | quality and availability | reasonable prices |
particular application
Tools with an
outstanding price-performance ratio
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